Efficiency of 1.5- to 4.5-keV x-ray production from laser plasmas

Greg J Tallents; Jalal Pestehe; Edmond Turcu; Y. Abou-Ali; Graeme J. Hirst; Michael F. Powers; Waseem Shaikh

doi:10.1117/12.505920

7 January 2004 Efficiency of 1.5- to 4.5-keV x-ray production from laser plasmas

Greg J Tallents, Jalal Pestehe, Edmond Turcu, Y. Abou-Ali, Graeme J. Hirst, Michael F. Powers, Waseem Shaikh

Proceedings Volume 5196, Laser-Generated and Other Laboratory X-Ray and EUV Sources, Optics, and Applications; (2004) https://doi.org/10.1117/12.505920
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Laser to X-ray conversion efficiencies in the 1.5 - 4.5 keV photon energy range from solid targets irradiated by 2 ps duration KrF laser pulses of wavelength 248 nm and irradiance up to 2 x 10¹⁶ Wcm^-2 have been measured. Unusually, a CCD camera working in single photon counting mode has been used to record the emitted spectra with moderate (λ/Δλ ≈ 50) spectral resolution. Efficiencies in converting laser energy to X-ray emission into 2π steradian are in the range 10^-3 to 10^-6 respectively for photon energies from 1.5 to 4.5 keV.

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Greg J Tallents, Jalal Pestehe, Edmond Turcu, Y. Abou-Ali, Graeme J. Hirst, Michael F. Powers, and Waseem Shaikh "Efficiency of 1.5- to 4.5-keV x-ray production from laser plasmas", Proc. SPIE 5196, Laser-Generated and Other Laboratory X-Ray and EUV Sources, Optics, and Applications, (7 January 2004); https://doi.org/10.1117/12.505920

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