Abstract
Ultrashort-pulse-characterization techniques generally require instantaneously responding media. We show that this is not the case for frequency-resolved optical gating (FROG). We include, as an example, the noninstantaneous Raman response of fused silica, which can cause errors in the retrieved pulse width of as much as 8% for a 25-fs pulse in polarization-gate FROG. We present a modified pulse-retrieval algorithm that deconvolves such slow effects and use it to retrieve pulses of any width. In experiments with 45-fs pulses this algorithm achieved better convergence and yielded a shorter pulse than previous FROG algorithms.
© 1995 Optical Society of America
Full Article | PDF ArticleMore Like This
David N. Fittinghoff, Kenneth W. DeLong, Rick Trebino, and Celso L. Ladera
J. Opt. Soc. Am. B 12(10) 1955-1967 (1995)
Greg Taft, Andy Rundquist, Margaret M. Murnane, Henry C. Kapteyn, Kenneth W. DeLong, Rick Trebino, and Ivan P. Christov
Opt. Lett. 20(7) 743-745 (1995)
Daniel J. Kane and Rick Trebino
Opt. Lett. 18(10) 823-825 (1993)