A Double-Pass Cavity-Enhanced Spectrometer with a Polarization Analyzed Readout

Yajie Guan, Chathura Bandutunga, Malcolm B. Gray, Jong H. Chow

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    We describe a new optical cavity-enhanced spectroscopy technique which uses a polarization analyzed readout for molecular absorption. It has a double-pass cavity configuration which serves as both a spatial as well as frequency mode self-cleaner. We demonstrate a quantum noise-equivalent absorption sensitivity of ~3x10-13 /vHz /cm, with a sample of carbon dioxide gas in a cavity of finesse ~2000.

    Original languageEnglish
    Title of host publication2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9781943580910
    Publication statusPublished - May 2021
    Event2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Virtual, Online, United States
    Duration: 9 May 202114 May 2021

    Publication series

    Name2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings

    Conference

    Conference2021 Conference on Lasers and Electro-Optics, CLEO 2021
    Country/TerritoryUnited States
    CityVirtual, Online
    Period9/05/2114/05/21

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