2010
Journal Publications
A. L. Chakraborty, K. Ruxton and W. Johnstone, "Influence of the wavelength-dependence of fiber couplers on the background signal in wavelength modulation spectroscopy with RAM-nulling", Optics Express, Vol. 18, No. 1, pp267-280, January 2010. DOI: 10.1364/OE.18.000267
Conference Publications
2009
Journal Publications
L. Li, J. Gomes, G. Brown, D. Uttamchandani, W. Pan, D. Weiland, M. Begbie, C. Lowrie and M.P.Y. Desmulliez, "Simultaneous determination of the Young’s modulus and Poisson’s ratio in micro/nano materials", Accepted for publication in Journal of Micromechanics and Microengineering.
L. Li and D. Uttamchandani, “A microwave dielectric biosensor based on suspended distributed MEMS transmission lines”, IEEE Sensors Journal, Vol. 9, No. 12, pp1825-1830, December 2009. DOI: 10.1109/JSEN.2009.2031388
A. McGettrick, W. Johnstone, R. Cunningham and J. Black, “Tunable diode laser spectroscopy: calibration free measurements of gas composition at elevated temperature and pressure”, IEEE Journal of Lightwave Technology, Vol. 27, No. 15, pp3150-3161, August 2009, DOI: 10.1109/JLT.2008.2008729
L. Li and D. Uttamchandani, “Dynamic response modelling and characterization of a vertical electrothermal actuator”, Journal of Micromechanics and Microengineering, Vol. 19, No. 075014, July 2009. DOI:10.1088/0960-1317/19/7/075014
S. Poland, J.M. Girkin, L. Li and D. Uttamchandani, “External linearization of a MEMS electrothermal scanner with application in a confocal microscope”, Micro & Nano Letters, Vol. 4, No. 2, pp106-111, June 2009. DOI: 10.1049/mnl.2009.0018
A. L. Chakraborty, K. Ruxton, W. Johnstone, M. Lengden and K. Duffin, "Elimination of residual amplitude modulation in tunable diode laser wavelength modulation spectroscopy using an optical fiber delay line", Optics Express, Vol. 17, No. 12, pp9602-9607, June 2009. DOI: 10.1364/OE.17.009602
L. Li, F. Vilela, J. Forgie, P.J. Skabara and D. Uttamchandani, “A miniature humidity microsensor based on organic conductive polymer –poly (3,4-ethylenedioxythiophene)”, Micro & Nano Letters, Vol. 4, No. 2, pp84-87, June 2009. DOI: 10.1049/mnl.2009.0005
M. A. Mirza and G. Stewart, “Multi-wavelength operation of erbium-doped fibre lasers by periodic filtering and phase modulation”, IEEE Journal of Lightwave Technology, Vol. 27, No. 8, pp1034-1044, April 2009. DOI: 10.1109/JLT.2008.2009160
L. Li and D. Uttamchandani, “Flip-chip distributed MEMS transmission lines (DMTL) for biosensing applications”, accepted for publication in IEEE Transactions on Industrial Electronics, Vol. 56, No. 4, pp986-990, April 2009. DOI: 10.1109/TIE.2008.2003204
L. Li and D. Uttamchandani, “Demonstration of a tunable RF MEMS band-pass filter using silicon foundry process”, Journal of Electromagnetic Waves and Applications, Vol. 23, pp405-413, 2009. DOI: 10.1163/156939309787604355
L. Li and D. Uttamchandani, “Design and implementation of a MEMS Cockcroft-Walton Voltage multiplier”, Electronics Letters, Vol. 45, No. 1, pp36-37, 2009. DOI: 10.1049/el:2009276
Conference Publications
L. Li, L. Li, V. Stankovic, L. Stankovic and D. Uttamchandani, “Single pixel camera using MEMS scanners”, the 35th Annual Conference of IEEE Industrial Electronics Society (IECON 2009), Porto, Portugal, November 2009.
L. Li, M. Mirza, V. Stankovic, L. Li, L. Stankovic, D. Uttamchandani and S. Cheng, “Optical imaging with scanning MEMS micromirror – a single photodetector approach”, 2009 IEEE International Conference on Imaging Processing, Cairo, Egypt, November 7-11 2009.
N. Arsad and G. Stewart, "Intracavity spectroscopy using amplified spontaneous emission in erbium fibre lasers", Twentieth Conference on Optical Fibre Sensors, Edinburgh, UK, 5-9 October 2009. DOI: 10.1117/12.834330
K. Ruxton, A.L. Chakraborty, A.J. McGettrick, K. Duffin, W. Johnstone and G. Stewart, "Recent advance in tunable diode-laser spectroscopy with background RAM nulling for industrial applications", Twentieth Conference on Optical Fibre Sensors, Edinburgh, UK, 5-9 October 2009. DOI: 10.1117/12.833000
D. Mitchell, K. Duffin and W. Johnstone, "Remote methane sensor using tuneable diode laser spectroscopy (TDLS) via a 1W Raman source", Twentieth Conference on Optical Fibre Sensors, Edinburgh, UK, 5-9 October 2009. DOI: 10.1117/12.835810
G.M.H. Flockhart, M. McGuire, G. Pierce, G. Thursby, G. Stewart, G. Hayward and B. Culshaw, "Direct monitoring of underwater ultrasonic transducers in the near-field using fibre Bragg grating sensors", Twentieth Conference on Optical Fibre Sensors, Edinburgh, UK, 5-9 October 2009. DOI: 10.1117/12.835468
A.L. Chakraborty, K. Ruxton and W. Johnstone, "Tunable diode laser spectroscopy with RAM nulling – current status and future possibilities", International Conference on Field Laser Applications in Industry and Research, Grainau, Germany, 6-11 September 2009.
J.R.P. Bain, G. Stewart, K. Duffin, M. Lengden, K. Ruxton and W. Johnstone, "Recovery of absolute gas absorption lineshapes using TDLS at arbitrary modulation indices", International Conference on Field Laser Applications in Industry and Research, Grainau, Germany, 6-11 September 2009.
