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Optical Diffraction Radiation from a beam off a circular target

Document #:
LARP-doc-711-v1
Document type:
Note
Submitted by:
Tanaji Sen
Updated by:
Tanaji Sen
Document Created:
17 Apr 2008, 10:28
Contents Revised:
17 Apr 2008, 10:28
Metadata Revised:
17 Apr 2008, 10:28
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Abstract:
We calculate the optical diffraction radiation generated by a bunch of high energy particles as they pass through a round hole within an annular metallic ring. We derive expressions for the differential angular
spectrum in the far-field and the intensities of the horizontal and vertical polarizations.
The sensitivity of the spectrum to changes in beam size and position is shown. The total photon yield from the bunch is calculated and used to set limits on the detectable wavelengths.
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Keywords:
instrumentation
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