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5 October 2023 Searching for dark matter with optically levitated sensors
Yu-Han Tseng, Benjamin Siegel, Molly Watts, Luke Mozarsky, Emily Peng, Juan Recoaro, David C. Moore, Miriam Martinez, Geena Benga, Jiaxiang Wang, Thomas Penny
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Proceedings Volume PC12649, Optical Trapping and Optical Micromanipulation XX; PC126490H (2023) https://doi.org/10.1117/12.2677186
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Recent development in levitated optomechanics has presented new detection platforms for a diverse range of dark matter candidates. We discuss our recent application of using a nanogram-scale silica microparticle optically trapped in high vacuum to search for impulse signals induced by passing composite dark matter. The search is enabled by the achieved ~ 100 MeV/c momentum sensitivity of the system and the ability to stably trap and cool down micron-size particles. We also discuss our recent progress in constructing an array of levitated sensors and searching in the new parameter space with levitated nanoparticles.
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Yu-Han Tseng, Benjamin Siegel, Molly Watts, Luke Mozarsky, Emily Peng, Juan Recoaro, David C. Moore, Miriam Martinez, Geena Benga, Jiaxiang Wang, and Thomas Penny "Searching for dark matter with optically levitated sensors", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC126490H (5 October 2023); https://doi.org/10.1117/12.2677186
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KEYWORDS
Sensors
Detector arrays
Optomechanical design
Particles
Silica
Vacuum
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