Temperature-tuned solid-etalon filter for the space-borne lidar receiver

Lu Li; Chenbo Xie; Peng Zhuang; Zhanye Zhang; Yufei Chu; Zhiyuan Fang; Qian Deng

doi:10.1117/12.2532530

17 May 2019 Temperature-tuned solid-etalon filter for the space-borne lidar receiver

Lu Li, Chenbo Xie, Peng Zhuang, Zhanye Zhang, Yufei Chu, Zhiyuan Fang, Qian Deng

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 111700U (2019) https://doi.org/10.1117/12.2532530
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

Abstract

Cloud-Aerosol plays a very important role in the Earth's atmospheric system,so accurate data of global Cloud-Aerosol detection are of great importance to the climate.The 532nm detection channel of the Space-borne Lidar for Cloud- Aerosol has a low signal-to-noise ratio during the daytime,so it cannot be effectively detected during the daytime.In order to improve the signal-to-noise ratio of the 532nm detection channel,a high-stability"sandwich solid-etalon" structure is used in series with a narrow-band interference filter.A filter is designed with a high-precision thermal control structure,it's optical performance is detected.The results show that the performance parameters of the filter meet the design requirements: the mechanical structure is compact and reliable; the temperature control accuracy can reach 0.1 °C;the temperature tuning coefficient is 3.49pm/°C,that is, the temperature tuning range of +/-2.3 °C, which satisfies the central wavelength tuning range of 16pm; the incident angle should be controlled within +/-4.2mrad to meet the peak transmittance of more than 75%

Citation Download Citation

Lu Li, Chenbo Xie, Peng Zhuang, Zhanye Zhang, Yufei Chu, Zhiyuan Fang, and Qian Deng "Temperature-tuned solid-etalon filter for the space-borne lidar receiver", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111700U (17 May 2019); https://doi.org/10.1117/12.2532530

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