Title :
High-resolution Spectroscopy using a Ring-Cavity THz-Wave Parametric Oscillator and a Fabry-Perot Interferometer
Author :
Ohno, S. ; Guo, Ruixiang ; Minamide, Hiroaki ; Ito, Hiromasa
Author_Institution :
RIKEN Sendai, Sendai
Abstract :
Using a ring-cavity terahertz (THz)-wave parametric oscillator as a THz-wave source, we demonstrated THz-wave absorption spectroscopy in water vapor. The THz-wave was fed into a Fabry-Perot interferometer to obtain a narrower spectral line width than that supplied by the source.
Keywords :
Fabry-Perot interferometers; parametric oscillators; spectroscopic light sources; submillimetre wave oscillators; submillimetre wave spectroscopy; Fabry Perot interferometer; high resolution spectroscopy; ring cavity terahertz wave parametric oscillator; terahertz wave absorption spectroscopy; water vapor; Absorption; Fabry-Perot interferometers; Frequency; Indium tin oxide; Laser beams; Mirrors; Ring oscillators; Solid state circuits; Spectroscopy; Water resources;
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.2007.4391794