D. Mitchell, W. Johnstone and K. Duffin, "Remote methane sensor using TDLS via a high power Raman amplified source", International Conference on Field Laser Applications in Industry and Research 2009, Grainau, Germany, 6-11 September.
M. Lengden, J.R.P. Bain, I. Armstrong and W. Johnstone "Two gas spectrometers for the investigation of gas absorption parameters at elevated temperatures and pressures", International Conference on Field Laser Applications in Industry and Research, Grainau, Germany, 6-11 September 2009.
M. Lengden, W. Johnstone, J.R.P. Bain, G. Stewart and I. Armstrong, “Preliminary gas composition investigations at elevated temperatures and pressures using calibration-free TDLS with the residual amplitude modulation technique”, 7th International Conference on Tunable Diode Laser Spectroscopy (TDLS), Zermatt, Switzerland, 13-17 July 2009.
I. Armstrong, A. Chakraborty, K. Ruxton, and W. Johnstone, “An investigation of TDLS modulation schemes as applied to the Mid-IR spectral region by difference frequency generation in PPLN”, 7th International Conference on Tunable Diode Laser Spectroscopy (TDLS), Zermatt, Switzerland, 13-17 July 2009.
D. Mitchell, K. Duffin and W. Johnstone, “Remote methane sensor using Raman amplified open path TDLS”, 7th International Conference on Tunable Diode Laser Spectroscopy (TDLS), Zermatt, Switzerland, 13-17 July 2009.
K. Ruxton, A. L. Chakraborty, A. J. McGettrick, K. Duffin, W. Johnstone and G. Stewart, “Diode laser spectroscopy using a calibration free phasor decomposition approach with RAM nulling”, 7th International Conference on Tunable Diode Laser Spectroscopy (TDLS), Zermatt, Switzerland, 13-17 July 2009.
J Gomas, G Brown, S Poland, L Li, W Lubeight, D Burns, V Stankovic, D Uttamchandani, “Integrated 2-axis MEMS scanners for optical applications”, EMRS DTC Technical Conference, Edinburgh, July 2009.
A. L. Chakraborty, K. Ruxton, W. Johnstone, M. Lengden and K. Duffin, “Elimination of residual amplitude modulation in TDLS-WMS”, Conference on Lasers and Electro-Optics/ European Quantum Electronics Conference (CLEO Europe/EQEC-2009), Munich, Germany, 14-19 June 2009.
M. McGuire, G. M. H. Flockhart, S. G. Pierce, G. Thursby, G. Stewart, B. Culshaw and G. Hayward, “Monitoring of Sonar Transducers and Arrays using Optical Sensors”, U.S. Navy Workshop on Acoustic Transduction Materials and Devices, State College, PA, USA, May 2009.
D. Mitchell, K. Duffin and W. Johnstone, "Remote tuneable diode laser spectroscopy (TDLS) via a 1W Raman source (Proceedings Paper)", SPIE Optical Sensors 2009, Prague, Czech Republic, April 2009. DOI: 10.1117/12.820567
M. McGuire, G. Hayward, S. G. Pierce and G. M. H. Flockhart, “Intelligent Transducers – For Generation of Bat Echolocation Signals”, Fifth International Conference on Bio-Acoustics, Institute of Acoustics, UK, April 2009.
D Weiland, C. Lowrie, G. brown, S. Ray, A. Chaehoi, L. Li, M. Begbie, D. Uttamchandani, and M.P.Y. Desmulliez, “Passive test structures for characterization of SOI/MEMS process”, MME, France, 2009.
G. Thursby, B. Culshaw, G. Pierce, A. Cleary, C. McKee and I. Veres, “CW laser generated ultrasound techniques for microstructure material properties evaluation”, SPIE Smart Sensor Phenomena, Technology, Networks, and Systems 2009, San Diego, USA, March 2009. DOI: 10.1117/12.816362
S Poland, L Li, D Uttamchandani, JM Girkin, “A confocal micro-imaging system incorporating a thermally actuated two axis MEMS scanner”, Proceedings of the Society of Photo-optical Instrumentation Engineers (SPIE), vol. 7172, SPIE Photonics West, San Jose, USA, 25th January 2009.
N. Arsad and G Stewart, "Stable, tunable and single-mode operation of an erbium-doped fibre laser system using a saturable absorber for gas spectroscopy applications", SPIE Photonics West, Fiber Lasers VI: Technology, Systems, and Applications, San Jose, USA, January 2009. DOI: 10.1117/12.808157
M. A. Mirza and G. Stewart, “Design of a gain-controlled tuneable comb filter for multi-wavelength fibre lasers”, 6th International Bhurban Conference on Applied Sciences and Technology (IBCAST), Islamabad, Pakistan, 19-22 January 2009.
2008
Journal Publications
G. Thursby, D.C. Betz And B. Culshaw, “Multifunctional Fibre Optic Sensors for Monitoring Strain And Ultrasound”, Fatigue & Fracture of Engineering Materials & Structures, Vol. 31, No. 8, pp660–673, October 2008. DOI: 10.1111/j.1460-2695.2008.01250.x
M. A. Mirza and G. Stewart, “Theory and design of a simple tunable Sagnac loop filter for multi-wavelength fiber lasers”, Applied Optics, Vol. 47, No. 29, pp5242-5252, October 2008. DOI: 10.1364/AO.47.005242
K. Duffin, W. Johnstone, A. McGettrick, D. Moodie, G. Stewart, G. Thursby and B. Culshaw, "Chemical Sensor Networks for Gas Detection and Environmental Monitoring", Invited paper in Current Analytical Chemistry, Vol. 4, No. 4, pp391-402, October 2008. DOI: 10.2174/157341108785914853
L. Li and D. Uttamchandani, “MEMS microwave device with switchable capacitive and inductive states”, Micro & Nano Letters, Vol. 3, No. 3, pp77-81, September 2008. DOI: 10.1049/mnl:20080020
W. Johnstone, A. J. McGettrick, K. Duffin, A. Cheung and G. Stewart, “Tunable diode laser spectroscopy for industrial process applications: system characterization in conventional and new approaches", IEEE Sensors Journal, Vol. 8, No. 7, pp1079-1088, July 2008. DOI: 10.1109/JSEN.2008.926168
B. Culshaw, G. Thursby D.C. Betz and B. Sorazu, “The Detection of Ultrasound using Fibre Optic Sensors”, IEEE Sensors Journal, Vol 8, No 7, pp1360-67 , July 2008. DOI: 10.1109/JSEN.2008.927240
A. J. McGettrick, K. Duffin, W. Johnstone, G. Stewart and D. G. Moodie, “Tunable diode laser spectroscopy with wavelength modulation: a phasor decomposition method for calibration-free measurements of gas concentration and pressure”, IEEE Journal of Lightwave Technology, Vol. 26, No. 4, pp432-440, February 2008. DOI: 10.1109/JLT.2007.912519
Conference Publications
W. Johnstone, K. Duffin and. D Mitchell, “Remote gas detection using tunable diode laser spectroscopy with high power rare earth and Raman fibre amplifiers” Invited Paper, Photonics 2008, New Delhi, India, December 2008.
