X-ray production with ultrabright laser pulses

Matthias Schnuerer; Peter Viktor Nickles; Mikhail P. Kalachnikov; F. Billhardt; Anatoly Ya. Faenov; B. A. Bryunetkin

doi:10.1117/12.168006

1 February 1994 X-ray production with ultrabright laser pulses

Matthias Schnuerer, Peter Viktor Nickles, Mikhail P. Kalachnikov, F. Billhardt, Anatoly Ya. Faenov, B. A. Bryunetkin

Proceedings Volume 2015, Applications of Laser Plasma Radiation; (1994) https://doi.org/10.1117/12.168006
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

X-ray emission and laser absorption have been studied with pulses of 1.5 ps duration irradiating solid targets at intensities of 10¹⁸ W/cm². Absorption as a function of the incident laser flux and the irradiation angle in respect to the polarization reaches maximal values of 50% and is discussed in comparison to theoretical works published recently. This gives basic guidelines for efficient x-ray production which we have investigated in the hard (E_x > 50 keV, Bremsstrahlung) and soft (E_x < 1 keV, line emission of ions) spectral region. The feasibility of a short pulse and a plasma source with an extension of only some microns is proofed with an experiment using a spherically bent Mica crystal for collimation of the x-ray beam. The brightness and divergence of that x-ray beam being relevant for applications are given.

Citation Download Citation

Matthias Schnuerer, Peter Viktor Nickles, Mikhail P. Kalachnikov, F. Billhardt, Anatoly Ya. Faenov, and B. A. Bryunetkin "X-ray production with ultrabright laser pulses", Proc. SPIE 2015, Applications of Laser Plasma Radiation, (1 February 1994); https://doi.org/10.1117/12.168006

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