1 December 1998 Time-resolved experiments using laser-plasma x-ray sources
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Abstract
Laser-plasma X-ray sources can reach peak brilliances comparable to synchrotron sources, with pulse durations up to 3 orders of magnitude shorter. Future applications of these sources in the investigation of femtosecond phenomena are particularly attractive because of their low cost and wide accessibility. Even modest laser systems can be used for single-shot experiments when combined with optimized crystal optics and sensitive detectors. Crystals are considered here for ultrafast absorption spectroscopy, in which both the variation of the penetration depth of x-rays and expansion of the source have to be taken into account. For real-time diffractometry, a combination of a toroidally-bent crystal together with a thin flat sample-crystal with low dispersion is proposed. Such arrangements can also be used to measure X- ray pulse duration or to shorten synchrotron pulses in the picosecond region.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eckhart Foerster, Ingo Uschmann, Paul Gibbon, T. Feurer, "Time-resolved experiments using laser-plasma x-ray sources", Proc. SPIE 3451, Time Structure of X-Ray Sources and Its Applications, (1 December 1998); doi: 10.1117/12.331847; https://doi.org/10.1117/12.331847
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