Self-seeded FEL wavelength extension with high-gain harmonic generation

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doi:10.1088/1674-1137/40/9/098102

Chinese Physics C> 2016, Vol. 40> Issue(9) : 098102 DOI: 10.1088/1674-1137/40/9/098102

Self-seeded FEL wavelength extension with high-gain harmonic generation

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Abstract：
We study a self-seeded high-gain harmonic generation (HGHG) free-electron laser (FEL) scheme to extend the wavelength of a soft X-ray FEL. This scheme uses a regular self-seeding monochromator to generate a seed laser at the wavelength of 1.52 nm, followed by a HGHG configuration to produce coherent, narrow-bandwidth harmonic radiations at the GW level. The 2nd and 3rd harmonic radiation is investigated with start-to-end simulations. Detailed studies of the FEL performance and shot-to-shot fluctuations are presented.

References

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null. Self-seeded FEL wavelength extension with high-gain harmonic generation[J]. Chinese Physics C, 2016, 40(9): 098102. doi: 10.1088/1674-1137/40/9/098102

null. Self-seeded FEL wavelength extension with high-gain harmonic generation[J]. Chinese Physics C, 2016, 40(9): 098102. doi: 10.1088/1674-1137/40/9/098102 shu

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Received: 2016-04-07
Revised: 2016-05-06

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沈阳化工大学材料科学与工程学院沈阳 110142

Self-seeded FEL wavelength extension with high-gain harmonic generation

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Received Date: 2016-04-07
Accepted Date: 2016-05-06
Available Online: 2016-09-05

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Abstract: We study a self-seeded high-gain harmonic generation (HGHG) free-electron laser (FEL) scheme to extend the wavelength of a soft X-ray FEL. This scheme uses a regular self-seeding monochromator to generate a seed laser at the wavelength of 1.52 nm, followed by a HGHG configuration to produce coherent, narrow-bandwidth harmonic radiations at the GW level. The 2nd and 3rd harmonic radiation is investigated with start-to-end simulations. Detailed studies of the FEL performance and shot-to-shot fluctuations are presented.