First Results from Commissioning of the Phin Photo Injector for CTF3

Installation of the new photo-injector for the CTF3 drive beam (PHIN) has been completed on a stand-alone test bench. The photo-injector operates with a 2.5 cell RF gun at 3 GHz, using a Cs2Te photocathode illuminated by a UV laser beam. The test bench is equipped with transverse beam diagnostic as...

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Autores principales: Petrarca, M, Braun, H H, Chevallay, E, Doebert, S, Elsener, K, Fedosseev, V, Geschonke, G, Losito, R, Masi, A, Mete, O, Rinolfi, L, Dabrowski, A, Divall, M, Champault, N, Bienvenu, G, Jore, M, Mercier, B M, Prevost, C, Roux, R, Vicario, C
Lenguaje:eng
Publicado: 2009
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1226775
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author Petrarca, M
Braun, H H
Chevallay, E
Doebert, S
Elsener, K
Fedosseev, V
Geschonke, G
Losito, R
Masi, A
Mete, O
Rinolfi, L
Dabrowski, A
Divall, M
Champault, N
Bienvenu, G
Jore, M
Mercier, B M
Prevost, C
Roux, R
Vicario, C
author_facet Petrarca, M
Braun, H H
Chevallay, E
Doebert, S
Elsener, K
Fedosseev, V
Geschonke, G
Losito, R
Masi, A
Mete, O
Rinolfi, L
Dabrowski, A
Divall, M
Champault, N
Bienvenu, G
Jore, M
Mercier, B M
Prevost, C
Roux, R
Vicario, C
author_sort Petrarca, M
collection CERN
description Installation of the new photo-injector for the CTF3 drive beam (PHIN) has been completed on a stand-alone test bench. The photo-injector operates with a 2.5 cell RF gun at 3 GHz, using a Cs2Te photocathode illuminated by a UV laser beam. The test bench is equipped with transverse beam diagnostic as well as a 90-degree spectrometer. A grid of 100 micrometer wide slits can be inserted for emittance measurements. The laser used to trigger the photo-emission process is a Nd:YLF system consisting of an oscillator and a preamplifier operating at 1.5 GHz and two powerful amplifier stages. The infrared radiation produced is frequency quadrupled in two stages to obtain the UV. A Pockels cell allows adjusting the length of the pulse train between 50 nanoseconds and 50 microseconds. The nominal train length for CTF3 is 1.272 microseconds (1908 bunches). The first electron beam in PHIN was produced in November 2008. In this paper, results concerning the operation of the laser system and measurements performed to characterize the electron beam are presented.
id cern-1226775
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2009
record_format invenio
spelling cern-12267752023-07-20T15:01:24Zhttp://cds.cern.ch/record/1226775engPetrarca, MBraun, H HChevallay, EDoebert, SElsener, KFedosseev, VGeschonke, GLosito, RMasi, AMete, ORinolfi, LDabrowski, ADivall, MChampault, NBienvenu, GJore, MMercier, B MPrevost, CRoux, RVicario, CFirst Results from Commissioning of the Phin Photo Injector for CTF3Accelerators and Storage RingsInstallation of the new photo-injector for the CTF3 drive beam (PHIN) has been completed on a stand-alone test bench. The photo-injector operates with a 2.5 cell RF gun at 3 GHz, using a Cs2Te photocathode illuminated by a UV laser beam. The test bench is equipped with transverse beam diagnostic as well as a 90-degree spectrometer. A grid of 100 micrometer wide slits can be inserted for emittance measurements. The laser used to trigger the photo-emission process is a Nd:YLF system consisting of an oscillator and a preamplifier operating at 1.5 GHz and two powerful amplifier stages. The infrared radiation produced is frequency quadrupled in two stages to obtain the UV. A Pockels cell allows adjusting the length of the pulse train between 50 nanoseconds and 50 microseconds. The nominal train length for CTF3 is 1.272 microseconds (1908 bunches). The first electron beam in PHIN was produced in November 2008. In this paper, results concerning the operation of the laser system and measurements performed to characterize the electron beam are presented.CERN-ATS-2009-134CLIC-Note-802oai:cds.cern.ch:12267752009-04-15
spellingShingle Accelerators and Storage Rings
Petrarca, M
Braun, H H
Chevallay, E
Doebert, S
Elsener, K
Fedosseev, V
Geschonke, G
Losito, R
Masi, A
Mete, O
Rinolfi, L
Dabrowski, A
Divall, M
Champault, N
Bienvenu, G
Jore, M
Mercier, B M
Prevost, C
Roux, R
Vicario, C
First Results from Commissioning of the Phin Photo Injector for CTF3
title First Results from Commissioning of the Phin Photo Injector for CTF3
title_full First Results from Commissioning of the Phin Photo Injector for CTF3
title_fullStr First Results from Commissioning of the Phin Photo Injector for CTF3
title_full_unstemmed First Results from Commissioning of the Phin Photo Injector for CTF3
title_short First Results from Commissioning of the Phin Photo Injector for CTF3
title_sort first results from commissioning of the phin photo injector for ctf3
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/1226775
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