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MOBB01 |
Harmonic Lasing & Gain Cascading: More Efficient X-Ray Free Electron Laser Oscillators |
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- H.X. Deng
SINAP, Shanghai, People's Republic of China
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In this talk, I will focus on the recent theoretical progresses on X-ray free-electron laser oscillator (XFELO). A simplified one-dimensional theoretical model for fast XFELO optimization, harmonic lasing XFELO scheme which reduces the requiered beam energy for a interested radiation wavelength, and the gain-cascading scheme which may increase the pulse energy and the peak power of XFELO will be presented.
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Slides MOBB01 [3.473 MB]
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| WEP063 |
A Two-in-One Type Undulator |
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- D. Wang, H.X. Deng, Z. Jiang
SINAP, Shanghai, People's Republic of China
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Funding: This work is supported by the Ministry of Science and Technology of China.
The typical X-ray free electron lasers have long tunnels to accommodate high energy electron linear accelerator and long undulator line to produce intense coherent radiations at very short wavelengths. The number of undulator lines is limited by the available space in the tunnel. This is especially true for those facilities that adopt underground tunnels or utilize the existing tunnels originally built for other purpose. This work explored the possibility to better use the tunnel space for accommodating more FEL undulator lines by designing a new type of undulator structure.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-FEL2017-WEP063
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