Time-dependent third-harmonic generation in optical dielectrics is modelled for ultra-short laser pulses. We find group velocity walk-off leads to enhanced interface sensitivity, and demonstrate a novel interferometric measurement technique for studying thin films.
© 2005 Optical Society of America
D. S. Stoker, J. Baek, M. C. Downer, D. Kovar, M. F. Becker, and J. W. Keto, "Interferometric Third-Harmonic Generation in Thin Optical Films Using Ultra-Short Laser Pulses," in Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2005), paper FME4.
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