DocumentCode
375782
Title
Photoacoustic trace gas detection using pulsed grazing-incidence PPLN optical parametric oscillator
Author
Wei-Wei Hsiang ; Chin-How Lim ; Geng-Chiau Liang ; Kung, Andrew H.
Author_Institution
Inst. of Atomic & Molecular Sci., Acad. Sinica, Taipei, Taiwan
Volume
1
fYear
2001
fDate
15-19 July 2001
Abstract
A pulsed grazing-incidence PPLN OPO has been used in photoacoustic spectroscopy and trace gas analysis to yield 13 ppbV sensitivity in the detection of methane in nitrogen. Real time detection of methane in ambient air is demonstrated.
Keywords
air pollution measurement; gas sensors; infrared spectroscopy; optical parametric oscillators; photoacoustic spectroscopy; spectrochemical analysis; spectroscopic light sources; LiNbO/sub 3/; differential photoacoustic detector; methane detection; photoacoustic spectroscopy; photoacoustic trace gas detection; pollution monitoring; portable system; pulsed grazing-incidence PPLN OPO; real time detection; spectral resolution; tunable infrared source; Atom optics; Biomedical monitoring; Biomedical optical imaging; Light sources; Nitrogen; Nonlinear optics; Optical pulses; Optical sensors; Oscillators; Tunable circuits and devices;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location
Chiba, Japan
Print_ISBN
0-7803-6738-3
Type
conf
DOI
10.1109/CLEOPR.2001.967762
Filename
967762
Link To Document