Dr Rachel Offer

Strathclyde Chancellor's Fellow

Physics

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Personal statement

Rachel Offer is a Strathclyde Chancellor's Fellow in Optical Frequency Metrology, jointly appointed with the National Physical Laboratory. Her research combines atomic physics, precision measurement and laser technologies, with a focus on developing optical free-space time and frequency transfer links and optical atomic clocks. Rachel completed her MPhys at the University of St Andrews in 2014, and her PhD in Physics at the University of Strathclyde in 2018. She was then awarded an EPSRC Doctoral Prize to fund a post-doc position at Strathclyde. In 2020 she joined the Precision Measurement Group at the University of Adelaide as a grant-funded researcher developing and field testing portable optical atomic clocks based on neutral ytterbium. In 2025 she was awarded a Strathclyde Chancellor's Fellowship jointly funded by the National Physical Laboratory.

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Publications

Portable laser-cooled ytterbium beam clock based on an ultra-narrow optical transition
Offer R F, Klantsataya E, Hilton A P, Strathearn A, Hébert N Bourbeau, Billington C J, Watzdorf S, Scholten S K, White B, Nelligan M, Stace T M, Luiten A N
Optica Vol 13, pp. 677-685 (2026)
https://doi.org/10.1364/OPTICA.584095
Demonstration of a mobile optical clock ensemble at sea
Hilton A P, Offer R F, Klantsataya E, Scholten S K, Bourbeau Hébert N, Billington C J, Locke C, Perrella C, Nelligan M, Allison J W, White B, Ahern E, Martin K W, Beard R, Elgin J D, Sparkes B M, Luiten A N
Nature Communications Vol 16 (2025)
https://doi.org/10.1038/s41467-025-61140-2
Characterization of near-infrared to telecom frequency conversion in a rubidium-filled hollow-core photonic-crystal fiber
Rowland Jed A, Perrella Christopher, Offer Rachel F, Luiten Andre N, Sparkes Ben M, Weinhold Till J
Optics Express Vol 33, pp. 18076-18088 (2025)
https://doi.org/10.1364/OE.549459
Wave-front curvature in optical atomic beam clocks
Strathearn A, Offer R F, Hilton A P, Klantsataya E, Luiten A N, Anderson R P, Sparkes B M, Stace T M
Physical Review A Vol 108 (2023)
https://doi.org/10.1103/PhysRevA.108.013105
Rapid prototyping of grating magneto-optical traps using a focused ion beam
Sun Xiao, Rickard William DA, Sparkes Ben M, White Ben R, Offer Rachel F, Luiten Andre N, Ironside Charlie N
Optics Express Vol 29, pp. 37733-37746 (2021)
https://doi.org/10.1364/OE.439479
Orthogonalizing the control of frequency combs for optical clockworks
Hebert Nicolas Bourbeau, Scholten Sarah K, Hilton Ashby P, Offer Rachel F, Perrella Christopher, Luiten Andre N
Optics Letters Vol 46, pp. 4972-4975 (2021)
https://doi.org/10.1364/OL.435219

More publications

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Contact

Dr Rachel Offer
Strathclyde Chancellor's Fellow
Physics

Email: rachel.offer@strath.ac.uk
Tel: Unlisted