An economic Fabry-Perot wavelength reference

Gábor Fűrész; Alex Glenday; Christian Latham

doi:10.1117/12.2057602

28 July 2014 An economic Fabry-Perot wavelength reference

Gábor Fűrész, Alex Glenday, Christian Latham

Proceedings Volume 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation; 915156 (2014) https://doi.org/10.1117/12.2057602
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

Precision radial velocity (PRV) measurements are key in studying exoplanets, and so are wavelength calibrators in PRV instruments. ThAr lamps offer an affordable but somewhat limited solution for the visible passband. Laser frequency combs are ideal calibrators, except the (still) narrow wavelength coverage and large price tag. White light Fabry-Perot (FP) calibrators offer frequency-comb like properties in a more affordable and less complicated package¹. Using a commercial solid FP etalon and off-the shelf components we have constructed an economic FP calibrator suitable for observatories on a smaller budget.

Citation Download Citation

Gábor Fűrész, Alex Glenday, and Christian Latham "An economic Fabry-Perot wavelength reference", Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 915156 (28 July 2014); https://doi.org/10.1117/12.2057602

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