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Conferences > CLEOPR > 2022 > CWP17A > CWP17A_01

Background-Free Vibrational Spectroscopy based on Destructive Interference around 2.3 µm

Wenqing Song, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara

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Abstract

We demonstrate background-free vibrational spectroscopy by using a mode-locked Cr:ZnS laser and a well-stabilized interferometer. The Allan deviation measurement indicates a potential sensitivity of 3.57×10-6 Hz-1/2 as normalized noise equivalent absorption.

© 2022 IEEE

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