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Optica Publishing Group
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1987),
  • paper MEE2

Review si laser-produced x-ray sources

Open Access Open Access

Abstract

The focusing of high-powered lasers onto solid targets can produce hot dense plasmas which may be a bright source of x rays for various applications. Submieron lasers are especially efficient for coupling their energy to dense plasmas. For example, 0.35 light can be absorbed with over 80% efficiency at 1015 W/cm2 to densities near critical density of 9 × 1021 e“7cm3 for a 1-ns pulse. For high Z plasmas, over 60% of the incident energy of the incident laser energy can be reradiated at incident intensities of 10M W/cm2. Our principal interest in studying these* plasmas has been to understand their energy balance and understand the laser-plasma interactions, but other applications have been proposed and demonstrated. Some of these include radiography for ICF and other applications, x-ray lithography, and pump sources for producing x-ray lasers. Mechanisms for producing x rays in different energy regions are reviewed, and examples of spectra are presented.

© 1987 Optical Society of America

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