A Chaehoi, D. Weiland, R. Adamson, M. Begbie, C. Lowrie, M. Desmulliez, G. Brown, L. Li, D. Uttamchandani, “Design of an integrated monolithic 3-axis piezoresistive accelerometer on SOI”, ESSDERC&ESSCIRC 2008, Edinburgh, September 2008.
L. Li, D Uttamchandani, “A Microelectromechanical System (MEMS) tuneable cassegrain lens”, EUROSENSORS XXII, Germany, September 2008.
B. Culshaw, B. Sorazu, S.G. Pierce, C. Mckee and G. Thursby, “Laser Ultrasound for Non Contact Characterisation of the Mechanical Properties of Materials”, LU2008 Montreal, July 2008.
Y. Botsev, E. Arad, M. Tur, I. Kressel S. Gali, G. Thursby and B. Culshaw, “Using fiber Bragg gratings to measure Lamb waves in an anisotropic composite plate”, OFS-19 Melbourne, April 2008.
G. Thursby, B. Culshaw, Y. Botsev, E. Arad, R. Zeyde, M. Tur and I. Kresse, “The use of fibre Bragg gratings to detect ultrasound in anisotropic materials”, SPIE symposium Smart Structures and NDE, SPIE vol 6933, San Diego, March 2008.
L Li, D Uttamchandani, “Design and Simulation of Modified 1-D Electrostatic Torsional Micromirrors with z-axis Displacement”, PIERS, Hangzhou, China, 24-28 March 2008.
D Uttamchandani, L Li, “Design and Characterization of a Radio Frequency MEMS Inductor Using Silicon MEMS Foundry Process”, PIERS, Hangzhou, China, 24-28 March 2008.
L Li, and D Uttamchandani, “A Concept of Moving Dielectrophoresis Electrodes Based on Microelectromechanical Systems (MEMS) Actuators”, PIERS, Hangzhou, China, 24-28 March 2008.
G. Stewart, N. Arsad, W. Johnstone and K. Duffin, Invited oral presentation: "Tunable fibre laser spectroscopy in the near-IR for measurement of gas parameters", SPIE Photonics Europe International Symposium, Strasbourg, France, 7-11 April 2008. DOI: 10.1117/12.779976
W. Johnstone, A. McGettrick, K. Duffin and G. Stewart, “Calibration free, optical measurements of gas composition for industrial process control in harsh environments”, Invited paper for The Fifth International Conference on Condition Monitoring and Machinery Failure Prevention Technologies, July 2008, Edinburgh, UK.
A. McGettrick, W. Johnstone, K. Duffin and G. Stewart, “Calibration free gas composition measurements for industrial process control using a phasor decomposition approach to tunable diode laser spectroscopy”, Photon 08, August 2008, Edinburgh, UK.
2007
Journal Publications
D.C. Betz, G. Thursby, B. Culshaw and W. Staszewski, “Locating Structural Damage Using Lamb Waves and Fibre Bragg Grating Rosettes”, Journal of Structural Health Monitoring, Vol. 6, pp299-308, December 2007. DOI: 10.1177/1475921707081974
K. Duffin, A. J. McGettrick, W. Johnstone, G. Stewart and D. Moodie, “Tunable Diode Laser Spectroscopy with Wavelength Modulation: a Calibration-Free Approach to the Recovery of Absolute Gas Absorption Line-Shapes”, IEEE Journal of Lightwave Technology, Vol. 25, No. 10, pp3114-3125, October 2007. DOI: 10.1109/JLT.2007.904937
Li, L., Begbie, M., Brown, J.G. and Uttamchandani, D.G., "Design, simulation and characterization of a MEMS optical scanner", Journal of Micromechanics and Microengineering, Vol. 17, pp. 1781-1787, August 2007. DOI: 10.1088/0960-1317/17/9/005
G. Stewart, G. Whitenett, S. Sridaran and V. Karthik, "Investigation of the Dynamic Response of Erbium Fibre Lasers With Potential Application for Sensors", IEEE Journal of Lightwave Technology, Vol 25, No7, July 2007, pp 1786-96. DOI: 10.1109/JLT.2007.899192
Li, L., Begbie, M. and Uttamchandani, D.G., "Single input, dual-output MEMS DC/DC scanner", Electronics Letters, Vol. 43, No. 15, pp809-810, July 2007. DOI: 10.1049/el:20070887
Jenkins, C.R., Brown, J.G., Li, L., Johnstone, W. and Uttamchandani, D.G., "MEMS retro-phase-modulator for free space coherent optical communications", IEEE Journal of Selected Topics in Quantum Electronics, Vol. 13, No. 2, pp330-335, April 2007. DOI: 10.1109/JSTQE.2007.892076
Conference Publications
W. Johnstone, K. Duffin, A. McGettrick and G. Stewart, “An alternative approach to wavelength modulation spectroscopy for absolute measurements of gas parameters in industrial processes”, SPIE Optics East 2007, September 2007, Boston, USA. DOI: 10.1117/12.731769
K. Duffin, W. Johnstone, A. J. McGettrick and G. Stewart, “Tunable Diode Laser Spectroscopy for Industrial Process Applications”, FLAIR 2007, September 2007, Florence, Italy.
