Design of the high precision thermostat for birefringent filter

Jiaben Lin; Yuanyong Deng; Juan Guo; Zhen Zeng; Bingxiang Wang; Jingjing Guo

doi:10.1117/12.2231360

27 July 2016 Design of the high precision thermostat for birefringent filter

Jiaben Lin, Yuanyong Deng, Juan Guo, Zhen Zeng, Bingxiang Wang, Jingjing Guo

Proceedings Volume 9906, Ground-based and Airborne Telescopes VI; 990635 (2016) https://doi.org/10.1117/12.2231360
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

To ensure the performance of the optical components in birefringent filter, high precision constant temperature condition is necessary. We research and realize a new thermostat for it. Firstly, we compare and select the high precision temperature sensors and designed the complicated signal acquisition circuits; Secondly, we design and assemble the high efficiency thermal insulation layers and a secondary thermostat; Thirdly, we use an ARM 7 processor as the central processing unit and realize the intelligent heat algorithm. Two sets of this new generation thermostat had been put into use since 2012, the temperature variation resolution of this new thermostat is better than 0.001°C and the temperature stability of the birefringent filter is within 0.01°C.

Citation Download Citation

Jiaben Lin, Yuanyong Deng, Juan Guo, Zhen Zeng, Bingxiang Wang, and Jingjing Guo "Design of the high precision thermostat for birefringent filter", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 990635 (27 July 2016); https://doi.org/10.1117/12.2231360

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