A high-average power tapered FEL amplifier at submillimeter frequencies using sheet electron beams and short-period wigglers
A high-average-power FEL amplifier operating at submillimeter frequencies is under development at the University of Maryland. Program goals are to produce a CW, {approximately}1 MW, FEL amplifier source at frequencies between 280 GHz and 560 GHz. To this end, a high-gain, high-efficiency, tapered FEL amplifier using a sheet electron beam and a short-period (superconducting) wiggler has been chosen. Development of this amplifier is progressing in three stages: (1) beam propagation through a long length ({approximately}1 m) of short period ({lambda}{sub {omega}} = 1 cm) wiggler, (2) demonstration of a proof-of-principle amplifier experiment at 98 GHz, and (3) designs of a superconducting tapered FEL amplifier meeting the ultimate design goal specifications. 17 refs., 1 fig., 1 tab.
- Research Organization:
- Maryland Univ., College Park, MD (USA). Lab. for Plasma Research
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- FG05-87ER52147
- OSTI ID:
- 6037377
- Report Number(s):
- CONF-9009166-19; ON: DE91008319; TRN: 91-006840
- Resource Relation:
- Conference: 12. international free electron laser conference (FEL-12), Paris (France), 17-21 Sep 1990
- Country of Publication:
- United States
- Language:
- English
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