THG-based third order autocorrelation for direct optical pulse-shape measurement on mode-locked Ti:sapphire lasers
Resource
Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the
Journal
Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the
Pages
-
Date Issued
2002
Date
2002
Author(s)
DOI
N/A
Abstract
Summary form only given. Direct third-harmonic-generation (THG) implementation was first realized on a modelocked Cr:forsterite laser with the method of Third Order Autocorrelation for Direct optical pulse-shape measurement (TOAD). In this report, we demonstrate this technique on the commonly used Ti:sapphire modelocked laser for the first time. By using THG process in a single GaN thin film or a thin BBO crystal, the intensity profile of the optical pulses was directly obtained with the background free third-order autocorrelation trace. In addition, we employed the Gerchberg-Saxton algorithm to retrieve the corresponding phase by the obtained intensity and an additional spectral measurement.
Type
journal article
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