Development of laser interferometric high-precision geometry monitor for JASMINE

Yoshito Niwa; Koji Arai; Akitoshi Ueda; Masaaki Sakagami; Naoteru Gouda; Yukiyasu Kobayashi; Yoshiyuki Yamada; Taihei Yano

doi:10.1117/12.788734

12 July 2008 Development of laser interferometric high-precision geometry monitor for JASMINE

Yoshito Niwa, Koji Arai, Akitoshi Ueda, Masaaki Sakagami, Naoteru Gouda, Yukiyasu Kobayashi, Yoshiyuki Yamada, Taihei Yano

Author Affiliations +

Proceedings Volume 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter; 70104L (2008) https://doi.org/10.1117/12.788734
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

The telescope geometry of JASMINE should be stabilized and monitored with the accuracy of about 10 to 100 picometer or 10 to 100 picoradian in root-mean-square over about 10 hours. For this purpose, a high-precision interferometric laser metrology system is employed. One of useful techniques for measuring displacements in extremely minute scales is the heterodyne interferometrical method. Experiment for verification of multi degree of freedom measurement was performed and mirror motions were successfully monitored with three degree of freedom.

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Yoshito Niwa, Koji Arai, Akitoshi Ueda, Masaaki Sakagami, Naoteru Gouda, Yukiyasu Kobayashi, Yoshiyuki Yamada, and Taihei Yano "Development of laser interferometric high-precision geometry monitor for JASMINE", Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70104L (12 July 2008); https://doi.org/10.1117/12.788734

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