Contaminant-free end-capped and single-mode acetylene photonic microcell for sub-Doppler spectroscopy

نویسندگان

چکیده

We report on the development of an acetylene-filled photonic microcell based assembly process that is contaminant free and requires no helium buffer gas nor gluing procedure. The consists a 7-m-long 30 µm core-diameter inhibited-coupling guiding hollow-core crystal fiber filled with acetylene at pressure in range 80 µbar, sealed by capping its ends fusion-collapsing glass-tube sleeve, mounted FC connectors for integration. shows robust single-mode behavior total insertion loss ? 1.5 d mathvariant="normal">B . spectroscopic merit formed tested generating electromagnetic induced transparency saturated absorption R13 P9 lines, respectively. sub-Doppler transparencies show close to transit time limited linewidth 17 ±<!-- ± <mml:mn>3 mathvariant="normal">M mathvariant="normal">H mathvariant="normal">z latter was monitored over 3 months. As demonstration, used frequency stabilize laser fractional instability improvement factor 50 100 s integration compared running operation.

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ژورنال

عنوان ژورنال: Optics Letters

سال: 2021

ISSN: ['1539-4794', '1071-2763', '0146-9592', '1071-8842']

DOI: https://doi.org/10.1364/ol.412507