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)
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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