Fourier Transform Spectroscopy Using Difference Frequency Generation Comb Sources at 3.3 µm and 7.8 µm

OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)(2021)

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摘要
We use offset-frequency-free difference frequency generation comb sources and a Fourier transform spectrometer with comb-mode-width limited resolution to measure and analyze spectra of molecular species of atmospheric relevance: CH 3 I and CH 2 Br 2 around 3000 cm -1 , and 14 N 16 2O around 1280 cm -1 .
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