Production of multikilovolt x rays from laser-heated targets

Christina A. Back; Jacob Grun; Christopher D. Decker; John L. Davis; Otto L. Landen; Larry J. Suter; Russell J. Wallace

doi:10.1117/12.283990

14 October 1997 Production of multikilovolt x rays from laser-heated targets

Christina A. Back, Jacob Grun, Christopher D. Decker, John L. Davis, Otto L. Landen, Larry J. Suter, Russell J. Wallace

Proceedings Volume 3157, Applications of X Rays Generated from Lasers and Other Bright Sources; (1997) https://doi.org/10.1117/12.283990
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Experiments to develop high photon energy x-ray sources were carried out on the Nova laser. Ten laser beams delivered approximately 39 kJ of energy in 2 ns into a Be cylinder filled with Xe gas. The conversion efficiency into x-rays > 4 keV was measured to be 5 - 15%, which is the highest measured in this photon regime for laser-produced plasmas. The temporal dependence of the x-ray emission indicates that the bulk of the emission is emitted in the first half of the 2 ns pulse. A set of diagnostics were fielded to image the volume in emission as well as provide spectra to measure conversion efficiency.

Citation Download Citation

Christina A. Back, Jacob Grun, Christopher D. Decker, John L. Davis, Otto L. Landen, Larry J. Suter, and Russell J. Wallace "Production of multikilovolt x rays from laser-heated targets", Proc. SPIE 3157, Applications of X Rays Generated from Lasers and Other Bright Sources, (14 October 1997); https://doi.org/10.1117/12.283990

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