14 November 2001 Ultrafast x-ray absorption spectroscopy using laser-driven electron x-ray sources (LEXS)
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A laser driven electron x-ray source (LEXS) using a high repetition rate, terawatt laser system is described. The laser system has adopted design features that make it more suitable for the generation of hard x-ray pulses. These features include a simplified pumping scheme to reduce cost and complexity, a l/4 broadband regenerative amplifier to support high-energy, short optical pulse generation, and a 50-Hz repetition rate to achieve both desired pulse energy and simple compressor design. Preliminary results on x-ray generation using this system are reported. A new method, ultrafast selected energy x-ray absorption spectroscopy (USEXAS), based on this LEXS is discussed.
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Guangjun Cheng, Guangjun Cheng, Fang Shan, Fang Shan, Abhi Freyer, Abhi Freyer, Ting Guo, Ting Guo, "Ultrafast x-ray absorption spectroscopy using laser-driven electron x-ray sources (LEXS)", Proc. SPIE 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II, (14 November 2001); doi: 10.1117/12.448450; https://doi.org/10.1117/12.448450

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