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Title: FEL gain as a function of phace displacements induced by undulator intersection gaps

Abstract

Gain characteristics are analytically considered for FEL based on a multisection undulator with short intersection gaps. It is shown that small phase displacements between laser beam and electron beam respectively caused by the above intersection gaps can seriously change the gain resonance frequency as well as gain curve shape. This effect is different from that of OK and can be used for fast undulator tuning or for its tapering. Gain characteristics are analitically considered for FEL based on a multisection undulator with short intersection gaps. It is shown that small phase displacements between laser beam and electron beam respectively caused by the above intersection gaps can seriously change the gain resonance frequency as well as gain curve shape. This effect is different from that of OK and can be used for fast undulator tuning or for its tapering.

Authors:
 [1]
  1. Kurchatov Institute, Moscow (Russian Federation)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
OSTI Identifier:
238854
Report Number(s):
BNL-61982-Absts.; CONF-9508156-Absts.
ON: DE96002729; TRN: 96:013344
Resource Type:
Conference
Resource Relation:
Conference: 17. international free electron laser conference, New York, NY (United States), 21-25 Aug 1995; Other Information: PBD: [1995]; Related Information: Is Part Of 17th international free electron laser conference and 2nd international FEL users` workshop. Program and abstracts; PB: 300 p.
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; FREE ELECTRON LASERS; GAIN; WIGGLER MAGNETS; TUNING

Citation Formats

Varfolomeev, A A. FEL gain as a function of phace displacements induced by undulator intersection gaps. United States: N. p., 1995. Web.
Varfolomeev, A A. FEL gain as a function of phace displacements induced by undulator intersection gaps. United States.
Varfolomeev, A A. 1995. "FEL gain as a function of phace displacements induced by undulator intersection gaps". United States. https://www.osti.gov/servlets/purl/238854.
@article{osti_238854,
title = {FEL gain as a function of phace displacements induced by undulator intersection gaps},
author = {Varfolomeev, A A},
abstractNote = {Gain characteristics are analytically considered for FEL based on a multisection undulator with short intersection gaps. It is shown that small phase displacements between laser beam and electron beam respectively caused by the above intersection gaps can seriously change the gain resonance frequency as well as gain curve shape. This effect is different from that of OK and can be used for fast undulator tuning or for its tapering. Gain characteristics are analitically considered for FEL based on a multisection undulator with short intersection gaps. It is shown that small phase displacements between laser beam and electron beam respectively caused by the above intersection gaps can seriously change the gain resonance frequency as well as gain curve shape. This effect is different from that of OK and can be used for fast undulator tuning or for its tapering.},
doi = {},
url = {https://www.osti.gov/biblio/238854}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Dec 31 00:00:00 EST 1995},
month = {Sun Dec 31 00:00:00 EST 1995}
}

Conference:
Other availability
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