Harmonic generation FEL magnets: measured b-fields compared to 3D simulations

The Harmonic Generation Free Electron Laser is a short period, high-gain amplifier FEL configured as an optical klystron. It is designed to lase at 3.47 /spl mu/m using a 30 MeV electron beam at the Accelerator Test Facility at BNL. Each of the three superconducting wiggler magnet sections (modulato...

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Bibliographic Details
Main Authors: Graves, W.S., Solomon, L.
Format: Conference Proceeding
Language:English
Subjects:
Electron optics
Free electron lasers
Frequency conversion
Magnetic field measurement
Magnets
Nonlinear optics
Optical amplifiers
Optical harmonic generation
Semiconductor optical amplifiers
Stimulated emission
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Summary:The Harmonic Generation Free Electron Laser is a short period, high-gain amplifier FEL configured as an optical klystron. It is designed to lase at 3.47 /spl mu/m using a 30 MeV electron beam at the Accelerator Test Facility at BNL. Each of the three superconducting wiggler magnet sections (modulator, dispersion, radiator) has been built and the magnetic fields have been measured. This paper compares the measurement results with three-dimensional nonlinear computer models created with the TOSCA code.
DOI:10.1109/PAC.1995.505240