Title :
High-resolution Spectroscopy using Phase Modulation of Frequency Comb Light
Author :
Shioda, Tatsutoshi ; Mori, Takayoshi ; Sugimoto, Tatsuya ; Tanaka, Yosuke ; Kurokawa, Takashi
Author_Institution :
Tokyo Univ. of Agric. & Technol., Tokyo
Abstract :
A phase modulation of frequency comb light has been applied to measure a fine spectral line of gas at 1.5 mum wavelength range with optical heterodyne-detection method. The measurement range successfully covered 25 GHz with a spectral resolution of 1 MHz.
Keywords :
heterodyne detection; infrared spectra; infrared spectroscopy; optical modulation; organic compounds; phase modulation; spectral line breadth; H13C14N spectral line; frequency 25 GHz; frequency comb light; high-resolution spectroscopy; optical heterodyne-detection; phase modulation; wavelength 1.5 mum; Absorption; Frequency; Laser tuning; Optical filters; Optical mixing; Optical modulation; Phase modulation; Spectroscopy; Tunable circuits and devices; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391671
