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19 December 2003 Near-field spatial imaging of the 11.9-nm Ni-like Sn soft x-ray laser
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We report on 2D near-field imaging experiments of the 11.9-nm Sn x-ray laser that were performed with a set of novel Mo/Y multilayer mirrors having reflectivities of up to 40% at normal and at 45° incidence. Second-moment analysis of the x-ray laser emission was used to determine values of the c-ray beam propagation factor M2 for a range of irradiation parameters. The results reveal a reduction of M2 with increasing prepulse intensity. The spatial size of the output is a factor of ~2 smaller than previously measured for the Pd x-ray laser, while the distance of the x-ray emission with respect to the target surface remains roughly the same.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Juerg E. Balmer, Felix Staub, Sasa Bajt, Jennifer Alameda, and Joseph Nilsen "Near-field spatial imaging of the 11.9-nm Ni-like Sn soft x-ray laser", Proc. SPIE 5197, Soft X-Ray Lasers and Applications V, (19 December 2003);


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