Demonstration of Coherent Addition of Multiple Gratings for High-Energy Chirped-Pulse-Amplified Lasers
- Laboratory for Laser Energetics, University of Rochester, Rochester, NY
OAK- (B204)Petawatt solid-state lasers require meter-sized gratings to reach multiple-kilojoule energy levels without laser-induced damage. As an alternative to large single gratings, we have demonstrated that smaller, coherently added (tiled) gratings can be used for subpicosecond-pulse compression. A Fourier-transform-limited, 650-fs, chirped-pulse-amplified (CPA) laser pulse was maintained by replacing a single compression grating with a tiled gratings assembly. Grating tiling provides a means to scale the energy and irradiance of short-pulse lasers.
- Research Organization:
- Laboratory for Laser Energetics (US)
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FC03-92SF19460
- OSTI ID:
- 822015
- Report Number(s):
- DOE/SF-19460-521; 1431; 2003-154
- Journal Information:
- Optics Letters, Journal Name: Optics Letters Journal Issue: 6 Vol. 29
- Country of Publication:
- United States
- Language:
- English
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