Title :
Application of high average-power THz radiation to measure far infrared absorption spectrum of supercritical fluid
Author :
Saitow, K. ; Nishikawa, K. ; Ohtake, H. ; Sarukura, N.
Author_Institution :
Div. of Diversity Sci., Chiba Univ., Japan
Abstract :
A high average-power THz radiation enables us to acquire far infrared absorption spectra of supercritical fluids with a high signal to noise ratio in short time. Local structure of the fluid is investigated through the spectra.
Keywords :
critical points; infrared spectroscopy; solvation; submillimetre wave spectroscopy; degree of clustering; density fluctuation; far infrared absorption spectra; fluoroform; high average-power THz radiation; high signal-noise ratio; local structure; polarizing Michelson interferometer; pressure dependences; rotational motions; solvated regions; spectral width; supercritical fluids; supercritical states; Electromagnetic wave absorption; Fluctuations; Infrared spectra; Magnetic field measurement; Optical interferometry; Optical pulses; Optical scattering; Optical sensors; Spectroscopy; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967906