M A Mirza and G Stewart, "Design of a multi-wavelength fibre laser using an intra-cavity phase modulator and Sagnac loop filter for sensor applications", Proc SPIE Vol 6619: Third European Workshop on Optical Fibre Sensors (EWOFS 2007) Napoli, Italy, 4-6 July 2007. DOI: 10.1117/12.738637
K. Duffin, A. J. McGettrick, W. Johnstone and G. Stewart, “Tunable Diode Laser Spectroscopy for Industrial Process Applications”, European Workshop on Optical Fibre Sensors 2007, July 2007, Napoli, Italy. DOI: 10.1117/12.738641
A. Maclean, G. Thursby, H. Hogg and B. Culshaw, “Detection of structural damage in carbon fibre and metal structures using Lamb waves”, SPIE symposium Smart Structures and NDE, San Diego, March 2007.
B. Culshaw, G. Thursby, D. Betz and B. Soraju, “The Detection of Ultrasound using Fibre Optic Sensors”, Proc EWOFS2007 Naples, SPIE vol 6619, paper66192J.
2006
Journal Publications
Angeli, F., Brown, J.G., Connolly, P. and Uttamchandani, D.G., "Micromachined scaffolds as primers for cartilage cell growth", Micro and Nano Letters, vol. 1, no. 2, pp. 66-70, December 2006. DOI: 10.1049/mnl:20065039
L Li, and M Begbie, “A Design Approach to 2-D Electrostatic Torsional Micromirrors with Z-axis Displacement Compensation”, IEEE Photonics Technology Letters, Vol. 18, No. 22, pp2422-2424, November 2006. DOI: 10.1109/LPT.2006.886135
D.C. Betz, G. Thursby, B. Culshaw And W Staszewski, “Structural Damage Identification Using Multifunctional Bragg Grating Sensors - Part I: Theory And Implementation”, Journal Of Smart Materials And Structures, Vol. 15, No. 5, pp1305-1312, October 2006. DOI: 10.1088/0964-1726/15/5/020
D.C. Betz, W. Staszewski, G. Thursby And B. Culshaw, “Structural Damage Identification Using Multifunctional Bragg Grating Sensors - Part II: Damage Detection Results And Analysis”, Journal Of Smart Materials And Structures, Vol. 15, No. 5, pp1313-1322, October 2006. DOI: 10.1088/0964-1726/15/5/021
Li, L., Brown, J.G. and Uttamchandani, D.G., "Air damped microresonators with enhanced quality factor", IEEE Journal of Microelectromechanical Systems, Vol. 15, No. 4, pp822-831, August 2006. DOI: 10.1109/JMEMS.2006.879375
Li, L. and Uttamchandani, D.G., "Monolithic RF MEMS inductor using silicon MEMS foundry process", Micro & Nano Letters, Vol. 1, No. 1, pp5-8, July 2006. DOI: 10.1049/mnl:20065008
C Jenkins, G Brown, W Johnstone, D Uttamchandani, “MEMS Actuated Small Scale Retroreflectors for Free Space Optical Communications”, Journal of Optics A: Pure and Applied Optics Vol. 8, July 2006, pp S384-S390. DOI: 10.1088/1464-4258/8/7/S15
A Cheung, W Johnstone and D Moodie, “Gas detection based on optical correlation spectroscopy using a single light source”, J. Measurement Science and Technology, Vol. 17, No. 5, pp1107-1112, May 2006. DOI: 10.1088/0957-0233/17/5/S28
Z. Meng, G. Stewart, and G. Whitenett, "Stable single-mode operation of a narrow-linewidth, linear-polarization erbium fibre ring laser using a saturable absorber", IEEE Journal of Lightwave Technology, Vol.24, No 5, May 2006, pp 2179-2183. DOI: 10.1109/JLT.2006.872296
J. Marshall, G. Stewart and G. Whitenett, "Design of a tuneable L-Band multi-wavelength laser system for application to gas spectroscopy", IoP Measurement Science and Technology, Vol 17, April 2006, pp1023-1031. DOI: 10.1088/0957-0233/17/5/S15
L. Li and D. Uttamchandani, “Twin-bladed MEMS variable optical attenuator”, Optical Review, Vol. 13, No.2, March 2006, pp 93-100. DOI: 10.1007/s10043-006-0093-7
C. Massie, G. Stewart, G. McGregor and J. Gilchrist, "Design of a Portable Optical Sensor for Methane Gas Detection", Sensors & Actuators B113, Issue 2, February 2006, pp 830-836. DOI: 10.1016/j.snb.2005.03.105
D.C. Betz, G. Thursby, B. Culshaw and W. Staszewski, “Advanced Layout Of A Fibre Bragg Grating Strain Gauge Rosette”, Journal of Lightwave Technology, Vol. 24, No. 2, pp1019-1026, February 2006. DOI: 10.1109/JLT.2005.862442
D.C. Betz, G. Thursby, B. Culshaw And W. Staszewski, “Multifunctional Fibre Bragg Grating Sensors For Crack Detection In Metallic Structures”, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 220, No. 5, pp453-461, January 2006. DOI: 10.1243/09544100JAERO34
A. Unamuno and D. Uttamchandani, "MEMS Variable Optical Attenuator With Vernier Latching Mechanism", IEEE Photonics Technology Letters, Vol.18, No.1, January 2006, pp88–90. DOI: 10.1109/LPT.2005.860395
Conference Publications
W. Johnstone, K. Duffin, A. McGettrick and G. Stewart, “Recent Advances in Optical Gas Sensing for Industrial Process Monitoring”, Invited Paper at the International Conference Photonics 2006, December 2006, Hyderabad, India.
W. Johnstone, K. Duffin and A. McGettrick, “Recent Advances in Tunable Diode Laser Spectroscopy”, Invited Paper at the British Council International Workshop on Optical Fibre Systems, December 2006, New Delhi, India.
G. Stewart, G. Whitenett, B. Culshaw, S. Sridaran and V. Karthik, "Analysis of the Transient Response of Erbium Fibre Lasers And Application for Sensors", Optics East, 1-4 October 2006, Boston, Massachusetts, USA. Proceedings SPIE, Vol No, (Paper No 6371-23).
