Title :
Observation of THz region vibrational spectra in biomolecules
Author :
Ishikawa, Youichi ; Minamide, Hiroaki ; Ikari, Tomofumi ; Ito, Hiromasa
Author_Institution :
Photodynamics Res. Center, RIKEN, Sendai, Japan
Abstract :
We report on THz spectroscopy of biomolecules using a THz-wave parametric oscillator (TPO). We successfully observed the absorption peaks of riboflavin, benzoic acid, and salicylic acid, including the isomers o-acetylsalicylic acid and m-acetylsalicylic acid. The peaks for salicylic acid and riboflavin were in agreement with reported peaks. Moreover, we found new absorption peaks for m-acetylsalicylic acid in the THz region.
Keywords :
Raman spectroscopy; macromolecules; molecular biophysics; optical parametric oscillators; organic compounds; submillimetre wave oscillators; vibrational modes; 300 to 3000 GHz; THz region vibrational spectra; THz spectroscopy; THz-wave parametric oscillator; benzoic acid; biomolecules; isomers o-acetylsalicylic acid; m-acetylsalicylic acid; riboflavin; salicylic acid; Absorption; Brillouin scattering; Fingerprint recognition; Frequency; Laser tuning; Molecular biophysics; Optical pulse generation; Oscillators; Space vector pulse width modulation; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1274821
