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Modulation frequencies are listed in [[MIFIOOInterfaces]]. == In-vac design considerations ==
 . [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10661 | Information from LIGO and VIRGO about in-vac PDs]]
 . [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10545 | PD feedthrough for ISS ]]
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== List for iKAGRA ==
PMC: fPMC sideband
FRC: fIMC sideband
IMC: fIMC sideband, with ASC
FPMI: f1 sideband, without ASC
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|| Name || Type || Ser. Num. || Location || Desctription ||
|| PMCR || RF PD || || PSL table || PMC reflection (fPMC, DC) ||
|| PMCT || DC PD || || PSL table || PMC transmission (DC) ||
|| RCR || DC PD || || PSL table || FRC reflection (DC) ||
|| RCT || RF PD || || PSL table || FRC transmission (fIMC, DC) ||
|| IP_A || DC QPD || || PSL table || input pointing to IMC (4xDC) ||
|| IP_B || DC QPD || || PSL table || input pointing to IMC (4xDC) ||
|| IMCR || RF PD || || IMC REFL table || IMC reflection (fIMC, DC) ||
|| IMCR_A || RF QPD || || IMC REFL table || IMC reflection WFS (4xfIMC, 4xDC) ||
|| IMCR_B || RF QPD || || IMC REFL table || IMC reflection WFS (4xfIMC, 4xDC) ||
|| IMCT || DC PD || || IMC TRANS table || IMC transmission (DC) ||
|| IMCR_A || RF QPD || || IMC TRANS table || IMC transmission pointing (4xDC) ||
|| IMCR_B || RF QPD || || IMC TRANS table || IMC transmission pointing (4xDC) ||
|| REFL || RF PD || || REFL table || FPMI reflection (f1, DC) ||
|| IMMT1T || DC PD || || pylon close to IMM chamber || IMMT1 transmission, power monitor (DC) ||
|| IMMT2T || RF PD || || IMMT2T table || IMMT2 transmission, power/RFAM monitor (f1, DC) ||
|| IMMT2T_A || DC QPD || || IMMT2T table || IMMT2 transmission, input pointing to FPMI (DC) ||
|| IMMT2T_B || DC QPD || || IMMT2T table || IMMT2 transmission, input pointing to FPMI (DC) ||
|| TRX || RF PD || || TRX table || ETMX transmission (f1, DC) ||
|| TRX_A || RF QPD || || TRX table || ETMX transmission pointing (4xDC) ||
|| TRX_B || RF QPD || || TRX table || ETMX transmission pointing (4xDC) ||
|| TRY || RF PD || || TRY table || ETMY transmission (f1, DC) ||
|| TRY_A || RF QPD || || TRY table || ETMY transmission pointing (4xDC) ||
|| TRY_B || RF QPD || || TRY table || ETMY transmission pointing (4xDC) ||
|| AS || RF PD || || AS table (temporary) || FPMI anti-symmetric (f1, DC) ||
== Types ==
||Name ||Schematics ||Description ||
||RF PD ([[KAGRA/Subgroups/MIF/AEL/Photodetectors/RFPDList|List]]) ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1280|JGW-D1201280]] ||For IR. Same schematic for both in-air and in-vac, but in different kind of box. ||
||DC PD ||[[http://www.thorlabs.co.jp/thorproduct.cfm?partnumber=PDA100A|Thorlabs PDA100A]] ||For IR, in-air. ||
||RF QPD ([[KAGRA/Subgroups/MIF/AEL/Photodetectors/RFQPDList|List]]) ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2631|JGW-D1402631]] ||For IR. Same schematic for both in-air and in-vac, but in different kind of box. ||
||DC QPD ([[KAGRA/Subgroups/AOS/DCQPDList|List]], [[KAGRA/Subgroups/AOS/DCQPDDriverList|Driver List]]) ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2411|JGW-D1402411]] ||For IR, in-air (same as oplev QPD for now). ||
||RF PD for green ||([[https://dcc.ligo.org/LIGO-D1002969/public|LIGO-D1002969]]) ||For green, in-air (could be BB). ||
||DC PD for green ||[[http://www.thorlabs.co.jp/thorproduct.cfm?partnumber=PDA100A|Thorlabs PDA100A]] ||For green, in-air (same for IR for now). ||
||DC QPD for green ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2411|JGW-D1402411]] ||For green, in-air (same for IR for now). ||
||DC PD in vacuum ||([[https://dcc.ligo.org/LIGO-D1101059|LIGO-D1101059]]) ||For IR, in-vac. ||
||DC QPD in vacuum ||([[https://dcc.ligo.org/LIGO-T0900423/public|LIGO-T0900423]]) ||For IR, in-vac, bare QPD without amplifier. ||
||DC QPD in vacuum for green ||([[https://dcc.ligo.org/LIGO-T0900423/public|LIGO-T0900423]]) ||For green, in-vac, bare QPD without amplifier. ||
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== List for bKAGRA ==
== List ==
See [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2986|JGW-D1402986]] for location of photodetectors. See [[https://docs.google.com/spreadsheets/d/1EcuZOQP8yrD3s7no9PPGSxSD0V3NGAFvx799IeWH-1U/|this Google spreadsheet]] for list of photodetectors.