G. Thursby, B. Sorazu, and B. Culshaw, “Fibre Optic Sensors For Lamb Wave Detection”, 3rd European Workshop On Structural Health Monitoring, August 2006.
B. Sorazu, S. Atique, B. Culshaw and G. Thursby, “A Non-Contact Method Of Determining Material Properties And Structural Integrity Through The Analysis Of Laser Generated Ultrasound”, 3rd European Workshop On Structural Health Monitoring, August 2006.
Li, L., Brown, J.G. and Uttamchandani, D.G., "Elevated microresonators for investigating the effect of air damping", IET Seminar on MEMS Sensors and Actuators, pp. 253-256, April 2006.
2005
Journal Publications
Shi, L., Johnstone, W. and Andonovic, I., "Experimental demonstration of a coherent optical CDMA network employing DPSK transmission", IEE Proceedings J: Optoelectronics, Vol. 152, No. 6, December 2005, pp330-336. DOI: 10.1049/ip-opt:20045057
Shi, L., Johnstone, W. and Andonovic, I., "Analysis of coherent optical CDMA networks employing DPSK transmission", IEE Proceedings J: Optoelectronics, Vol. 152, No. 6, December 2005, pp321-329. DOI: 10.1049/ip-opt:20045056
C. Jenkins, W. Johnstone, D. Uttamchandani, V. Handerek and S. Radcliffe, “MEMS Actuated Spherical Retroreflector for Free Space Optical Communications”, IEE Electronics Letters, Vol.41, No.23, November 2005, pp1278-1279. DOI: 10.1049/el:20052449
Z. Meng, Y. Hu, S. Xiong, G. Stewart, G. Whitenett, and B. Culshaw, “Phase Noise Characteristics of unbalanced fibre optic interferometers powered by a diode-pumped Nd:YAG Laser”, Applied Optics, Vol 44, No 17, 10 June 2005, pp 3425-3428
Armstrong, I., Andonovic, I., Kelly, A., Bonthron, S., Bebbington, J., Michie, W.C., Tombling, C., Fasham, S. and Johnstone, W., "Hybridisation Platform Assembly and Demonstration of All Optical Wavelength Conversion at 10 Gb/s", IEEE Journal of Lightwave Technology, Vol. 23, No. 5, May 2005, pp1852-1859. DOI: 10.1109/JLT.2005.846900
A. Unamuno, J. Yao and D. Uttamchandani, "Alignment and Fixing of Fiber Optics based on Electrothermal MEMS Actuators", IEEE Photonics Technology Letters, Vol.17, No.4, 2005, April 2005, pp816–818. DOI: 10.1109/LPT.2005.844006
H.S. Park, G. Thursby and B. Culshaw, "Optical acoustic detector based on a fiber Fabry-Perot interferometer", Applied Optics, Vol. 44, pp489-492, February 2005. DOI: 10.1364/AO.44.000489
A. Unamuno and D. Uttamchandani, "Hybrid MOEMS Tunable Filter for Interrogation of Fiber Bragg Grating Sensors", IEEE Photonics Technology Letters, Vol.17, No.1, January 2005, pp202–204. DOI: 10.1109/LPT.2004.837746
J. Miller, W.S. Wilson, C. G. Wilson, D. Uttamchandani, "Minimally invasive, direct, real time measurement of drug concentration in the anterior eye", British Journal of Ophthalmology, Vol. 89, January 2005, pp1147-1151. DOI: 10.1136/bjo.2004.060780
Conference Publications
A. Cheung, B. Culshaw, K. Duffin, W. Johnstone, A. McGettrick and D. Moodie, “Gas Spectroscopy in the Near Infrared Optical Fibre Network”, Australasian Conference on Optics, Lasers and Spectroscopy, December 2005, Rotura, New Zealand.
D.C. Betz, G. Thursby, B. Sorazu, B. Culshaw and A. Syed, “Fibre Bragg Gratings as Arrays Detecting Ultrasound In Structural Assessment” (Invited Paper), ICOL'05 Dehradun, India, Dec 2005.
W. Johnstone, K. Duffin, A. McGettrick, G. Stewart, A. Cheung and D. Moodie, “Tunable Diode Laser Spectroscopy over Optical Fibres for Gas Measurements in Harsh Industrial Environments”, SPIE-COO, International Congress on Optics and Optoelectronics, 28 August – 2 September 2005, Warsaw, Poland. DOI: 10.1117/12.622820
C Jenkins, W Johnstone, D Uttamchandani, V Handerek* and S Radcliffe*, “Micro-Actuated Small-Scale Spherical Retroreflector for Free Space Optical Communications”, Proc. IEEE/LEOS International Conference on Optical MEMs and Their Applications, Oulu, Finland, Aug. 1–4, 2005. DOI: 10.1109/OMEMS.2005.1540127
K. Duffin, W. Johnstone, G. Stewart and D. Moodie, “Investigation into Tunable Diode Laser Spectroscopy for use in Harsh Industrial Environments”, 5th International Conference on Tunable Diode Laser Spectroscopy, July 2005, Florence, Italy.
A. Cheung, W. Johnstone and D. Moodie, "Detection of Acetylene Gas using Optical Correlation Spectroscopy", OFS 2005, 17th International Conference on Optical Fibre Sensors, 23–27 May 2005, Bruges, Belgium. DOI: 10.1117/12.623817
J. Marshall, G. Stewart, G. Whitenett and B. Culshaw, "Tunable L Band Multi-Wavelength Fibre Laser using Silicon Wafers", OFS 2005, 17th International Conference on Optical Fibre Sensors, 23–27 May 2005, Bruges, Belgium.
G. Stewart, V. Karthik and G. Whitenett, "Optical Fibre Sensors based on the Dynamic Response of Fibre Lasers", OFS 2005, 17th International Conference on Optical Fibre Sensors, 23–27 May 2005, Bruges, Belgium. DOI: 10.1117/12.624387
G. Thursby, B. Sorazu D. Betz and B. Culshaw, “Novel Methods Of Lamb Wave Detection For Material Damage Detection And Location”, 12th SPIE Conference On SMM And NDE, San Diego, March 2005.
