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Title: Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same

Abstract

A laser system, such as a master oscillator/power amplifier system, comprises a gain medium and a stimulated Brillouin scattering SBS mirror system. The SBS mirror system includes an in situ filtered SBS medium that comprises a compound having a small negative non-linear index of refraction, such as a perfluoro compound. An SBS relay telescope having a telescope focal point includes a baffle at the telescope focal point which blocks off angle beams. A beam splitter is placed between the SBS mirror system and the SBS relay telescope, directing a fraction of the beam to an alternate beam path for an alignment fiducial. The SBS mirror system has a collimated SBS cell and a focused SBS cell. An adjustable attenuator is placed between the collimated SBS cell and the focused SBS cell, by which pulse width of the reflected beam can be adjusted.

Inventors:
 [1];  [1];  [2]
  1. Livermore, CA
  2. Rocklin, CA
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
908984
Patent Number(s):
7,209,500
Application Number:
10/766,635
Assignee:
Metal Improvement Company, LLC (Paramus, NJ) OAK
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Dane, C Brent, Hackel, Lloyd, and Harris, Fritz B. Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same. United States: N. p., 2007. Web.
Dane, C Brent, Hackel, Lloyd, & Harris, Fritz B. Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same. United States.
Dane, C Brent, Hackel, Lloyd, and Harris, Fritz B. Tue . "Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same". United States. doi:. https://www.osti.gov/servlets/purl/908984.
@article{osti_908984,
title = {Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same},
author = {Dane, C Brent and Hackel, Lloyd and Harris, Fritz B},
abstractNote = {A laser system, such as a master oscillator/power amplifier system, comprises a gain medium and a stimulated Brillouin scattering SBS mirror system. The SBS mirror system includes an in situ filtered SBS medium that comprises a compound having a small negative non-linear index of refraction, such as a perfluoro compound. An SBS relay telescope having a telescope focal point includes a baffle at the telescope focal point which blocks off angle beams. A beam splitter is placed between the SBS mirror system and the SBS relay telescope, directing a fraction of the beam to an alternate beam path for an alignment fiducial. The SBS mirror system has a collimated SBS cell and a focused SBS cell. An adjustable attenuator is placed between the collimated SBS cell and the focused SBS cell, by which pulse width of the reflected beam can be adjusted.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 24 00:00:00 EDT 2007},
month = {Tue Apr 24 00:00:00 EDT 2007}
}

Patent:

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