Paper
25 February 2010 Measuring complex and visible ultrashort pulses
Author Affiliations +
Abstract
Frequency-Resolved Optical Gating (FROG) and its variations are the only techniques available for measuring complex pulses without a well-characterized reference pulse. We study the performance of the FROG generalized-projections (GP) algorithm for retrieving the intensity and phase of very complex ultrashort laser pulses in the presence of noise. Also, we show that a highly simplified version of FROG, GRENOUILLE, can easily measure visible pulses. By tuning a thick crystal, it can cover the entire visible spectrum, which is typically generated from commercial Optical Parameter Amplifications (OPAs)
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Dongjoo Lee, Lina Xu, and Rick Trebino "Measuring complex and visible ultrashort pulses", Proc. SPIE 7589, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications X, 75890N (25 February 2010); https://doi.org/10.1117/12.841961
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KEYWORDS
Crystals

Second-harmonic generation

Visible radiation

Ultrafast phenomena

Spectral resolution

Spectroscopy

Cameras

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