We propose and demonstrate heterodyne CARS chemical imaging as a novel application of phase-coherent femtosecond supercontinua. With proper timing of three phase-locked pulses this technique achieves efficient background suppression.
© 2005 Optical Society of America
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1670) Coherence and statistical optics : Coherent optical effects
(300.0300) Spectroscopy : Spectroscopy
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering
M. Greve, B. Bodermann, H. Telle, P. Baum, and E. Riedle, "Gated Heterodyne Coherent Anti-Stokes Raman Scattering with Phase-Locked Tunable Femtosecond Pulses," 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 CThM6.
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