High-Power 35 GHz Testing Of A Free-Electron Laser And Two-Beam Accelerator Structures*

D. B Hopkins; R W Kuenning; F B Selph; A M Sessler; J C Clark; W M Fawley; T J Orzechowsk; A C. Paul; D Prosnitz; E T Scharlemann

doi:10.1117/12.938684

21 October 1986 High-Power 35 GHz Testing Of A Free-Electron Laser And Two-Beam Accelerator Structures*

D. B Hopkins, R W Kuenning, F B Selph, A M Sessler, J C Clark, W M Fawley, T J Orzechowsk, A C. Paul, D Prosnitz, E T Scharlemann

Author Affiliations +

Proceedings Volume 0664, High Intensity Laser Processes; (1986) https://doi.org/10.1117/12.938684
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

Abstract

At the Lawrence Livermore National Laboratory, a pulsed electromagnetic wiggler has been coupled to the Experimental Test Accelerator forming the Electron Laser Facility. This is a single-pass Free-Electron Laser which, because the wiggler excitation can be varied, can operate over a wide frequency range. Efficiency of conversion of electron beam to micro-wave power is 7%. This new power source is being used in a collateral program for deve-loping and testing structures suitable for a Two-Beam Accelerator. The Two-Beam Accelerator shows much promise for achieving the high average accelerating gradients, e.g., >250 MV/m, required in such next-generation electron accelerators as 1 TeV on 1 TeV linear colliders. In this paper, the results of recent tests characterizing the Free-Electron Laser are summarized. Also, progress in the fabrication and testing of key Two-Beam Accelerator hardware components are reviewed. Finally, Two-Beam Accelerator problem areas are discussed.

Citation Download Citation

D. B Hopkins, R W Kuenning, F B Selph, A M Sessler, J C Clark, W M Fawley, T J Orzechowsk, A C. Paul, D Prosnitz, and E T Scharlemann "High-Power 35 GHz Testing Of A Free-Electron Laser And Two-Beam Accelerator Structures*", Proc. SPIE 0664, High Intensity Laser Processes, (21 October 1986); https://doi.org/10.1117/12.938684

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