Iodine vapor photonic microcell

Clément Goïcoechéa; Thomas Billotte; Jenny Jouin; Philippe Thomas; Devang Naik; Frédéric Gérôme; Benoît Debord; Fetah Benabid

doi:10.1117/12.2615326

1 April 2022 Iodine vapor photonic microcell

Clément Goïcoechéa, Thomas Billotte, Jenny Jouin, Philippe Thomas, Devang Naik, Frédéric Gérôme, Benoît Debord, Fetah Benabid

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Proceedings Volume PC11997, Optical Components and Materials XIX; PC119970E (2022) https://doi.org/10.1117/12.2615326
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

We report on an optical fiber based iodine vapor spectroscopy cell. The formed photonic microcell (PMC) is a standalone FC/APC connectorized Iodine filled hollow core photonic crystal fiber (HCPCF) demonstrating transmission efficiency as high as 75% (1.2 dB insertion loss) and an absorption contrast reaching 70% on the P(33) 6-3 transition (i.e. ~633 nm wavelength) at room temperature. Iodine exhibits an astounding amount of transitions on the green-red spectral range. Hence, as a demonstration of its application as a frequency reference, we have generated many sub-Doppler spectral transparencies over the 631-635 range using saturated absorption spectroscopy for laser frequency stabilization.

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Clément Goïcoechéa, Thomas Billotte, Jenny Jouin, Philippe Thomas, Devang Naik, Frédéric Gérôme, Benoît Debord, and Fetah Benabid "Iodine vapor photonic microcell", Proc. SPIE PC11997, Optical Components and Materials XIX, PC119970E (1 April 2022); https://doi.org/10.1117/12.2615326

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