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Mid-IR optical frequency comb Fourier transform spectroscopy using an antiresonant hollow-core fiber
Laser & Fiber Electronics Group, Wroclaw University of Science and Technology, Wroclaw, Poland.
Laser & Fiber Electronics Group, Wroclaw University of Science and Technology, Wroclaw, Poland.
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China; Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, China.
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China; Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, China.
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2023 (English)In: 2023 conference on lasers and electro-optics Europe & European quantum electronics conference (CLEO/Europe-EQEC), IEEE, 2023, article id 10232148Conference paper, Published paper (Refereed)
Abstract [en]

Optical frequency combs (OFCs) enable high resolution, sensitivity, and speed in spectroscopic measurements. An efficient way of generating an optical frequency comb in the mid-infrared (mid-IR) is the difference frequency generation (DFG) process, which involves the interaction of two input waves in a non-linear crystal, resulting in the generation of a third wave with a frequency that is the difference in frequency of the two input beams [1]. The classical way of extending the path of light-gas interaction in spectroscopic measurements, thus increasing the sensitivity, is to use multi-pass cells (MPC). However, MPCs have disadvantages related to the difficulty of aligning laser light into the cell or optical fringes. An alternative approach is to use the so-called antiresonant hollow-core fibres (ARHCF) [2]. ARHCFs are characterized by a wide low-loss transmission range in the mid-IR, high quality of the delivered beam, and their air core can be filled with the target gas sample, which makes them well suited for laser-based gas sensing.

Place, publisher, year, edition, pages
IEEE, 2023. article id 10232148
Series
Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference, ISSN 2833-1052, E-ISSN 2639-5452
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-216796DOI: 10.1109/CLEO/EUROPE-EQEC57999.2023.10232148Scopus ID: 2-s2.0-85175712591ISBN: 9798350345995 (electronic)ISBN: 9798350346008 (print)OAI: oai:DiVA.org:umu-216796DiVA, id: diva2:1813643
Conference
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023, Munich, June 26-30, 2023
Funder
Knut and Alice Wallenberg Foundation, KAW 2020.0303Available from: 2023-11-21 Created: 2023-11-21 Last updated: 2023-11-21Bibliographically approved

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Foltynowicz, Aleksandra

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