Pressure-tuned F-P etalon filter with single channel

Chunwei Li; Cheng Li; Qian Deng; Decheng Wu; Dong Liu; Zhenzhu Wang

doi:10.1117/12.2653681

10 May 2023 Pressure-tuned F-P etalon filter with single channel

Chunwei Li, Cheng Li, Qian Deng, Decheng Wu, Dong Liu, Zhenzhu Wang

Proceedings Volume 12554, AOPC 2022: Advanced Laser Technology and Applications; 125540L (2023) https://doi.org/10.1117/12.2653681
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

Lidar is an important device for detecting atmospheric parameters. In this paper, a single channel F-P etalon is used as a narrow-band filter to lock the transmittance of 355 nm wavelength emitted laser by control the transmittance of seed laser with 1064 nm wavelength. Not only the background noise can be suppressed and the signal-to-noise ratio can be improved, but also the transmittance of the locked target in the etalon can be tracked to achieve higher detection accuracy. During the experiment, transmittance is controlled at target transmittance with 0.01 precision.

Citation Download Citation

Chunwei Li, Cheng Li, Qian Deng, Decheng Wu, Dong Liu, and Zhenzhu Wang "Pressure-tuned F-P etalon filter with single channel", Proc. SPIE 12554, AOPC 2022: Advanced Laser Technology and Applications, 125540L (10 May 2023); https://doi.org/10.1117/12.2653681

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