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Liquid crystal polarizers and waveplates are an enabling technology for large fusion lasers. While damage and replacement rates of liquid crystal optics remain remarkably low, degradation in polarizer performance has been noted and studied.
OMEGA EP (Extended Performance) is a petawatt-class addition to the existing 30-kJ, 60-beam OMEGA Laser Facility at the University of Rochester. Activation of the OMEGA EP Laser is near completion and results will be described.
OMEGA EP (Extended Performance) is a petawatt-class addition to the existing 30-kJ, 60-beam OMEGA Laser Facility at the University of Rochester. Activation of the OMEGA EP Laser is near completion and results will be described.
A tiled-grating assembly with three large-scale gratings is developed with real-time interferometric tiling control for a petawatt laser system. Tiling-parameters sensitivity and focal-spot degradation are analyzed for a compressor composed of four such assemblies.
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