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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 21 — Oct. 18, 2004
  • pp: 5088–5097

Characterization of a nonlinear filter for the front-end of a high contrast double-CPA Ti:sapphire laser

M. P. Kalashnikov, E. Risse, H. Schönnagel, A. Husakou, J. Herrmann, and W. Sandner  »View Author Affiliations

Optics Express, Vol. 12, Issue 21, pp. 5088-5097 (2004)

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A nonlinear filter using rotation of the polarization ellipse in air is investigated. Scheme to enhance the temporal contrast is developed for a double-CPA multi-terawatt Ti:sapphire laser. It supports an energy level of millijoule and has a high efficiency. The method allows suppression of the ASE pedestal, pre- and post-pulses by 3 orders of magnitude and also steepens the pulse front. For the physical interpretation of the results, numerical simulation of the filtering is performed.

© 2004 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.5540) Ultrafast optics : Pulse shaping
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Research Papers

Original Manuscript: August 11, 2004
Revised Manuscript: September 28, 2004
Published: October 18, 2004

M. Kalashnikov, E. Risse, H. Schönnagel, A. Husakou, J. Herrmann, and W. Sandner, "Characterization of a nonlinear filter for the front-end of a high contrast double-CPA Ti:sapphire laser," Opt. Express 12, 5088-5097 (2004)

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