We have developed an experimentally ultrasimple, few-element FROG device for measuring ~1-ps pulses at ~1.5-micron wavelengths. The key to this device is a highly dispersive nonlinear crystal, specifically, the all-but-forgotten crystal Proustite.
© 2004 Optical Society of America
R. Trebino, S. Akturk, and M. Kimmel, " Ultrasimple FROG device for measuring ultrashort pulses at ~ 1.5-micron wavelengths," in Nonlinear Optics: Materials, Fundamentals and Applications, Technical Digest (CD) (Optical Society of America, 2004), paper TuB1.
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