Multigas detection using a sample-grating distributed Bragg reflector diode laser
作者： Jie Shao , Yexing Han , Jie Guo , Liming Wang , Ying Han
DOI: 10.1364/AO.52.007462
关键词:
摘要: A sample-grating distributed Bragg reflector (SG-DBR) laser with 18 preprogrammed channels operating at 1540–1580 nm is characterized and compared for use as a source of tunable diode gas absorption spectroscopy. Two gases, CO CO2, were targeted in this study by direct spectroscopy wavelength modulation second-harmonic detection. In addition, the detectability sample optical thickness reported. Potential extensions research future are assessed using SG-DBR
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