Title :
Application of terahertz time-domain spectroscopy to molecular science in condensed phases - low-frequency spectra of complexes and biopolymers
Author :
Tominaga, K. ; Yamamoto, K. ; Oka, A. ; Kaibr, H. Md
Author_Institution :
Molecular Photosci. Res. Center, Kobe Univ., Japan
fDate :
27 Sept.-1 Oct. 2004
Abstract :
Terahertz (THz) time-domain spectroscopy (TDS) has been applied to measure far infrared (FIR) absorption spectra of molecular complexes and molecules in solutions such as charge-transfer complexes, polar solutes in non-polar solvents, or liquid crystals, and biopolymers such as polypeptides, and proteins like cytochrome c and bacteriorhodopsin. Weak intermolecular interactions and structural fluctuations are discussed in terms of the obtained low-frequency spectra.
Keywords :
absorption coefficients; extinction coefficients; infrared spectra; molecular biophysics; polymers; proteins; refractive index; submillimetre wave spectra; FIR absorption spectra; THz time domain spectroscopy; absorption coefficients; bacteriorhodopsin; biopolymers; charge transfer complexes; condensed phases; cytochrome; extinction coefficients; far infrared absorption spectra; intermolecular interactions; liquid crystals; low frequency spectra; molecular complexes; molecular science; nonpolar solvents; polar solutes; polypeptides; proteins; refractive index measurement; structural fluctuations; terahertz time domain spectroscopy; Current measurement; Electromagnetic wave absorption; Finite impulse response filter; Infrared spectra; Liquid crystals; Proteins; Solvents; Spectroscopy; Submillimeter wave measurements; Time domain analysis;
Conference_Titel :
Infrared and Millimeter Waves, 2004 and 12th International Conference on Terahertz Electronics, 2004. Conference Digest of the 2004 Joint 29th International Conference on
Print_ISBN :
0-7803-8490-3
DOI :
10.1109/ICIMW.2004.1422164