 * Modulation frequencies are listed in [[MIFIOOInterfaces]].

 * iKAGRA configuration (PMC: fPMC sideband / FRC: fIMC sideband / IMC: fIMC sideband, with ASC / 3-km MI: f1 sideband, without ASC / no ISS)

 * bKAGRA configuration (PMC: fPMC sideband / FRC: fIMC sideband / IMC: fIMC sideband, with ASC / DRFPMI: f1,f2,f3 sidebands, with ASC / ALS: fALSX,fALSY sidebands, without ASC / with ISS)

For aLIGO, PD/QPDs below are in vacuum (see [[https://dcc.ligo.org/LIGO-T1000264/public|LIGO-T1000264]]).

 * RF PDs for REFL, POP, AS

 * RF QPDs for REFL, AS

 * DC QPDs for MC2TRANS, POP, TRX, TRY, OMC (they don't have in air versions)

Photodetectors

In-vac design considerations

Types

Name

Schematics

Description

RF PD (List)

JGW-D1201280

For IR. Same schematic for both in-air and in-vac, but in different kind of box.

DC PD

Thorlabs PDA100A

For IR, in-air.

RF QPD (List)

JGW-D1402631

For IR. Same schematic for both in-air and in-vac, but in different kind of box.

DC QPD (List, Driver List)

JGW-D1402411

For IR, in-air (same as oplev QPD for now).

RF PD for green

(LIGO-D1002969)

For green, in-air (could be BB).

DC PD for green

Thorlabs PDA100A

For green, in-air (same for IR for now).

DC QPD for green

JGW-D1402411

For green, in-air (same for IR for now).

DC PD in vacuum

(LIGO-D1101059)

For IR, in-vac.

DC QPD in vacuum

(LIGO-T0900423)

For IR, in-vac, bare QPD without amplifier.

DC QPD in vacuum for green

(LIGO-T0900423)

For green, in-vac, bare QPD without amplifier.

List

See JGW-D1402986 for location of photodetectors. See this Google spreadsheet for list of photodetectors.

  • Modulation frequencies are listed in MIFIOOInterfaces.

  • iKAGRA configuration (PMC: fPMC sideband / FRC: fIMC sideband / IMC: fIMC sideband, with ASC / 3-km MI: f1 sideband, without ASC / no ISS)
  • bKAGRA configuration (PMC: fPMC sideband / FRC: fIMC sideband / IMC: fIMC sideband, with ASC / DRFPMI: f1,f2,f3 sidebands, with ASC / ALS: fALSX,fALSY sidebands, without ASC / with ISS)

For aLIGO, PD/QPDs below are in vacuum (see LIGO-T1000264).

  • RF PDs for REFL, POP, AS
  • RF QPDs for REFL, AS
  • DC QPDs for MC2TRANS, POP, TRX, TRY, OMC (they don't have in air versions)

KAGRA/Subgroups/MIF/AEL/Photodetectors (last edited 2019-08-29 09:02:13 by KiwamuIzumi)