High field pulsed microwiggler comprising a conductive tube with periodically space slots
Abstract
A microwiggler assembly produces large magnetic fields for oscillating charged particle beams, particularly electron beams for free electron laser (FEL) application. A tube of electrically conductive material is formed with radial slots axially spaced at the period of the electron beam. The slots have alternate 180[degree] relationships and are formed to a maximum depth of 0.6 to 0.7 times the tube circumference. An optimum slot depth is selected to eliminate magnetic quadrupole fields within the microwiggler as determined from a conventional pulsed wire technique. Suitable slot configurations include single slits, double slits, triple slits, and elliptical slots. An axial electron beam direction is maintained by experimentally placing end slits adjacent entrance and exit portions of the assembly, where the end slit depth is determined by use of the pulsed wire technique outside the tube. 10 figs.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 7205094
- Patent Number(s):
- 5144193
- Application Number:
- PPN: US 7-623866
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 7 Dec 1990
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; FREE ELECTRON LASERS; WIGGLER MAGNETS; DESIGN; ELECTRIC CONDUCTORS; SIZE; ELECTRICAL EQUIPMENT; ELECTROMAGNETS; EQUIPMENT; LASERS; MAGNETS; 426002* - Engineering- Lasers & Masers- (1990-)
Citation Formats
Warren, R W. High field pulsed microwiggler comprising a conductive tube with periodically space slots. United States: N. p., 1992.
Web.
Warren, R W. High field pulsed microwiggler comprising a conductive tube with periodically space slots. United States.
Warren, R W. Tue .
"High field pulsed microwiggler comprising a conductive tube with periodically space slots". United States.
@article{osti_7205094,
title = {High field pulsed microwiggler comprising a conductive tube with periodically space slots},
author = {Warren, R W},
abstractNote = {A microwiggler assembly produces large magnetic fields for oscillating charged particle beams, particularly electron beams for free electron laser (FEL) application. A tube of electrically conductive material is formed with radial slots axially spaced at the period of the electron beam. The slots have alternate 180[degree] relationships and are formed to a maximum depth of 0.6 to 0.7 times the tube circumference. An optimum slot depth is selected to eliminate magnetic quadrupole fields within the microwiggler as determined from a conventional pulsed wire technique. Suitable slot configurations include single slits, double slits, triple slits, and elliptical slots. An axial electron beam direction is maintained by experimentally placing end slits adjacent entrance and exit portions of the assembly, where the end slit depth is determined by use of the pulsed wire technique outside the tube. 10 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Sep 01 00:00:00 EDT 1992},
month = {Tue Sep 01 00:00:00 EDT 1992}
}