We report recent ultrafast pump-probe experiments in He plasma waveguides using intense pump and weak, same wavelength, cross-polarized probe. These single probe FDI measurements reveal otherwise undetectable blushift, and depolarized component of pump.
© 2005 Optical Society of America
R. B. Zgadzaj, E. W. Gaul, N. H. Matlis, G. Shvets, A. A. Debus, and M. C. Downer, "Femtosecond Pump-Probe Diagnostics of Preformed Plasma Channels," 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 JWC2.
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