A novel form of continuous-wave laser spectroscopy entails cavity-ringdown detection of stimulated Raman gain, with co-propagating pump and Stokes beams to minimise Doppler broadening. Molecular rovibrational Raman spectra of methane gas are recorded.
© 2007 OSA
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.0300) Spectroscopy : Spectroscopy
(300.6450) Spectroscopy : Spectroscopy, Raman
F. V. Englich, Y. He, and B. J. Orr, "Stimulated Raman Gain Spectroscopy with Continuous-Wave Cavity Ringdown Detection," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper CWE1.