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Proceedings Paper

In situ characterization of semiconductor saturable absorber mirrors used for passive mode-locking
Author(s): Gabriela Paunescu; Joachim Hein; Roland Sauerbrey; Wolfgang Richter
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Paper Abstract

We report the in situ characterization of a semiconductor saturable absorber mirror (SESAM) in an operating Yb:KGW mode-locked laser. The technique may be described as a pump-probe experiment in which the intracavity beam acts as a pump beam, while the output of the same laser is used as a test beam for the SESAM reflectivity. At zero delay, the probe pulse overlaps in time with the subsequent intracavity pulse. The method is an alternative to standard pump-probe measurements, in situations where the intracavity parameters such as energy fluence onto the SESAM, pulse length and center wavelength can not be simultaneously achieved with available lasers.

Paper Details

Date Published: 14 October 2005
PDF: 6 pages
Proc. SPIE 5962, Optical Design and Engineering II, 59620O (14 October 2005); doi: 10.1117/12.624801
Show Author Affiliations
Gabriela Paunescu, Friedrich-Schiller-Univ. Jena (Germany)
Joachim Hein, Friedrich-Schiller-Univ. Jena (Germany)
Roland Sauerbrey, Friedrich-Schiller-Univ. Jena (Germany)
Wolfgang Richter, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 5962:
Optical Design and Engineering II
Laurent Mazuray; Rolf Wartmann, Editor(s)

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