Scaling of x-ray K-shell sources from laser-solid interactions

Jonathan Workman; George A. Kyrala

doi:10.1117/12.448463

14 November 2001 Scaling of x-ray K-shell sources from laser-solid interactions

Jonathan Workman, George A. Kyrala

Proceedings Volume 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II; (2001) https://doi.org/10.1117/12.448463
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

The application of x-ray sources to imaging of dense objects is standard technique. The quality of the x-ray image depends both on the x-ray source wavelength and on the flux. To improve the flux of the x-ray source it is important to understand how the conversion efficiency scales with laser irradiance and target material. We present measurements of x-ray conversion efficiency in sold Cr, Fe, Ni Zn and Ge targets as s function of the laser irradiance using the OMEGA laser facility. The results show a steep decease in the conversion efficiency with increasing Z while the scaling of conversion efficiency with laser irradiance can show a peak. Values for x-ray yield are determined using time-integrated crystal spectrometer data.

Citation Download Citation

Jonathan Workman and George A. Kyrala "Scaling of x-ray K-shell sources from laser-solid interactions", Proc. SPIE 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II, (14 November 2001); https://doi.org/10.1117/12.448463

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