Microfabricated wire scanner for photon beam characterization

A sensitive, accurate, and real-time measurement of the photon beam profile is a crucial issue in synchrotron radiation experiments. Most common solutions include the use of insulated wires and phosphorescent materials with remote (in atmosphere) TV cameras. To face this request we designed and real...

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Bibliographic Details
Published inJournal of instrumentation Vol. 13; no. 3; p. C03037
Main Authors Greco, S., Giglia, A., Malvezzi, M., Nannarone, S., DalZilio, S., Lazzarino, M.
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 23.03.2018
Subjects
Phosphorescence
Photoelectric emission
Photon beams
Photons
Sample holders
Synchrotron radiation
Wire
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Summary:A sensitive, accurate, and real-time measurement of the photon beam profile is a crucial issue in synchrotron radiation experiments. Most common solutions include the use of insulated wires and phosphorescent materials with remote (in atmosphere) TV cameras. To face this request we designed and realized a micro-fabricated wire scanner fully UHV compatible, based on electrons photoemission under UV-X irradiation, suitable for in situ/on line beam characterization. The device provides micrometer accuracy, is compatible with most end-station sample holders, is easy to operate providing the requested information in a matter of minutes.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/13/03/C03037