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Evidence of resonance absorption in laser-produced plasmas from the polarization and angular dependence of high-energy x-ray bremsstrahlung emission

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1978

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Abstract

Measurements are reported of the polarization and angular dependence of the amplitude and "temperature" of high-energy bremsstrahlung emission from planar copper targets irradiated with 25-psec neodymium laser pulses at 5±2×1014 W/cm2. A resonance in the emission is observed for p-polarized incident radiation at an angle of incidence of 25°. The results indicate the presence of plasma density scale lengths of about 1 μm and 17% absorption due to the resonance absorption mechanism.

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https://dspace-test.anu.edu.au/handle/1885/733730411

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DevOps Pure Testing

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Applied Physics Letters

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Article

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DOI

10.1063/1.89993

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