= List of DC QPDs =
This is a list of DC QPDs ([[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2411|JGW-D1402411]]).

See [[KAGRA/Subgroups/AOS/DCQPDDriverList|DCQPDDriverList page]] for list of DC QPD Drivers (15pin Universal Whitening Filter).

See [[KAGRA/Subgroups/MIF/AEL/Photodetectors|Photodetectors page]] for other lists of photodetectors.

''Where did iKAGRA BS, PR3, ETMs oplev QPDs go? What are their SN?''
== Version 1 ==
||Board SN ||JGW SN ||Current Place ||Confirmed Date ||
||001 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2556|JGW-S1402556]] ||Broken (male Dsub connector); Kept by Kamiizumi-san ||2017.1.20 (Kamiizumi, Akutsu) ||
||002 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2557|JGW-S1402557]] ||AOS Black Tool Box at center area now; was in a plastic box at the side of IMC ||2016.12.22(Akutsu) ||
||003 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2558|JGW-S1402558]] ||Dsub connector swapped from male to female; Kept by Kamiizumi-san ||2017.1.20 (Kamiizumi, Akutsu) ||
||004 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2559|JGW-S1402559]] ||MCe Oplev ||2016.11.28 (Michimura) ||
||005 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2550|JGW-S1402560]] ||TAMA West End (Had been used by Sekiguchi) ||2016.12.22(Fujii) ||
||006 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4098|JGW-S1404098]] ||Electronics Lab at Mozumi, fixed to a carton board for testing...? ||2016.12.21(Akutsu, Okutomi) ||
||007 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4115|JGW-S1404115]] ||Plastic box in Xend 2016.12.21(Akutsu) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4548|ETMX tilt oplev]] ||2018.03.23(Akutsu) ||
||008 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4116|JGW-S1404116]] ||Used for PR3, now stocked at PR3 booth ||2016.12.21(Akutsu, Shoda) ||
||009 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4117|JGW-S1404117]] ||iKAGRA IMMT1T, STORED IN PSL DESICCATOR ||2018.09.06 KK ||
||010 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4118|JGW-S1404118]] ||PSL desiccator ||2018/9/5 KK ||
||011 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4119|JGW-S1404119]] ||Electronics Lab at Mozumi ||2016.11.28 (Michimura) ||
||012 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4120|JGW-S1404120]] ||Electronics Lab at Mozumi ||2016.11.28 (Michimura) ||
||013 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4121|JGW-S1404121]] ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4589|TMSY optical bench]] ||2018.03.29 (Nagano) ||
||014 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4122|JGW-S1404122]] ||IMMT1 oplev ||2018.09.04 (Michimura) ||
||015 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4123|JGW-S1404123]] ||IMMT2 oplev ||2018.09.04 (Michimura) ||
||016 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4124|JGW-S1404124]] ||AOS Black Tool Box at center area -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=3934|ETMY Marionette oplev (2018.01.12 (Akutsu))]] -> ETMX Marionette oplev(2018.06.21 Miyamoto) ||2018.06.21 Miyamoto ||
||017 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4125|JGW-S1404125]] ||SR3 TILT !OpLev ||2018.07.26 (Mark) ||
||018 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4126|JGW-S1404126]] ||Used at Toyama U ||2017.1.19 (Doi->Michimura) ||
||019 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4127|JGW-S1404127]] ||Used at Toyama U ||2017.1.19 (Doi-->Michimura) ||
||020 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4128|JGW-S1404128]] ||Electronics Lab at Mozumi ||2016.11.28 (Michimura) ||
||021 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4129|JGW-S1404129]] ||Electronics Lab at Mozumi ||2016.11.28 (Michimura) ||
||022 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4130|JGW-S1404130]] ||Kamioka, in the mine||2019.07.31 (Akutsu) ||
||023 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4131|JGW-S1404131]] ||TMSY-IR||2019.07.31 (Akutsu) ||
||024 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4132|JGW-S1404132]] ||IMMT1T QPD1 ||2018.09.04 (Michimura) ||
||025 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4133|JGW-S1404133]] ||IMMT1T QPD2 ||2018.09.04 (Michimura) ||
||026 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4134|JGW-S1404134]] ||MCi Oplev ||2016.11.28 (Kokeyama) ||
||027 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4135|JGW-S1404135]] ||MCo Oplev ||2016.11.28 (Kokeyama) ||
||028 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4136|JGW-S1404136]] ||Plastic box in Yend ||2016.12.20 (Akutsu) ||
||029 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4137|JGW-S1404137]] ||Plastic box in Yend ||2016.12.20 (Akutsu) ||
||030 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4138|JGW-S1404138]] ||Damaged; AOS Black Tool Box at center area ||2016.11.28 (Michimura), see [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=1409|klog #1409]] ||
||031 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4139|JGW-S1404139]] ||BS LEN oplev ||2018.07.26 (Mark) ||
||032 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4140|JGW-S1404140]] ||IYC TM oplev ||2018.01.25 (Akutsu) ||
||033 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4141|JGW-S1404141]] ||AOS rack in the Center Room ||2018.01.25 (Akutsu) ||
||034 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4142|JGW-S1504142]] ||ETMY rack at 1st floor, installed for baffle PDs ||2018.1.17 (Izumi/Ushiba/Miyamoto), [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=3958|klog3958]] ||
||035 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4143|JGW-S1404143]] ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4589|TMSY optical bench]] ||2018.03.29 (Nagano) ||
||036 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4144|JGW-S1404144]] ||Fixed to length-sensing QPD stage at X-end ||2018.03.26 (Simon) ||
||037 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4145|JGW-S1404145]] ||TMSY for IR ||2019.07.31 (Akutsu) ||
||038 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4146|JGW-S1404146]] ||SR3 LEN !OpLev ||2018.08.23 (Mark) ||
||039 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4147|JGW-S1404147]] ||SR cleanbooth; reserved for SRM ||2018.12.17 (Mark) ||
||040 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4148|JGW-S1404148]] ||PSL IP QPD ||2018.9.5 KK ||
||041 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4149|JGW-S1404149]] ||PSL IP QPD ||2018.9.5 KK ||
||042 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4150|JGW-S1404150]] ||Electronics Lab at Mozumi ||2016.11.28 (Michimura) ||
||043 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4151|JGW-S1404151]] ||Electronics Lab at Mozumi ||2016.11.28 (Michimura) ||
||044 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4152|JGW-S1404152]] ||BS TILT oplev ||2018.07.26 (Mark) ||
||045 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4153|JGW-S1404153]] ||AOS Black Tool Box at center area ||2016.11.28 (Michimura) ||

