The photo-injector option for CLIC: past experiments and future developments

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The Compact Linear Collider (CLIC) drive beam requires a long bunch train (92 us) consisting of 42880 bunches with a bunch charge of 17.5 nC in a bunch length of less than 20 ps. This train might be produced by an RF-photo-injector equipped with a Cs-Te cathode. After a short review of experience wi...

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Autores principales: Braun, Hans Heinrich, Chevallay, E, Hutchins, S, Legros, P, Suberlucq, Guy, Trautner, H, Ross, I N, Bente, E
Lenguaje:eng
Publicado: 2001
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/509020
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author Braun, Hans Heinrich
Chevallay, E
Hutchins, S
Legros, P
Suberlucq, Guy
Trautner, H
Ross, I N
Bente, E
author_facet Braun, Hans Heinrich
Chevallay, E
Hutchins, S
Legros, P
Suberlucq, Guy
Trautner, H
Ross, I N
Bente, E
author_sort Braun, Hans Heinrich
collection CERN
description The Compact Linear Collider (CLIC) drive beam requires a long bunch train (92 us) consisting of 42880 bunches with a bunch charge of 17.5 nC in a bunch length of less than 20 ps. This train might be produced by an RF-photo-injector equipped with a Cs-Te cathode. After a short review of experience with such cathodes in the present CLIC Test Facility (CTF2), mainly focused on the production of short trains of high-charge bunches, we will present the scheme foreseen for CLIC and CTF3. The laser will be a diode-pumped MOPA (Master Oscillator Power Amplifier), operating at a repetition rate of 469 MHz for CLIC and 1.5 GHz for CTF3. The specific requirements of an RF-gun for this high-current operation are discussed. New experimental results on the photocathode lifetime at high average current are summarized.
id cern-509020
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
record_format invenio
spelling cern-5090202023-08-17T09:45:02Zhttp://cds.cern.ch/record/509020engBraun, Hans HeinrichChevallay, EHutchins, SLegros, PSuberlucq, GuyTrautner, HRoss, I NBente, EThe photo-injector option for CLIC: past experiments and future developmentsAccelerators and Storage RingsThe Compact Linear Collider (CLIC) drive beam requires a long bunch train (92 us) consisting of 42880 bunches with a bunch charge of 17.5 nC in a bunch length of less than 20 ps. This train might be produced by an RF-photo-injector equipped with a Cs-Te cathode. After a short review of experience with such cathodes in the present CLIC Test Facility (CTF2), mainly focused on the production of short trains of high-charge bunches, we will present the scheme foreseen for CLIC and CTF3. The laser will be a diode-pumped MOPA (Master Oscillator Power Amplifier), operating at a repetition rate of 469 MHz for CLIC and 1.5 GHz for CTF3. The specific requirements of an RF-gun for this high-current operation are discussed. New experimental results on the photocathode lifetime at high average current are summarized.CERN-PS-2001-033-PPCLIC-Note-487oai:cds.cern.ch:5090202001-07-16
spellingShingle Accelerators and Storage Rings
Braun, Hans Heinrich
Chevallay, E
Hutchins, S
Legros, P
Suberlucq, Guy
Trautner, H
Ross, I N
Bente, E
The photo-injector option for CLIC: past experiments and future developments
title The photo-injector option for CLIC: past experiments and future developments
title_full The photo-injector option for CLIC: past experiments and future developments
title_fullStr The photo-injector option for CLIC: past experiments and future developments
title_full_unstemmed The photo-injector option for CLIC: past experiments and future developments
title_short The photo-injector option for CLIC: past experiments and future developments
title_sort photo-injector option for clic: past experiments and future developments
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/509020
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