Multidimensional simulation studies of the SELENE FEL oscillator/buncher followed by a radiator/amplifier output scheme
- Authors
- Hahn, S.J.; Fawley, W.M.
- Issue Date
- Feb-1995
- Publisher
- Society of Photo-Optical Instrumentation Engineers, Bellingham, WA, United States
- Keywords
- free-electron lasers; oscillators; amplifiers; tapered wigglers; multi-stage devices; power beaming
- Citation
- Proceedings of SPIE - The International Society for Optical Engineering, v.2376, pp 116 - 124
- Pages
- 9
- Journal Title
- Proceedings of SPIE - The International Society for Optical Engineering
- Volume
- 2376
- Start Page
- 116
- End Page
- 124
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/59349
- ISSN
- 0277-786X
- Abstract
- We analyze and present numerical simulations of the so-called electron output scheme applied to the SELENE proposal of using a high power FEL to illuminate satellite solar cells. In this scheme, a first stage FEL oscillator bunches the electron beam while a second stage `radiator' extracts high power radiation. Our analysis suggests only in the case where the radiator employs a long, tapered undulator will the electron output scheme produce a significant increase in extraction efficiency over what is obtainable from a simple, single-stage oscillator, 1- and 2-D numerical simulations of a 1.7 μm FEL employing the electron output scheme show that large bunching fractions at the output of the oscillator stage but only approximately 1% extraction efficiency from the radiator stage.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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