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Broadband Photoacoustic Spectroscopy Technique in 2µm Wavelength Range for Sensing of Moisture and Carbon dioxide
Date Issued
01-01-2022
Author(s)
Saran Kumar, K.
Esther Blesso Vidhya, Y.
Selvaraj, Ramya
Indian Institute of Technology, Madras
Indian Institute of Technology, Madras
Abstract
Dual-wavelength, broadband photoacoustic technique is demonstrated for measurement of multiple gas species using a supercontinuum laser source. H2O vapor and CO2 measurements are demonstrated near 1920 and 2000 nm.