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In situ detection and analysis of laser-induced damage on a 15-m multilayer-dielectric grating compressor for high-energy, petawatt-class laser systems

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/oe.18.010423· OSTI ID:1095276
 [1]; ; ; ; ; ; ;
  1. Laboratory for Laser Energetics, University of Rochester, Rochester, NY
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A grating-inspection system and a damage-analysis method have been developed to measure in situ laser-induced damage on a 1.5-m tiled-grating assembly of the OMEGA EP pulse compressor during a 15-ps, 2.2-kJ energy ramp. The beam fluence at which significant damage growth occurred was determined. This is the first report on beam fluence versus laser-induced-damage growth of meter-sized multilayer-dielectric-diffraction gratings. This result was correlated to the damage-probability measurement conducted on a small grating sample and is consistent with the fluence, corresponding to 100% damage probability.

Research Organization:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Organization:
USDOE
Grant/Contract Number:
FC52-08NA28302
OSTI ID:
1095276
Report Number(s):
DOE/NA/28302-950; 2009-183; 1933
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 10 Vol. 18; ISSN 1094-4087
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

References (21)

OMEGA EP: High-energy petawatt capability for the OMEGA laser facility journal June 2006
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An overview of LLNL high-energy short-pulse technology for advanced radiography of laser fusion experiments journal November 2004
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Present Status of Fast Ignition Research and Prospects of FIREX Project journal April 2005
Formation of periodic microstructures on multilayer dielectric gratings prior to total ablation journal January 2006
Effect of electric field on laser induced damage threshold of multilayer dielectric gratings journal January 2007
High-efficiency, broad band, high-damage threshold high-index gratings for femtosecond pulse compression journal January 2007
Ultra-high intensity- 300-TW laser at 0.1 Hz repetition rate journal January 2008
5?Hz, >250?mJ optical parametric chirped-pulse amplifier at 1053?nm journal January 2005
Demonstration of large-aperture tiled-grating compressors for high-energy, petawatt-class, chirped-pulse amplification systems journal January 2008
Vulcan Petawatt—an ultra-high-intensity interaction facility journal November 2004
An overview of LLNL high-energy short-pulse technology for advanced radiography of laser fusion experiments journal November 2004
Present Status of Fast Ignition Research and Prospects of FIREX Project journal April 2005
Formation of periodic microstructures on multilayer dielectric gratings prior to total ablation journal January 2006
Effect of electric field on laser induced damage threshold of multilayer dielectric gratings journal January 2007
High-efficiency, broad band, high-damage threshold high-index gratings for femtosecond pulse compression journal January 2007
Ultra-high intensity- 300-TW laser at 0.1 Hz repetition rate journal January 2008
5?Hz, >250?mJ optical parametric chirped-pulse amplifier at 1053?nm journal January 2005
Demonstration of large-aperture tiled-grating compressors for high-energy, petawatt-class, chirped-pulse amplification systems journal January 2008

Figures / Tables (7)

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