Title :
Ultra-broadband near-infrared dual-comb spectroscopy
Author :
Okubo, Sho ; Iwakuni, K. ; Inaba, Hiromi ; Hosaka, Kazumoto ; Onae, Atsushi ; Sasada, Hiroyuki ; Feng-Lei Hong
Author_Institution :
Nat. Metrol. Inst. of Japan, Nat. Inst. of Adv. Ind. Sci. & Technol., Tsukuba, Japan
Abstract :
We extend the spectral bandwidth of dual-comb spectroscopy over a hundred THz using two optical frequency combs with relative linewidth of sub-Hz level. We record the spectra of the entire vibration band of acetylene.
Keywords :
fibre lasers; infrared spectra; infrared spectroscopy; measurement by laser beam; optical frequency combs; organic compounds; vibrational states; acetylene vibration band spectra; optical frequency combs; relative linewidth; spectral bandwidth; sub-Hz level; ultrabroadband near-infrared dual-comb spectroscopy; Bandwidth; Optical fiber sensors; Optical fibers; Optical pulses; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