== Version 2 ==
||Board SN ||JGW SN ||Current Place ||Confirmed Date ||
||1709001 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7229|JGW-S1707229]] ||ETMX rack at 1st floor, to be installed for baffle PDs ||2018.3.23 (Izumi) [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4526|klog 4526]] ||
||1709002 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7230|JGW-S1707230]] ||TMSX GR QPD1 ||2018.10.10 (Michimura) ||
||1709003 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7231|JGW-S1707231]] ||TMSX GR QPD2 ||2018.10.10 (Michimura) ||
||1709004 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7232|JGW-S1707232]] ||TMSX IR QPD1 ||2018.10.10 (Michimura) ||
||1709005 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7233|JGW-S1707233]] ||TMSX IR QPD2 ||2018.10.10 (Michimura) ||
||1709006 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7234|JGW-S1707234]] ||Brought to EXT, stored in the dessicator on TMSX table, to be used for TMSX VIS oplev ||2018.10.10 (Michimura) ||
||1709007 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7235|JGW-S1707235]] ||Electronics Lab at Mozumi(2018.10.10) -> AOS's storage box ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=13943|20200401]])||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709008 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7236|JGW-S1707236]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709009 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7237|JGW-S1707237]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709010 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7238|JGW-S1707238]] ||Electronics Lab at Mozumi ||2018.10.10  (Michimura,Shimode,Tomura,Kamiizumi)||
||1709011 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7239|JGW-S1707240]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709012 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7240|JGW-S1707240]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709013 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7241|JGW-S1707241]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709014 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7242|JGW-S1707242]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709015 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7243|JGW-S1707243]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709016 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7244|JGW-S1707244]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709017 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7245|JGW-S1707245]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709018 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7246|JGW-S1707246]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709019 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7247|JGW-S1707247]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709020 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7248|JGW-S1707248]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709021 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7249|JGW-S1707249]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709022 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7250|JGW-S1707240]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709023 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7251|JGW-S1707251]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709024 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7252|JGW-S1707252]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709025 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7253|JGW-S1707253]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709026 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7254|JGW-S1707254]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||
||1709027 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7255|JGW-S1707255]] ||SR2 Cleanbooth; SR2 LEN !OpLev ||2018.12.13 (Mark, Enzo) ||
||1709028 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7256|JGW-S1707256]] || SR2 Cleanbooth; SR2 TILT !OpLev|| 2018.12.13 (Mark, Enzo) ||
||1709029 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7257|JGW-S1707257]] || SRM Cleanbooth (reserved for SRM LEN)  || 2018.11.22 (Mark, Enzo) ||
||1709030 ||[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7258|JGW-S1707258]] ||Electronics Lab at Mozumi ||2018.10.10 (Michimura,Shimode,Tomura,Kamiizumi) ||




== By subsystems ==
Quantity needed for each subsystem.
||Subsystem ||Qty ||Description ||
||IMC oplevs ||3 ||MCi, MCo, MCe ||
||VIS(oplevs) ||16 ||IMMT1, IMMT2, 2xPRM, 2xPR2, 2xPR3, 2xBS, 2xSR3, 2xSR2, 2xSRM (including length sensing oplevs) ||
||CRYp ||16 ||4 (TM, IM, long TM, and possibly for platform?) for each ITM/ETM ||
||TMS oplev ||2 ||1 per TMS ||
||ISC(IOO+MIF) ||16 ||12 for IR, 4 for green, including TRX/TRY QPDs in-air (see [[https://docs.google.com/spreadsheets/d/1EcuZOQP8yrD3s7no9PPGSxSD0V3NGAFvx799IeWH-1U/|this Google spreadsheet]]) ||




 * 45 made by AEL without specific request from subgroups.
 * Requested to AEL to make additional DC QPDs on 2016.12.26 ([[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5986|JGW-T1605986]]).
 * Additional DC QPDs are for IOO, MIF, AOS, VIS, CRY