G. Thursby, F. Dong, B. Culshaw, G. Massaro, B. Glisic and D. Inaudi, “An Improved Fibre Optic Strain Sensor For Gas Tank Monitoring With Rf Subcarrier Phase And I&Q Demodulation Techniques”, 12th SPIE Conference On SMM And NDE, San Diego, March 2005.
2004
Journal Publications
L. Li and D. Uttamchandani, “Modified Asymmetric Micro-Electro-Thermal Actuator: Thermal Optimization and Experimentation”, Journal of Micromechanics and Microengineering, Vol. 14, No. 12, December 2004, pp. 1734–1741. DOI: 10.1088/0960-1317/14/12/019
R. R. A. Syms, H. Zou, J. Yao, D. Uttamchandani and J. Stagg, "Scalable electrothermal MEMS actuator for optical fibre alignment", Journal of Micromechanics and Microengineering, Vol. 14, No 12, December 2004, pp. 1633–1639. DOI: 10.1088/0960-1317/14/12/006
G. Stewart, P. Shields, B. Culshaw, "Development of Fibre Laser Systems for Ring-Down and Intra-Cavity Gas Spectroscopy in the Near-IR", Measurement Science and Technology Vol. 15, August 2004, pp. 1621–1628. DOI: 10.1088/0957-0233%2F15%2F8%2F033
A. Unamuno, L. Li and D. Uttamchandani, "Fiber Bragg Grating Demodulator based on Hybrid Optical MEMS", IEEE Journal On Selected Topics In Quantum Electronics, Vol. 10, No. 3, June 2004, pp. 598–603. DOI: 10.1109/JSTQE.2004.830617
L. Li, G. Brown and D. Uttamchandani, “Flexing of Scratch Drive Actuator (SDA) Plates —Modelling and Experimentation”, IEE Science, Measurement and Technology, Vol. 151, No. 3, May 2004, pp. 137–141. DOI: 10.1049/ip-smt:20030883
Y. Zhang , M. Zhang , W. Jin , H. L. Ho , M. S. Demokan , X. H. Fang , B. Culshaw and G. Stewart, “Investigation of erbium-doped fibre laser intra-cavity absorption sensor for gas detection”, Optical Communications, Vol. 234, Issues 1-6, 15th April 2004, pp. 435–441. DOI: 10.1016/j.optcom.2004.02.046
G. Whitenett, G. Stewart, H. Yu and B. Culshaw, “Investigation of a Tunable Mode-Locked Fibre Laser for Application to Multi-Point Gas Spectroscopy”, IEEE Journal of Lightwave Technology, Vol. 22, No. 3, March 2004, pp. 813–819. DOI: 10.1109/JLT.2004.824530
J. Zawadzka, L. Li and D. Uttamchandani, “Characterization of Nanostepper Driven Optical Shutter for Applications in Free-Space Micro-Optics”, IEE Science, Measurement and Technology, Vol. 151, No. 2, March 2004, pp. 61–66. DOI: 10.1049/ip-smt:20040180
G. Stewart, K. Atherton and B. Culshaw, “Cavity Enhanced Spectroscopy in Fibre Cavities”, Optics Letters, Vol. 29, No. 5, March 2004, pp. 442–444. DOI: 10.1364/OL.29.000442
L. Li and D. Uttamchandani, “Design and Evaluation of a MEMS Optical Chopper for Fibre Optic Applications”, IEE Science, Measurement and Technology, Vol. 151, No. 2, March 2004, pp. 77–84. DOI: 10.1049/ip-smt:20040099
L. Li, J. Zawadzka, and D. Uttamchandani, “Integrated Self-Assembling and Holding Technique for 3-D Free-Space Optical MEMS Devices”, IEEE/ASME Journal of Microelectromechanical Systems (MEMS), Vol. 13, No. 1, February 2004, pp. 83–90. DOI: 10.1109/JMEMS.2003.823222
S. Atique, D.Betz, B. Culshaw, F. Dong, H. S. Park, G. Thursby and B. Sorazu, "Detecting Ultrasound Using Optical Fibres", Journal of Optics, 2004, Vol. 33, No. 4, Page 241-255
G. Thursby, B. Sorazu, D. Betz, W. Staszewski and B. Culshaw, "The Use of Fibre Optic Sensors for Damage Detection and Location in Structural Materials", Journal of Applied Mechanics and Materials, Vols. 1–2, 2004, pp. 191–196.
Conference Publications
V. Karthik and G. Stewart, "Experimental and Theoretical Investigation of Fiber Ring Laser Dynamics and Transient Analysis", Photonics 2004, 7th International Conference on Optoelectronics, Fibre Optics & Photonics, 9–11 December, 2004, Kochi, India.
G. Stewart, P. Shields and B. Culshaw, "Fibre Laser Systems for Intra-Cavity Gas Spectroscopy in the Near-IR", Photon '04, Optics and Photonics 2004, 6–9 September, Glasgow, 2004.
L. Li and D. Uttamchandani, “Design and Evaluation of a Dual-Shutter Optical Chopper for Fibre Optic Applications”, IEEE/LEOS Optical MEMS, 22–26 August. 2004, Taksmstsu, Japan, pp. 92–94.
R. R. A. Syms, H. Zou, J. Stagg, J. Yao and D. Uttamchandani, "Optical fibre aligner using deep-etched silicon electro-thermal actuator", Proc IEEE/LEOS Optical MEMS 2004, 22–26 August, 2004, Takamatsu, Japan, pp. 84–85.
A. Unamuno and D. Uttamchandani, "Fiber Bragg Grating Sensor Demodulation based on Hybrid MOEMS", IEEE/LEOS Optical MEMS 2004 International Conference on Optical MEMS and their applications, 22–26 August, 2004 , Takamatsu, Kagawa, Japan, pp. 74–75.
S. Atique, B. Culshaw, G. Thursby, F. Dong, B. Sorazu and H. Park, "Generation of Ultrasound for Material Testing using Low Power Diode Laser", 2nd European Workshop on Structural Health Monitoring, 7–9 July 2004, Munich, Germany, pp. 933–940.
