Nery, M.T.; Venneberg, J.R.; Aggarwal, N.; Cole, G.D.; Corbitt, T. et al.: Laser power stabilization via radiation pressure. In: Optics Letters (OL) 46 (2021), Nr. 8, 1946. DOI: https://doi.org/10.1364/ol.422614
Abstract: | |
This Letter reports the experimental realization of a novel, to the best of our knowledge, active power stabilization scheme in which laser power fluctuations are sensed via the radiation pressure driven motion they induce on a movable mirror. The mirror position and its fluctuations were determined by means of a weak auxiliary laser beam and a Michelson interferometer, which formed the in-loop sensor of the power stabilization feedback control system. This sensing technique exploits a nondemolition measurement, which can result in higher sensitivity for power fluctuations than direct, and hence destructive, detection. Here we used this new scheme in a proof-of-concept experiment to demonstrate power stabilization in the frequency range from 1 Hz to 10 kHz, limited at low frequencies by the thermal noise of the movable mirror at room temperature. | |
License of this version: | OSA Open Access Publishing Agreement |
Document Type: | Article |
Publishing status: | publishedVersion |
Issue Date: | 2021 |
Appears in Collections: | An-Institute |
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