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Start-to-end simulations for a seeded harmonic generation free electron laser

Thorin, Sara LU ; Brandin, Mathias LU ; Werin, Sverker LU ; Goldammer, Kathrin and Bahrdt, Johannes (2007) In Physical Review Special Topics - Accelerators and Beams 10(11).
Abstract
This paper shows how the MAX linac injector and transport system can be efficiently retuned to suit free electron laser (FEL) performance. In a collaboration between MAX-lab and BESSY, a seeded harmonic generation free electron laser is being constructed at MAX-lab. The setup uses the existing MAX-lab facility upgraded with a new low emittance photocathode gun, a Ti∶Sa 266 nm laser system used for both the gun and seeding and an FEL undulator system. To produce the high quality electron beam needed, it is shown how the magnet optics in an achromatic dogleg can be tuned to create an optimum bunch compression and how a good quality beam can be maintained through the beam transport and delivered to the FEL undulators. In extensive... (More)
This paper shows how the MAX linac injector and transport system can be efficiently retuned to suit free electron laser (FEL) performance. In a collaboration between MAX-lab and BESSY, a seeded harmonic generation free electron laser is being constructed at MAX-lab. The setup uses the existing MAX-lab facility upgraded with a new low emittance photocathode gun, a Ti∶Sa 266 nm laser system used for both the gun and seeding and an FEL undulator system. To produce the high quality electron beam needed, it is shown how the magnet optics in an achromatic dogleg can be tuned to create an optimum bunch compression and how a good quality beam can be maintained through the beam transport and delivered to the FEL undulators. In extensive start-to-end simulations from the cathode of the gun to the generation of photons in the undulators, FEL performance and stability has been calculated using simulation tools like astra, elegant, and genesis. This has been done for both the third and fifth harmonic of the seed laser. The results from the calculation are 30 fs light pulses with a power of 11 MW at 88 nm and 1.4 MW at 53 nm. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Special Topics - Accelerators and Beams
volume
10
issue
11
publisher
American Physical Society
external identifiers
  • WOS:000251537500002
  • Scopus:36248965624
ISSN
1098-4402
DOI
10.1103/PhysRevSTAB.10.110701
language
English
LU publication?
yes
id
f0d468db-5304-4d85-88a6-5efe5960ede7 (old id 961587)
alternative location
http://prst-ab.aps.org/abstract/PRSTAB/v10/i11/e110701
date added to LUP
2009-07-27 13:18:39
date last changed
2017-01-01 07:57:42
@article{f0d468db-5304-4d85-88a6-5efe5960ede7,
  abstract     = {This paper shows how the MAX linac injector and transport system can be efficiently retuned to suit free electron laser (FEL) performance. In a collaboration between MAX-lab and BESSY, a seeded harmonic generation free electron laser is being constructed at MAX-lab. The setup uses the existing MAX-lab facility upgraded with a new low emittance photocathode gun, a Ti∶Sa 266 nm laser system used for both the gun and seeding and an FEL undulator system. To produce the high quality electron beam needed, it is shown how the magnet optics in an achromatic dogleg can be tuned to create an optimum bunch compression and how a good quality beam can be maintained through the beam transport and delivered to the FEL undulators. In extensive start-to-end simulations from the cathode of the gun to the generation of photons in the undulators, FEL performance and stability has been calculated using simulation tools like astra, elegant, and genesis. This has been done for both the third and fifth harmonic of the seed laser. The results from the calculation are 30 fs light pulses with a power of 11 MW at 88 nm and 1.4 MW at 53 nm.},
  author       = {Thorin, Sara and Brandin, Mathias and Werin, Sverker and Goldammer, Kathrin and Bahrdt, Johannes},
  issn         = {1098-4402},
  language     = {eng},
  number       = {11},
  publisher    = {American Physical Society},
  series       = {Physical Review Special Topics - Accelerators and Beams},
  title        = {Start-to-end simulations for a seeded harmonic generation free electron laser},
  url          = {http://dx.doi.org/10.1103/PhysRevSTAB.10.110701},
  volume       = {10},
  year         = {2007},
}