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DOE OSTI · 1992923

Active Q-Switched X-Ray Regenerative Amplifier Free-Electron Laser

Tang, Jingyi·Zhang, Zhen·Morgan, Jenny·Hemsing, Erik·Huang, Zhirong
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Abstract

Despite tremendous progress in x-ray free-electron laser (FEL) science over the last decade, future applications still demand fully coherent, stable x-rays that have not been demonstrated in existing X-ray FEL facilities. Here in this Letter, we describe an active Q-switched x-ray regenerative amplifier FEL scheme to produce fully coherent, high-brightness, hard x rays at a high-repetition rate. By using simple electron-beam phase space manipulation, we show this scheme is flexible in controlling the x-ray cavity quality factor Q and hence the output radiation. We report both theoretical and numerical studies on this scheme with a wide range of accelerator, x-ray cavity, and undulator parameters.

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BibTeXRIS

Tang, Jingyi, Zhang, Zhen, Morgan, Jenny, Hemsing, Erik, Huang, Zhirong. 2023-07-31. Active Q-Switched X-Ray Regenerative Amplifier Free-Electron Laser. https://doi.org/10.1103/physrevlett.131.055001

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