LHC Crab Cavity Coupler Test Boxes

The LHC double quarter wave (DQW) crab cavities have two different types of Higher Order Mode (HOM) couplers in addition to a fundamental power coupler (FPC). The FPC requires conditioning, so to achieve this we have designed a radio-frequency (RF) quarter wave resonator to provide high transmission...

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Autores principales: Mitchell, James, Apsimon, Robert, Burt, Graeme, Calaga, Rama, Macpherson, Alick, Montesinos, Eric, Silva, Subashini, Tutte, Adam, Xiao, Binping
Lenguaje:eng
Publicado: 2016
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2016-WEPMB058
http://cds.cern.ch/record/2207399
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author Mitchell, James
Apsimon, Robert
Burt, Graeme
Calaga, Rama
Macpherson, Alick
Montesinos, Eric
Silva, Subashini
Tutte, Adam
Xiao, Binping
author_facet Mitchell, James
Apsimon, Robert
Burt, Graeme
Calaga, Rama
Macpherson, Alick
Montesinos, Eric
Silva, Subashini
Tutte, Adam
Xiao, Binping
author_sort Mitchell, James
collection CERN
description The LHC double quarter wave (DQW) crab cavities have two different types of Higher Order Mode (HOM) couplers in addition to a fundamental power coupler (FPC). The FPC requires conditioning, so to achieve this we have designed a radio-frequency (RF) quarter wave resonator to provide high transmission between two opposing FPCs. For the HOM couplers we must ensure that the stop-band filter is positioned at the cavity frequency and that peak transmission occurs at the same frequencies as the strongest HOMs. We have designed two test boxes which preserve the cavity spectral response in order to test the couplers.
id oai-inspirehep.net-1470165
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
record_format invenio
spelling oai-inspirehep.net-14701652022-08-10T12:51:55Zdoi:10.18429/JACoW-IPAC2016-WEPMB058http://cds.cern.ch/record/2207399engMitchell, JamesApsimon, RobertBurt, GraemeCalaga, RamaMacpherson, AlickMontesinos, EricSilva, SubashiniTutte, AdamXiao, BinpingLHC Crab Cavity Coupler Test BoxesAccelerators and Storage RingsThe LHC double quarter wave (DQW) crab cavities have two different types of Higher Order Mode (HOM) couplers in addition to a fundamental power coupler (FPC). The FPC requires conditioning, so to achieve this we have designed a radio-frequency (RF) quarter wave resonator to provide high transmission between two opposing FPCs. For the HOM couplers we must ensure that the stop-band filter is positioned at the cavity frequency and that peak transmission occurs at the same frequencies as the strongest HOMs. We have designed two test boxes which preserve the cavity spectral response in order to test the couplers.CERN-ACC-2016-226oai:inspirehep.net:14701652016
spellingShingle Accelerators and Storage Rings
Mitchell, James
Apsimon, Robert
Burt, Graeme
Calaga, Rama
Macpherson, Alick
Montesinos, Eric
Silva, Subashini
Tutte, Adam
Xiao, Binping
LHC Crab Cavity Coupler Test Boxes
title LHC Crab Cavity Coupler Test Boxes
title_full LHC Crab Cavity Coupler Test Boxes
title_fullStr LHC Crab Cavity Coupler Test Boxes
title_full_unstemmed LHC Crab Cavity Coupler Test Boxes
title_short LHC Crab Cavity Coupler Test Boxes
title_sort lhc crab cavity coupler test boxes
topic Accelerators and Storage Rings
url https://dx.doi.org/10.18429/JACoW-IPAC2016-WEPMB058
http://cds.cern.ch/record/2207399
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AT burtgraeme lhccrabcavitycouplertestboxes
AT calagarama lhccrabcavitycouplertestboxes
AT macphersonalick lhccrabcavitycouplertestboxes
AT montesinoseric lhccrabcavitycouplertestboxes
AT silvasubashini lhccrabcavitycouplertestboxes
AT tutteadam lhccrabcavitycouplertestboxes
AT xiaobinping lhccrabcavitycouplertestboxes

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