Design and performance analysis of a novel thermos-structure for measuring thermal drift of optics in a next generation interferometer

Guolong Wu; Hongxing Yang; Haijin Fu; Pengcheng Hu; Xuemei Ding

doi:10.1117/12.2513410

7 March 2019 Design and performance analysis of a novel thermos-structure for measuring thermal drift of optics in a next generation interferometer

Guolong Wu, Hongxing Yang, Haijin Fu, Pengcheng Hu, Xuemei Ding

Author Affiliations +

Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 110534G (2019) https://doi.org/10.1117/12.2513410
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China

Abstract

In this paper, a design of a novel thermo-structure for measuring thermal drift of optics in a next generation interferometer is presented. The novel thermo-structure is used to change the temperature of interferometer under test (IUT) by radiation since the measurement is operated in vacuum to exclude the affect from air. Besides, the thermo-structure is made of multilayers, intergrated with thermo electric coolers as the source of heat, which can provide a uniform temperature field. In addition, the thermo-structure can also protect the IUT from disturbance of environmental radiation. Performance of the system is evaluated by finite element analysis and simulation results show that it can achieve a uniform temperature field which temperature difference is less than 0.02°C and reduce perturbation of environmental radiation from 2°C down to 0.03°C.

Citation Download Citation

Guolong Wu, Hongxing Yang, Haijin Fu, Pengcheng Hu, and Xuemei Ding "Design and performance analysis of a novel thermos-structure for measuring thermal drift of optics in a next generation interferometer", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110534G (7 March 2019); https://doi.org/10.1117/12.2513410

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