A novel form of high-resolution continuous-wave laser spectroscopy employs a cavity-ringdown technique to detect stimulated-Raman-gain effects. This is demonstrated by recording molecular rovibrational Raman spectra of methane gas.
© 2005 Optical Society of America
(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 Cavity-Ringdown Spectroscopy for High-Resolution Gas Sensing," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CTuY3.
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