A. Unamuno, L. Li, and D. Uttamchandani, "Hybrid Optical MEMS Demodulator for Optical Fiber Sensing", SPIE Vol 5502, Proceedings of Second European Workshop on Optical Fibre Sensors, 9–11 June, 2004, Santander, Spain, SPIE, Bellingham, WA 2004, pp. 398–401.
B. Sorazu, B. Culshaw, G. Pierce P. Jun and H. S. Park, "Optically Non-Contact Extraction of the Elastic Properties of Materials", SPIE Vol. 5502, Proceedings of Second European Workshop on Optical Fibre Sensors, 9–11 June, 2004, Santander, Spain, SPIE, Bellingham, WA 2004.
G. Stewart, G. Whitenett, J. Marshall and B. Culshaw, "Fibre Lasers for Near-IR Gas Spectroscopy", SPIE Vol 5502, Proceedings of Second European Workshop on Optical Fibre Sensors, 9–11 June, 2004, Santander, Spain, SPIE, Bellingham, WA 2004, pp. 329–333.
K. Duffin, "Gas Detection Using Open Path Micro-Optic Cells and Spectroscopic Techniques", PREP 2004, 5–7 April 2004, University of Hertfordshire, UK.
C. Jenkins, "Small-Scale Spherical Retrorefelctor for Free Space Optical Communications", PREP 2004, 5–7 April 2004, University of Hertfordshire, UK.
J. P. Marshall, "Design of Erbium Doped Fibre Amplifier and Laser Systems in the C- and L-Bands", PREP 2004, 5–7 April 2004, University of Hertfordshire, UK.
G. Thursby, B. Culshaw, B. Sorazu, S. Atique and F. Dong, "Non-Contact Material Evaluation for Characterization and Wear Detection using Laser-Generated Ultrasound and Interferometric Ultrasonic Detection", 11th International Symposium on Smart Structures and Materials SPIE, 14–18 March, 2004 San Diego, USA, pp. 296–304.
2003
Journal Publications
A. Maclean, C. Moran, W. Johnstone, B. Culshaw, D. Marsh and P. Parker, ”Detection of Hydrocarbon Fuel Spills using a Distributed Fibre Optic Sensor”, Sensors & Actuators: A. Physical, Vol. 109, No.1–2, December 2003, pp. 60–67. DOI: 10.1016/j.sna.2003.09.007
G. Whitenett, G. Stewart, K. Atherton, B. Culshaw and W. Johnstone, “Optical Fibre Instrumentation for Environmental Monitoring Applications”, IoP Journal of Optics A: Pure and Applied Optics Vol. 5, No. 5, September 2003, pp. S140–S145. DOI: 10.1088/1464-4258/5/5/355
A. MacLean, C. Moran, W. Johnstone, B. Culshaw, D. Marsh and P. Parker, “Detection of Solvents using a Distributed Fibre Optic Sensor”, Electronics letters, Vol. 39, No. 17, August 2003, pp. 1237–1238. DOI: 10.1049/el:20030838
B. Sorazu, G. Thursby, B. Culshaw, F. Dong, S. G. Pierce, Y. Yao and D. Betz, "Optical Generation and Detection of Ultrasounds", Strain, Vol. 39, 2003, August 2003, pp. 111–114. DOI: 10.1046/j.1475-1305.2003.00070.x
J. Miller, W. S. Wilson, W. K. Kek, G. G. Wilson, D. Uttamchandani, "Spectroscopic detection of a therapeutic drug in the mammalian eye", , IEEE Journal of Selected Topics in Quantum Electronics, 9(2), pp171-176, March/April 2003. DOI: 10.1109/JSTQE.2003.813315
J. Miller, W. S. Wilson, W. K. Kek, G. G. Wilson, D. Uttamchandani, "Drug detection in the living eye using a novel, minimally invasive optoelectronic system", IEEE Sensors Journal, Special Issue on Optical Fibre Sensors, 3(1), pp 95 -101, February 2003. DOI: 10.1109/JSEN.2003.810096
G. Stewart, B. Culshaw, W. Johnstone, G. Whitenett, K. Atherton and A. McLean, “Optical Fibre Sensors and Networks for Environmental Monitoring”, Management of Environmental Quality: An International Journal, Vol. 14, No. 2–3, 2003, pp. 181–190. DOI: 10.1108/14777830310470413
Conference Publications
G Stewart, G Whitenett, P Shields, J Marshall and B. Culshaw, “Design of Fibre Laser and Sensor Systems for Gas Spectroscopy In The Near-IR”, SPIE Photonics East, SPIE Vol 5272 "Industrial and Highway Sensors Technology", 28–30 October, 2003, Providence, Rhode Island, USA, pp172–180.
G. Stewart, P. Shields, K. Atherton and B. Culshaw, "Fibre Laser Systems For Intra-Cavity Gas Spectroscopy In The Near-IR", OFS 2003, 16th International Conference on Optical Fibre Sensors, ISBN 4-89114-036-4, 13–17 October, 2003, Nara, Japan, pp734–737.
G. Thursby, B. Sorazu, F. Dong, D. Betz and B. Culshaw, "Damage Detection in Structural Materials using a Polarimetric Fibre Optic Sensor", 10th Internacional symposium on Smart Structures and Materials SPIE, 2–6 March 2003 San Diego, USA.
2002
Journal Publications
L. Li, G. Brown and D. Uttamchandani, “Study of Scratch Drive Actuator Force Characteristics”, Journal of Micromechanics and Microengineering, Vol. 12, No. 6, November 2002, pp. 736–741. DOI: 10.1088/0960-1317/12/6/303
F. Angeli, A.C.J. Smith, S. Zairi, D. Uttamchandani and P. Connolly, "Study of bovine articular chondrocytes on thin film polycaprolactone surfaces", European Cells and Materials, Vol. 4. Suppl. 2, September 2002, p80.
