Title :
Dual gas (NH3and NO2) laser absorption measurement by tailored signal and idler wavelength in difference frequency mixing process
Author :
Okawa, Hiroki ; Wake, Koichi ; Yamaguchi, Shigeru ; Endo, Masamori ; Nanri, Kenzo ; Takahashi, Masao ; Fujioka, Tomoo
Author_Institution :
Department of Physics, school of science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259-1292 Japan Tel: +81-463-58-1211(ext4882), Fax: +81-463-50-2013 1asp3207@keyaki.cc.u-tokai.ac.jp
Abstract :
Absorption measurements of NH3in 1.53 μm wavelength region and NOx in 3.46 μm wavelength region are performed at the same instant by using single optical gas sensing system based on difference frequency generation (DFG).
Keywords :
Absorption; Fiber nonlinear optics; Frequency measurement; Gas lasers; Nonlinear optics; Optical filters; Optical mixing; Pollution measurement; Signal processing; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN :
0-7803-9242-6
DOI :
10.1109/CLEOPR.2005.1569761