NDLI: Integration of the Optical Replica Ultrashort Electron Bunch Diagnostics with the High-resolution Coherent Optical Transition Radiation Imager

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Integration of the Optical Replica Ultrashort Electron Bunch Diagnostics with the High-resolution Coherent Optical Transition Radiation Imager

Content Provider	Semantic Scholar
Author	Geloni, Gianluca Ilinski, Petr Saldin, E. Schneidmiller, Evgeny A. Yurkov, Mikhail
Copyright Year	2009
Abstract	Electron bunch imagers based on incoherent OTR constitute the main device presently available for the characterization of ultrashort electron bunches in the transverse direction. One difficulty to obtain high-resolution images is related with the very peculiar particle-spread function of OTR radiation, which has a large width compared to the usual point-spread function of a point-like source. In this contribution we explore the possibility of using coherent OTR instead of incoherent OTR radiation, by integrating an ORS setup with a high-resolution coherent optical transition radiation imager. Electron bunches are modulated at optical wavelengths in the ORS setup. When these electron bunches pass through a metal foil target, coherent radiation pulses of tens MW power are generated. It is thereafter possible to exploit the large number of available coherent photons. In particular we manipulate the particle spread function of the system, so that the imaging problem can be reduced to the usual (coherent or incoherent) imaging theory for point-like radiators. These proceedings are based on the article [1], to which we address the interested reader for further information and references.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://accelconf.web.cern.ch/accelconf/FEL2009/papers/wepc46.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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