Title :
Accurate frequency measurement of the ν3 band of methane from sub-Doppler resolution comb-referenced spectroscopy
Author :
Abe, Makoto ; Okubo, Sho ; Iwakuni, K. ; Nakayama, Hiroki ; Inaba, Hiromi ; Sasada, Hiroyuki
Author_Institution :
Dept. of Phys., Keio Univ., Yokohama, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
We have determined 183 sub-Doppler resolution spectral frequencies of 12CH4 using a difference-frequency-generation source, an enhanced-cavity absorption cell, and an optical frequency comb from 86.7 to 93.1 THz with a typical uncertainty of 3 kHz.
Keywords :
frequency measurement; optical frequency conversion; organic compounds; terahertz wave spectra; ν3 band; difference-frequency-generation source; enhanced-cavity absorption cell; frequency 3 kHz; frequency 86.7 THz to 93.1 THz; frequency measurement; methane; optical frequency comb; subDoppler resolution comb-referenced spectroscopy; subDoppler resolution spectral frequency; Absorption; Frequency control; Frequency measurement; Optical fiber amplifiers; Spectroscopy; Uncertainty;
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on
Conference_Location :
Kyoto
DOI :
10.1109/CLEOPR.2013.6600047
