Ultrafast x-ray absorption spectroscopy using laser-driven electron x-ray sources (LEXS)

Guangjun Cheng; Fang Shan; Abhi Freyer; Ting Guo

doi:10.1117/12.448450

14 November 2001 Ultrafast x-ray absorption spectroscopy using laser-driven electron x-ray sources (LEXS)

Guangjun Cheng, Fang Shan, Abhi Freyer, Ting Guo

Proceedings Volume 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II; (2001) https://doi.org/10.1117/12.448450
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

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.

Citation Download Citation

Guangjun Cheng, Fang Shan, Abhi Freyer, and 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); https://doi.org/10.1117/12.448450

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