Characterizing the vibration environments of the Gemini telescopes

T. L. Hayward; M. Rippa; H. Bonnet; C. Cavedoni; R. Galvez; G. Gausachs; M. Cho

doi:10.1117/12.2232140

27 July 2016 Characterizing the vibration environments of the Gemini telescopes

T. L. Hayward, M. Rippa, H. Bonnet, C. Cavedoni, R. Galvez, G. Gausachs, M. Cho

Proceedings Volume 9906, Ground-based and Airborne Telescopes VI; 99065N (2016) https://doi.org/10.1117/12.2232140
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

We report the results of a multi-year program to measure the vibration characteristics of the two Gemini telescopes. Measurements with fast-guiding wavefront sensors and networks of accelerometers show a correlation between image motion and optical vibrations induced mostly by instrument cryocoolers. We have mitigated the strongest vibrations by fast-guiding compensation and active cancellation of vibration sources.

Citation Download Citation

T. L. Hayward, M. Rippa, H. Bonnet, C. Cavedoni, R. Galvez, G. Gausachs, and M. Cho "Characterizing the vibration environments of the Gemini telescopes", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99065N (27 July 2016); https://doi.org/10.1117/12.2232140

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