Extreme prepulse contrast utilizing cascaded-optical parametric amplification

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It has been shown recently that an optical parametric chirped-pulse amplifier can be easily reconfigured into a cascaded-optical parametric amplifier (COPA), enabling complete prepulse removal and optical switching with a window defined by the pump pulse duration. We have demonstrated instrument-limited measurement of the COPA prepulse contrast >1.4 x 10{sup 11} using 30-mJ pulses. The COPA technique is applicable to all energy ranges and pulse durations. A convenient millijoule-scale implementation of this technique is presented using a single, large-aspect-ratio quasi-phase-matched nonlinear crystal.

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4 p. (0.2 MB)

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Jovanovic, I; Haefner, C; Wattellier, B & Barty, C J June 15, 2006.

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Description

It has been shown recently that an optical parametric chirped-pulse amplifier can be easily reconfigured into a cascaded-optical parametric amplifier (COPA), enabling complete prepulse removal and optical switching with a window defined by the pump pulse duration. We have demonstrated instrument-limited measurement of the COPA prepulse contrast >1.4 x 10{sup 11} using 30-mJ pulses. The COPA technique is applicable to all energy ranges and pulse durations. A convenient millijoule-scale implementation of this technique is presented using a single, large-aspect-ratio quasi-phase-matched nonlinear crystal.

Physical Description

4 p. (0.2 MB)

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PDF-file: 4 pages; size: 0.2 Mbytes

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  • Presented at: International Conference on Ultrahigh Intensity Lasers, Cassis, France, Sep 25 - Sep 29, 2006

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  • Report No.: UCRL-PROC-222262
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 896577
  • Archival Resource Key: ark:/67531/metadc886906

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Office of Scientific & Technical Information Technical Reports

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  • June 15, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • April 13, 2017, 6 p.m.

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Jovanovic, I; Haefner, C; Wattellier, B & Barty, C J. Extreme prepulse contrast utilizing cascaded-optical parametric amplification, article, June 15, 2006; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc886906/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.