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Initial beam-profiling tests with the NML prototype station at the Fermilab A0 Photoinjector | | A. Lumpkin
; R. Flora
; A.S. Johnson
; J. Ruan
; J. Santucci
; V. Scarpine
; Y.-E. Sun
; R. Thurman-Keup
; M. Church
; M. Wendt
; | | Date: |
21 Aug 2012 | | Abstract: | The beam-profile diagnostics station prototype for the superconducting rf
electron linac being constructed at Fermilab at the New Muon Lab has been
tested. The station uses intercepting radiation converter screens for the
low-power beam mode: either a 100-mu m thick YAG:Ce single crystal
scintillator or a 1-mu m thin Al optical transition radiation (OTR) foil. The
screens are oriented with the surface perpendicular to the beam direction. A
downstream mirror with its surface at 45 degrees to the beam direction is used
to direct the radiation into the optical transport. The optical system has
better than 20 (10) mu m rms spatial resolution when covering a vertical field
of view of 18 (5) mm. The initial tests were performed at the A0 Photoinjector
at a beam energy of ~15 MeV and with micropulse charges from 25 to 500 pC for
beam sizes of 45 to 250 microns. Example results will be presented. | | Source: | arXiv, 1208.4351 | | Services: | Forum | Review | PDF | Favorites | |
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