Saturated absorption spectroscopy using azimuthally structured mode in hollow-core fiber

Thomas Billotte,Jonas Osório,Foued Amrani,Frédéric Gérôme,Benoît Debord,Fetah Benabid

Conference on Lasers and Electro-Optics（2022）

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摘要

We report on saturated-absorption-spectroscopy in acetylene-filled hollow-core fiber using azimuthally-structured fiber modes. The results show rotational-frequency-shift of 11 MHz and 2-fold contrast enhancement of the saturated signal when using with LP 11 mode over LP 01 mode.

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关键词

saturated-absorption-spectroscopy,acetylene-filled hollow-core fiber,azimuthally-structured fiber modes,2-fold contrast enhancement,saturated signal,saturated absorption spectroscopy,azimuthally structured mode,frequency 11.0 MHz

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