Design of a harmonic generation FEL experiment at BNL
- Brookhaven National Lab., Upton, NY (United States)
- Grumman Space and Electronics Corp., Princeton, NJ (United States)
We present design parameters of a harmonic generation FEL experiment to be carried out at the Accelerator Test Facility (ATF) at BNL. This experiment out as a proof-of-principle for the proposed UV-FEL User's Facility at BNL. In the experiment we plan to triple the frequency of a CO{sub 2} seed laser by utilizing two superconducting wigglers and a dispersive section. The first wiggler will be used in conjunction with the CO{sub 2} seed laser to generate a ponderomotive force that will bunch the electron beam. The bunching will then be enhanced by the dispersion section. The second wiggler, tuned to the third harmonic of the seed laser will follow. In the beginning of the second wiggler the bunched beam will produce super-radiant emission (characterized by a quadratic growth of the radiated power), then the radiation will be amplified exponentially. The last part of the wiggler will be tapered. We plan to study the evolution of the various radiation growth mechanisms as well as the coherence of the tripled and exponentially amplified radiation. 12 refs.
- Research Organization:
- Brookhaven National Lab., Upton, NY (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6009015
- Report Number(s):
- BNL-46682; CONF-9108118-36; ON: DE92005004
- Resource Relation:
- Conference: 13. international free-electron laser (FEL) conference, Santa Fe, NM (United States), 25-30 Aug 1991
- Country of Publication:
- United States
- Language:
- English
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42 ENGINEERING
FREE ELECTRON LASERS
DESIGN
AMPLIFICATION
BEAM BUNCHING
CARBON DIOXIDE LASERS
HARMONIC GENERATION
WIGGLER MAGNETS
BEAM DYNAMICS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
EQUIPMENT
FREQUENCY MIXING
GAS LASERS
LASERS
MAGNETS
430100* - Particle Accelerators- Design
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426002 - Engineering- Lasers & Masers- (1990-)