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The effect of space charge fields due to finite length electron beams in the free-electron laserThe space charge electric field of a finite length electron beam in the free electron laser amplifier with a tapered wiggler is analyzed. In the free drift region between the accelerator and laser, expressions for the increase of energy spread due to the self field are presented. In the FEL interaction region, the general conditions on the importance of the self electric field in the equations of motion is obtained. A numerical example of the FEL experiment at 10.6 microns is given.
Document ID
19830049901
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Tang, C.-M. (Naval Research Lab. Washington, DC, United States)
Sprangle, P. (U.S. Navy, Naval Research Laboratory, Washington DC, United States)
Freund, H. (U.S. Navy, Naval Research Laboratory, Washington, DC; Science Applications, Inc. McLean, VA, United States)
Colson, W. (U.S. Navy, Naval Research Laboratory, Washington, DC; California, University Santa Barbara, CA, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1982
Subject Category
Lasers And Masers
Accession Number
83A31119
Funding Number(s)
CONTRACT_GRANT: DARPA ORDER 3817
CONTRACT_GRANT: NAG2-48
CONTRACT_GRANT: AF-AFOSR-81-0061
Distribution Limits
Public
Copyright
Other

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