Title :
Coherent anti-Stokes Raman spectrometer for THz-frequency modes in biomolecules
Author :
Shikata, J. ; Nakazawa, M. ; Matsumoto, T. ; Ito, H.
Author_Institution :
Res. Inst. or Electr. Commun., Tohoku Univ., Sendai, Japan
Abstract :
A coherent anti-Stokes Raman spectrometer using near-infrared optical parametric oscillators is reported. It scans over a wide frequency range of 0-7000 cm-1 (0-210 THz). Sensitive detection of THz-frequency vibrational modes of protein in aqueous solution is successfully achieved.
Keywords :
biological techniques; coherent antiStokes Raman scattering; infrared spectra; infrared spectrometers; molecular biophysics; optical parametric oscillators; proteins; ultraviolet spectra; vibrational modes; visible spectra; 0 to 210 THz; 1 to 7000 cm-1; THz-frequency modes; THz-frequency vibrational modes; aqueous solution; biomolecules; coherent anti-Stokes Raman spectrometer; near-infrared optical parametric oscillators; protein; Biomedical optical imaging; Frequency; Molecular biophysics; Nonlinear optics; Optical filters; Optical pumping; Optical scattering; Optical sensors; Raman scattering; 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.2003.1277276
