Robust, Fast and Sensitive Near-Infrared Continuous- Filtering Vernier Spectrometer

Francisco Senna Vieira; Chuang Lu; Isak Silander; Aleksander Gluszek; Grzegorz Sobon; Aleksandra Foltynowicz

doi:10.1364/CLEO_SI.2020.SM1M.5

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper SM1M.5
•https://doi.org/10.1364/CLEO_SI.2020.SM1M.5

Robust, Fast and Sensitive Near-Infrared Continuous- Filtering Vernier Spectrometer

Francisco Senna Vieira, Chuang Lu, Isak Silander, Aleksander Gluszek, Grzegorz Sobon, and Aleksandra Foltynowicz

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Cavity and Frequency Comb Based Precision Sensing (SM1M)

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F. S. Vieira, C. Lu, I. Silander, A. Gluszek, G. Sobon, and A. Foltynowicz, "Robust, Fast and Sensitive Near-Infrared Continuous- Filtering Vernier Spectrometer," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper SM1M.5.

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Abstract

We present a new robust approach to cavity-enhanced comb spectroscopy based on Vernier filtering, a fixed diffraction grating, custom-made chopper wheel, and a low bandwidth comb-cavity stabilization scheme. We measure a CO2 spectrum with a few GHz resolution and 5 x 10^-8 cm^-1 sensitivity in 9.4 ms.

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