Femtosecond and subfemtosecond x-ray pulses from a self-amplified spontaneous-emission-based free-electron laser |
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| Authors: | Emma P Bane K Cornacchia M Huang Z Schlarb H Stupakov G Walz D |
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| Institution: | Stanford Linear Accelerator Center, 2575 Sand Hill Road, Menlo Park, CA 94025, USA. Emma@SLAC.Stanford.edu |
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| Abstract: | We propose a novel method to generate femtosecond and subfemtosecond photon pulses in a free-electron laser by selectively spoiling the transverse emittance of the electron beam. Its merits are simplicity and ease of implementation. When the system is applied to the Linac Coherent Light Source, it can provide x-ray pulses the order of 1 fs in duration containing about 10(10) transversely coherent photons. |
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