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7 December 2022 Hybrid, reconfigurable Fresnel zone plate waveguides for ultracold atoms
Matthew Johnson, Anthony Pike, Victoria Henderson, Paul Griffin, Erling Riis, Aidan Arnold
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Proceedings Volume 12274, Emerging Imaging and Sensing Technologies for Security and Defence VII; 122740M (2022) https://doi.org/10.1117/12.2638170
Event: SPIE Security + Defence, 2022, Berlin, Germany
Abstract
We present work on versatile, compact optical components for waveguided atom interferometry with rotation sensing in mind. These diffractive optical elements: static Fresnel zone plates (FZPs), paired with a dynamic spatial light modulator, expand on the previous design and construction in our group of FZPs for smooth, red-detuned optical waveguides, allowing a wider range of functionality such as dark trapping with blue-detuned light and the generation of multiple, distinct waveguides from single FZPs. Our experiment utilises Bose-Einstein condensates of Rb-87 for interferometry, currently in a free-space configuration, by introducing such waveguides we can reduce the scale of this apparatus while increasing sensitivity to rotation.
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Matthew Johnson, Anthony Pike, Victoria Henderson, Paul Griffin, Erling Riis, and Aidan Arnold "Hybrid, reconfigurable Fresnel zone plate waveguides for ultracold atoms", Proc. SPIE 12274, Emerging Imaging and Sensing Technologies for Security and Defence VII, 122740M (7 December 2022); https://doi.org/10.1117/12.2638170
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KEYWORDS
Chemical species
Waveguides
Zone plates
Interferometry
Free space optics
Spatial light modulators
Environmental sensing
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