The performance of a microresonator-based etalon for radial velocity calibration

Gautam Vasisht; Yu-Hung Lai; Danny Eliyahu; Lute Maleki; Scott Singer; Mahmud Bagheri; Andrey Matsko; Dmitry Strekalov; Wei Zhang; Chas Beichman

doi:10.1117/12.3018472

28 August 2024 The performance of a microresonator-based etalon for radial velocity calibration

Gautam Vasisht, Yu-Hung Lai, Danny Eliyahu, Lute Maleki, Scott Singer, Mahmud Bagheri, Andrey Matsko, Dmitry Strekalov, Wei Zhang, Chas Beichman

Author Affiliations +

Proceedings Volume 13100, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI; 131005U (2024) https://doi.org/10.1117/12.3018472
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

Precision radial velocity measurement requires spectral calibration sources that exhibit short to long term wavelength stability and high modal density. Here we report on our efforts to develop a novel 400-1800 nm whispering gallery mode resonator etalon for calibration of optical or infrared spectrographs. The small crystalline MgF2 ring etalon is stable to better than 10-11 levels on 1 s timescales but requires environmental isolation and an referencing to an external standard to maintain long term performance. We will summarize our efforts thus far, as well as the performance achieved over 10 day measurements.

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Gautam Vasisht, Yu-Hung Lai, Danny Eliyahu, Lute Maleki, Scott Singer, Mahmud Bagheri, Andrey Matsko, Dmitry Strekalov, Wei Zhang, and Chas Beichman "The performance of a microresonator-based etalon for radial velocity calibration", Proc. SPIE 13100, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 131005U (28 August 2024); https://doi.org/10.1117/12.3018472

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