-band rf driven free electron laser driver with optics linearization
Abstract
In this paper, a compact hard X-ray free electron lasers (FEL) design is proposed with all X-band rf acceleration and two stage bunch compression. It eliminates the need of a harmonic rf linearization section by employing optics linearization in its first stage bunch compression. Quadrupoles and sextupoles are employed in a bunch compressor one (BC1) design, in such a way that second order longitudinal dispersion of BC1 cancels the second order energy correlation in the electron beam. Start-to-end 6-D simulations are performed with all the collective effects included. Emittance growth in the horizontal plane due to coherent synchrotron radiation is investigated and minimized, to be on a similar level with the successfully operating Linac coherent light source (LCLS). At a FEL radiation wavelength of 0.15 nm, a saturation length of 40 meters can be achieved by employing an undulator with a period of 1.5 cm. Without tapering, a FEL radiation power above 10 GW is achieved with a photon pulse length of 50 fs, which is LCLS-like performance. The overall length of the accelerator plus undulator is around 250 meters which is much shorter than the LCLS length of 1230 meters. That makes it possible to build hard X-ray FELmore »
- Authors:
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1181633
- Alternate Identifier(s):
- OSTI ID: 1212372; OSTI ID: 1223323
- Grant/Contract Number:
- AC02-76SF00515; AC02-06CH11357
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Special Topics. Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Special Topics. Accelerators and Beams Journal Volume: 17 Journal Issue: 11; Journal ID: ISSN 1098-4402
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS
Citation Formats
Sun, Yipeng, Emma, Paul, Raubenheimer, Tor, and Wu, Juhao. X -band rf driven free electron laser driver with optics linearization. United States: N. p., 2014.
Web. doi:10.1103/PhysRevSTAB.17.110703.
Sun, Yipeng, Emma, Paul, Raubenheimer, Tor, & Wu, Juhao. X -band rf driven free electron laser driver with optics linearization. United States. https://doi.org/10.1103/PhysRevSTAB.17.110703
Sun, Yipeng, Emma, Paul, Raubenheimer, Tor, and Wu, Juhao. Thu .
"X -band rf driven free electron laser driver with optics linearization". United States. https://doi.org/10.1103/PhysRevSTAB.17.110703.
@article{osti_1181633,
title = {X -band rf driven free electron laser driver with optics linearization},
author = {Sun, Yipeng and Emma, Paul and Raubenheimer, Tor and Wu, Juhao},
abstractNote = {In this paper, a compact hard X-ray free electron lasers (FEL) design is proposed with all X-band rf acceleration and two stage bunch compression. It eliminates the need of a harmonic rf linearization section by employing optics linearization in its first stage bunch compression. Quadrupoles and sextupoles are employed in a bunch compressor one (BC1) design, in such a way that second order longitudinal dispersion of BC1 cancels the second order energy correlation in the electron beam. Start-to-end 6-D simulations are performed with all the collective effects included. Emittance growth in the horizontal plane due to coherent synchrotron radiation is investigated and minimized, to be on a similar level with the successfully operating Linac coherent light source (LCLS). At a FEL radiation wavelength of 0.15 nm, a saturation length of 40 meters can be achieved by employing an undulator with a period of 1.5 cm. Without tapering, a FEL radiation power above 10 GW is achieved with a photon pulse length of 50 fs, which is LCLS-like performance. The overall length of the accelerator plus undulator is around 250 meters which is much shorter than the LCLS length of 1230 meters. That makes it possible to build hard X-ray FEL in a laboratory with limited size.},
doi = {10.1103/PhysRevSTAB.17.110703},
journal = {Physical Review Special Topics. Accelerators and Beams},
number = 11,
volume = 17,
place = {United States},
year = {Thu Nov 13 00:00:00 EST 2014},
month = {Thu Nov 13 00:00:00 EST 2014}
}
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https://doi.org/10.1103/PhysRevSTAB.17.110703
https://doi.org/10.1103/PhysRevSTAB.17.110703
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