Polarization impedance measurement cavity enhanced laser absorption spectroscopy

Ya J. Guan; Chathura P. Bandutunga; Jiahao Dong; Timothy T.Y. Lam; Roland Fleddermann; Malcolm B. Gray; Jong H. Chow

doi:10.1364/OE.435976

Polarization impedance measurement cavity enhanced laser absorption spectroscopy

Ya J. Guan^*, Chathura P. Bandutunga, Jiahao Dong, Timothy T.Y. Lam, Roland Fleddermann, Malcolm B. Gray, Jong H. Chow

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We present a theoretical overview and experimental demonstration of a continuous-wave, cavity-enhanced optical absorption spectrometry method to detect molecular gas. This technique utilizes the two non-degenerate polarization modes of a birefringent cavity to obtain a zero background readout of the intra-cavity absorption. We use a double-pass equilateral triangle optical cavity design with additional feed-forward frequency noise correction to measure the R14e absorption line in the 30012←00001 band of CO₂ at 1572.655 nm.

Original language	English
Pages (from-to)	33836-33849
Number of pages	14
Journal	Optics Express
Volume	29
Issue number	21
DOIs	https://doi.org/10.1364/OE.435976
Publication status	Published - 11 Oct 2021

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title = "Polarization impedance measurement cavity enhanced laser absorption spectroscopy",

abstract = "We present a theoretical overview and experimental demonstration of a continuous-wave, cavity-enhanced optical absorption spectrometry method to detect molecular gas. This technique utilizes the two non-degenerate polarization modes of a birefringent cavity to obtain a zero background readout of the intra-cavity absorption. We use a double-pass equilateral triangle optical cavity design with additional feed-forward frequency noise correction to measure the R14e absorption line in the 30012←00001 band of CO2 at 1572.655 nm.",

author = "Guan, {Ya J.} and Bandutunga, {Chathura P.} and Jiahao Dong and Lam, {Timothy T.Y.} and Roland Fleddermann and Gray, {Malcolm B.} and Chow, {Jong H.}",

note = "Publisher Copyright: {\textcopyright} 2021 Optical Society of America",

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T1 - Polarization impedance measurement cavity enhanced laser absorption spectroscopy

AU - Guan, Ya J.

AU - Bandutunga, Chathura P.

AU - Dong, Jiahao

AU - Lam, Timothy T.Y.

AU - Fleddermann, Roland

AU - Gray, Malcolm B.

AU - Chow, Jong H.

PY - 2021/10/11

Y1 - 2021/10/11

N2 - We present a theoretical overview and experimental demonstration of a continuous-wave, cavity-enhanced optical absorption spectrometry method to detect molecular gas. This technique utilizes the two non-degenerate polarization modes of a birefringent cavity to obtain a zero background readout of the intra-cavity absorption. We use a double-pass equilateral triangle optical cavity design with additional feed-forward frequency noise correction to measure the R14e absorption line in the 30012←00001 band of CO2 at 1572.655 nm.

AB - We present a theoretical overview and experimental demonstration of a continuous-wave, cavity-enhanced optical absorption spectrometry method to detect molecular gas. This technique utilizes the two non-degenerate polarization modes of a birefringent cavity to obtain a zero background readout of the intra-cavity absorption. We use a double-pass equilateral triangle optical cavity design with additional feed-forward frequency noise correction to measure the R14e absorption line in the 30012←00001 band of CO2 at 1572.655 nm.

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U2 - 10.1364/OE.435976

DO - 10.1364/OE.435976

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VL - 29

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EP - 33849

JO - Optics Express

JF - Optics Express

IS - 21

ER -

Polarization impedance measurement cavity enhanced laser absorption spectroscopy

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