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9 March 2022 Search for non-Newtonian interactions at micrometer scale with a levitated test mass
Nadav Priel
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Proceedings Volume PC12016, Optical and Quantum Sensing and Precision Metrology II; PC1201613 (2022) https://doi.org/10.1117/12.2609742
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
The universal law of gravitation has undergone stringent tests for many decades over a significant range of length scales, from atomic to planetary. Of particular interest is the short distance regime, where modifications to Newtonian gravity may arise from axion-like particles or extra dimensions. We have constructed an ultra-sensitive force sensor based on optically-levitated microspheres for the purpose of investigating non-Newtonian forces that couple to mass with a characteristic scale of 10µm. In this talk I will present the first investigation of the inverse-square law using an optically levitated test mass.
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Nadav Priel "Search for non-Newtonian interactions at micrometer scale with a levitated test mass", Proc. SPIE PC12016, Optical and Quantum Sensing and Precision Metrology II, PC1201613 (9 March 2022); https://doi.org/10.1117/12.2609742
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KEYWORDS
Optical testing
Particles
Sensors
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