Electron beam dynamics for the ISIS bremsstrahlung beam generation system
Name
823867037-MIT.pdf
Description
Full printable version
Size
32.74 MB
Format
Adobe PDF
Checksum (MD5)
ecc08c241bad3e7342d98ded66f0844f
Author(s)
Block, Robert E. (Robert Edward)
Advisor(s)
Timothy A Antaya.
Alternative Title
Electron beam dynamics for the Integrated Stand-off Inspection System bremsstrahlung beam generation system
Date Issued
2011
Publisher
Massachusetts Institute of Technology
Abstract
An electron beam transport system was designed for use in the Bremsstrahlung Beam Generation System of the Integrated Stand-off Inspection System (ISIS). The purpose of this electron transport system was to provide for electron beam diagnostics and energy selection while also positioning the electron beam on a target down range. The transport system and its component magnets were designed using the TRANSPORT, Poisson, and Opera 3D codes, as well as several custom Python scripts. By implementing several methods in each part of the design process, it was possible to design the electron transport system to the exact specifications of the ISIS electron beam. This careful and iterative design process was documented in such a way to facilitate future beam transport design both at the MIT Plasma Science and Fusion center and elsewhere. This design process resulted in a beam transport system composed of three irondominated resistive-coil electromagnets. The system was designed for beam momentum up to 60 MeV/c and emittance of order 20 mm-mrad. Through magnetic field simulation and beam transport in 3D, a ID matrix code which tracks individual particles was developed. This code agreed with more detailed beam calculations and should allow for rapid beam simulation during system testing and operation.
Description
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2011.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 177-179).
Subjects
Nuclear Science and Engineering.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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