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Prof Kenneth Ledingham

Research Professor



Characterisation of permanent magnetic quadrupoles for focussing proton beams
Melone Joseph, Ledingham Kenneth, McCanny Thomas, Burriss-Mog T, Schramm Ulrich, Grötzschel R, Akhmadaliev S, Hanf D, Spohr Klaus M., Bussmann M, Cowan T, Wiggins Mark, Mitchell Martin
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Vol 676, pp. 126-134, (2012)
A mass spectrometric investigation of isomers of butane
Alic T. Y., Kilic H. S., Durmus H., Dogan M., Ledingham K. W. D.
Rapid Communications in Mass Spectrometry Vol 26, pp. 893-905, (2012)
Laser-driven particle and photon beams and some applications
Ledingham Kenneth, Galster Wilfried
New Journal of Physics Vol 12, (2010)
Study of photo-proton reactions driven by bremsstrahlung radiation of high-intensity laser generated electrons
Spohr K M, Shaw M, Galster W, Ledingham K W D, Robson L, Yang J M, McKenna P, McCanny T, Melone J J, Amthor K-U, Ewald F, Liesfeld B, Schwoerer H, Sauerbrey R
New Journal of Physics Vol 10, (2008)
Spectral shaping of laser generated proton beams
Pfotenhauer S.M., Jäckel O., Sachtleben A., Polz J., Ziegler W., Schlenvoigt H.P., Amthor K.U., Kaluza M. C., Ledingham K.W.D., Sauerbrey R., Gibbon P. , Robinson A. P. L., Schwoerer H.
New Journal of Physics Vol 10, (2008)
Low-and medium-mass ion acceleration driven by petawatt laser plasma interactions
McKenna P., Lindau F., Lundh O., Carroll D.C., Clarke R.J., Ledingham K.W.D.
Plasma Physics and Controlled Fusion Vol 49, pp. B223-B231, (2007)

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Critical Mass: Collective radiation-beam-plasma interactions at high intensities
Jaroszynski, Dino (Principal Investigator) Bingham, Robert (Co-investigator) Boyd, Marie (Co-investigator) Ledingham, Kenneth (Co-investigator) McKenna, Paul (Co-investigator) Wiggins, Samuel (Co-investigator)
This proposal describes a programme of research on single-particle and collective radiation-beam-plasma interactions at high field intensities, production of high-brightness particle beams with femtosecond to attosecond duration, new sources of coherent and incoherent radiation that are both compact and inexpensive, new methods of accelerating particles which could make them widely available and, by extending their parameter range, stimulate new application areas. An important adjunct to the proposal will be a programme to apply the sources to demonstrate their usefulness and also provide a way to involve industry and other end-users. The project builds on previous experiments and theoretical investigations of the Advanced Laser Plasma High-energy Accelerators towards X-rays (ALPHA-X) project, which has demonstrated controlled acceleration in a laser-plasma wakefield accelerator (LWFA), initial applications of beams from the LWFA and demonstrations of gamma ray production due to resonant betatron motion in the LWFA. The programme will have broad relevance, through developing an understanding of the highly nonlinear and collective physics of radiation-matter interactions, to fields ranging from astrophysics, fusion and nuclear physics, to the interaction of radiation with biological matter. It will also touch on several basic problems in physics, such as radiation reaction in plasma media and the development of coherence in nonlinear coupled systems.
Period 19-Apr-2012 - 18-Jan-2016
Laser Energised Radiation Source Technology
McKenna, Paul (Principal Investigator) Jaroszynski, Dino (Co-investigator) Ledingham, Kenneth (Co-investigator)
Period 01-Nov-2007 - 30-Apr-2012
Jaroszynski, Dino (Principal Investigator) Bingham, Robert (Co-investigator) Ledingham, Kenneth (Co-investigator) McKenna, Paul (Co-investigator)
We propose to build on the successes of the ALPHA-X project with a new programme of research to investigate and develop novel compact radiation sources that explicitly exploit laser-driven plasma waves. The project will take forward the development of wakefield accelerators and utilise the sub-10 fs electron bunches accelerated in plasma channels to produce ultra-short pulses of coherent infrared to x-ray radiation in a FEL and coherent radiator structures. The main objective will be to push towards hard x-rays and gamma rays by utilising the very short spatial period undulator-like structures of plasma waves to lay down the foundations of sources in a spectral region hitherto not accessible. We will also push the frontiers of ultra-short pulse generation by: i) controlling and reducing the electron bunch duration from wakefield accelerators using pre-bunching techniques, which will also increase the peak current available while reducing the pulse length from a radiation source, and by ii) investigating the generation and tailoring of arbitrary shaped single-cycle pulses (initially in the visible) by backscattering tailored terahertz pulses from relativistic mirrors formed by relativistic plasma wakes and ionisation fronts. The experimental programme to develop these novel compact radiation sources will utilise the unique facilities at Strathclyde, set up under the ALPHA-X project, and resources available in the EU, US and China, to provide a mix of long-term development programmes and short-term (6-week) campaigns that take advantage of the particular laser beam characteristics available at the facilities. An important aspect of the project will be a substantial theoretical programme that will be undertaken by an established team of theoreticians that has previously worked together under ALPHA-X, and new teams that bring new approaches and backgrounds to bear on the significant theoretical challenges. The large group of collaborators provide both breadth and depth to the programme, and through their contributions and access to their various facilities, will also enable very effective use of resources. The programme of research is central to a UK roadmap that outlines potential new landscapes and ways forward in the field.
Period 01-Mar-2007 - 31-Aug-2011

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