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We present the first measurements of radiation temperatures and stimulated scattering losses in laser-driven, gas-filled hohlraums. They show efficient coupling when applying laser beam smoothing techniques. Scattering losses are reduced to the 3% level while the radiation temperatures increased by ~15 eV for smoothed laser beams. We observe peak radiation temperatures in excess of 230 eV in gas-filled hohlraums consistent with detailed hydrodynamic LASNEX modeling.
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Glenzer et al. (1998) studied this question.
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