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5 March 2022 Fiber Fabry-Pérot filter correlation spectroscopy for real-time radial velocity determination and astrophotonic gas sensing
Ross Cheriton, Erin Tonita, Volodymyr Artyshchuk, Adam Densmore, Suresh Sivanandam, Ernst de Mooij, Dan-Xia Xu, Jens H. Schmid, Pavel Cheben, Siegfried Janz
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Proceedings Volume PC12008, Photonic Instrumentation Engineering IX; PC1200809 (2022) https://doi.org/10.1117/12.2610397
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
Determining the radial velocity and atmospheric composition of exoplanets is typically performed using dispersive spectroscopy. However, while this approach is versatile, spectrometers for such applications are complex, expensive and are bulky instruments. In contrast, tunable fiber-based filters are commercially available and can be used for low cost, passive remote gas sensing. In this work, we experimentally demonstrate Fabry-Pérot based correlation spectroscopy in a simple, low-cost, compact, and stable instrument package for astrophotonic gas sensing. We also show via simulation that exoplanet radial velocities can be determined simultaneously.
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Ross Cheriton, Erin Tonita, Volodymyr Artyshchuk, Adam Densmore, Suresh Sivanandam, Ernst de Mooij, Dan-Xia Xu, Jens H. Schmid, Pavel Cheben, and Siegfried Janz "Fiber Fabry-Pérot filter correlation spectroscopy for real-time radial velocity determination and astrophotonic gas sensing", Proc. SPIE PC12008, Photonic Instrumentation Engineering IX, PC1200809 (5 March 2022); https://doi.org/10.1117/12.2610397
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KEYWORDS
Optical filters
Spectroscopy
Absorption
Image filtering
Atmospheric sensing
Exoplanets
Absorption filters
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