MIT microwiggler for free electron laser applications

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Description

A microwiggler-based FEL permits operation at shorter wavelengths with a reduction in the size and cost of the device. The MIT microwiggler is a pulsed ferromagnetic-core electromagnet with 70 periods of 8.8 mm each which generates an on-axis peak magnetic field of 4.2 kG. The pulse repetition rate is 0.5 Hz with FWHM 0.5 msec. The microwiggler is characterized by extensive tunability. We employed a novel tuning regimen through which the rms spread in peak amplitudes was reduced to 0.08 % the lowest ever achieved in a sub-cm period magnetic field. The microwiggler is a serviceable scientific apparatus: spontaneous emission ... continued below

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4 p.

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Catravas, P.; Stoner, R.; Blastos, J.; Sisson, D.; Mastovsky, I.; Bekefi, G. et al. July 1, 1995.

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Description

A microwiggler-based FEL permits operation at shorter wavelengths with a reduction in the size and cost of the device. The MIT microwiggler is a pulsed ferromagnetic-core electromagnet with 70 periods of 8.8 mm each which generates an on-axis peak magnetic field of 4.2 kG. The pulse repetition rate is 0.5 Hz with FWHM 0.5 msec. The microwiggler is characterized by extensive tunability. We employed a novel tuning regimen through which the rms spread in peak amplitudes was reduced to 0.08 % the lowest ever achieved in a sub-cm period magnetic field. The microwiggler is a serviceable scientific apparatus: spontaneous emission has been observed for wavelengths of 700--800 nm using a 40 MeV beam from the Accerator Test Facility LINAC at BNL.

Physical Description

4 p.

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OSTI as DE95015023

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  • 16. Institute of Electrical and Electronic Engineers (IEEE) particle accelerator conference, Dallas, TX (United States), 1-5 May 1995

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  • Other: DE95015023
  • Report No.: BNL--61957
  • Report No.: CONF-950512--266
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 91975
  • Archival Resource Key: ark:/67531/metadc792440

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  • July 1, 1995

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  • Dec. 19, 2015, 7:14 p.m.

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  • Jan. 6, 2016, 5:32 p.m.

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Catravas, P.; Stoner, R.; Blastos, J.; Sisson, D.; Mastovsky, I.; Bekefi, G. et al. MIT microwiggler for free electron laser applications, article, July 1, 1995; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc792440/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.