J. Miller, C. G. Wilson, and D. Uttamchandani, "Minimally invasive spectroscopic system for intraocular drug detection", Journal of Biomedical Optics, 7(1) pp27-33, January 2002. DOI: 10.1117/1.1427045
Conference Publications
G. Stewart, G. Whitenett, K. Atherton, B. Culshaw and W. Johnstone, “Optical Fibre Sensors for Environmental Monitoring of Trace Gases”, ICO 19th Congress of the International Commission for Optics, Optics for the Quality of Life, 25–31 August 2002, Florence, Italy.
K. Atherton, G. Stewart and B. Culshaw, "Cavity Ring-Down in a Fibre Amplifier Loop with Configuration Wavelength Modulation Spectroscopy", OFS 2002, 15th International Conference on Optical Fibre Sensors, 6–10 May 2002, Portland, Oregon, USA.
G. Stewart, H. Yu, G. Whitenett and B. Culshaw, “A Mode-Locked Fibre Laser System for Multi-Point Intra-Cavity Gas Spectroscopy”, OFS 2002, 15th International Conference on Optical Fibre Sensors, 6–10 May 2002, Portland, Oregon, USA.
L. Li, G. Brown and D. Uttamchandani, “Comparison of Theoretical and Experimental Determination of the Flexing of Scratch Drive Actuator Plates”, Proceedings of the SPIE, Vol. 4928, Shanghai, 2002, pp. 180–189.
J. Zawadzka, L. Li, A. Unamuno and D. Uttamchandani, “Nano-Stepper Driven Optical Shutter for Applications in Free-Space Micro-Optics”, Proceedings of the SPIE, Vol. 4928, Shanghai, 2002, pp. 50–57.
L. Li and D. Uttamchandani, “Analysis of Microsprings for Calculating the Force Produced by Microactuators”, Proceedings of the SPIE, Vol. 4755, Cannes, 2002, pp. 394–402.
2001
Journal Publications
G. Stewart, K. Atherton, H. Yu and B. Culshaw, “Investigation of Optical Fibre Amplifier Loop for Intracavity and Ring Down Cavity Loss Measurements”, IoP Journal of Measurement Science and Technology, Vol. 12, No. 7, July 2001, pp. 843–849. DOI: 10.1088/0957-0233/12/7/316
Conference Publications
G. Stewart, B. Culshaw, W. Johnstone, K. Atherton, G. Whitenett and A. McLean, “Optical Fibre Sensors for Environmental Monitoring”, Environment, Health, Safety: A Challenge for Measurements. European Conference, UNESCO, 14–15 June 2001, Paris, France.
A. MacLean, C. Moran, W. Johnstone, B. Culshaw, D. Marsh and G. Andrews, “A Distributed Fibre Optic Sensor for Liquid Hydrocarbon Detection”, Sensory Phenomena and Measurement Instrumentation for Smart Structures & Materials, March 2001, Newport Beach California.
2000
Journal Publications
S. G. Pierce, A. MacLean and B. Culshaw, “Optical Frequency-Domain Reflectometry for Microbend Sensor Demodulation”, Applied Optics, Vol. 39, No.25, 2000, pp. 4569-4581.
Conference Publications
K. Atherton, H. Yu, G. Stewart and B. Culshaw, "Gas Detection with Fibre Amplifiers by Intra-Cavity and Cavity Ring-Down Absorption", Photonics 2000, International Conference on Fiber Optics and Photonics, 18–20 December 2000 Calcutta, India.
K. Atherton, G. Stewart and B. Culshaw, "Fibre Optic Intra Cavity Spectroscopy - Combined Ring Down and ICLAS Architectures using Fibre Lasers", SPIE International Symposium on Environmental and Industrial Sensing, 5–8 November 2000, Boston, Massachusetts USA.
A. MacLean, C. Moran, W. Johnstone, B. Culshaw, D. Marsh and G. Andrews, “Fibre Optic System for Distributed Detection of Liquid Hydrocarbons”, Fiber Optic Sensor Technology II, SPIE Environmental & Industrial Sensing, 5–8 November, Boston, MA, 2000.
A. MacLean, C. Moran, W. Johnstone, B. Culshaw. D. Marsh, V. Watson and G. Andrews, “A Distributed Fibre Optic Sensor for Hydrocarbon Detection”, OFS 2000, 14th International Conference on Optical Fiber Sensors,11–13 October 2000, Venice, Italy.
G. Stewart, K. Atherton and B. Culshaw, "Intra-Cavity and Ring-Down Cavity Absorption with Fibre Amplifiers for Trace Gas Detection", OFS 2000, 14th International Conference on Optical Fibre Sensors, 11–13 October 2000, Venice, Italy.
A. MacLean, C. Moran, W. Johnstone, B. Culshaw, D. Marsh, V. Watson and G. Andrews, “A Fibre Optic Sensor for the Detection of Hydrocarbon Fuel Spills”, OIL SPILL 2000, 20–22 September 2000, Las Palmas de Gran Canaria, Spain.
F. Dong, K. Atherton, S. G. Pierce, B. Culshaw, "Measurement of In-Plane and Out-of-Plane Displacements for Ultrasonic Flaw Detection", EOS/SPIE Symposium on Applied Photonics, 22–24 May 2000, Glasgow, Scotland, UK.
A. MacLean, C. Moran, G. Thursby, S. G. Pierce, B. Culshaw and N. B. Graham, “Distributed Fibre Optic Sensors for Humidity and Hydrocarbon Detection”, 7th Annual International Symposium on Smart Structures and Materials, 5–9 March 2000, Newport Beach, California.
S. G. Pierce, B. Culshaw, G. Manson, K. Worden and W. J. Staszewski, "The Application of Ultrasonic Lamb Wave Techniques to the Evaluation of Advanced Composite Structures", SPIE International Symposium on Smart Structures And Materials 2000: Sensory Phenomena And Measurement Instrumentation For Smart Structures And Materials, 5–9 March 2000, Newport Beach, California, USA.
C. I. Swift, S. G. Pierce and B. Culshaw, "Generation of an Ultrasonic Beam using Embedded Fibre Optic Delivery and Low Power Laser Sources", Proc. of SPIE Vol. 3986, 2000, pp. 20–25.