= Light sources for oplevs =
== Superlum: SLD-MS-261-MP1-FC/APC-PMF ==
 * FY2012: 1 pc delivered. (Just for a test)
 * FY2013: 15 pcs delivered.
 * FY2016: 15 pcs delivered.
 * Note: after repaired, it seems the company gave new serial numbers. So the old serial numbers will become unused.
 * 20190411: renewed three are delivered: S/N 242770, 242771, 242772.
 * 20191218: three free-exchanges are delivered: S/N 242767, 242768, 242769.
 * 20220121: one new? light source (S/N 268205) and a repaired one (S/N 203248) arrived.

== FY2013 ==
||Serial# ||ICRR asset track# || ||Status ||
|| || || || ||
||'''--(203245)--''' || || ||IMMT1 (confirmed by Akutsu on 20190801); degrading, halved in 7200 hours. ->  [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19346|Dead on 20220104]]||
||203246 || || ||PRM (confirmed by Akutsu on 20190801); degrading, halved in 7200 hours. --> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=10586|Detached (20190918)]]; but it is just halved, so|among these sources it can be still usable??? Anyway it is now '''stocked''' tetatively.||
||'''--(203247)--''' || || ||Stocked in a box at Xend; had been used for iKAGRA-Xend. (20190731 confirmed) --> '''Took it out''' to send back to the company according to our agreement (20200109)||
||203248 || || ||'''Stocked''' in a box at Yend; had been used for iKAGRA-Yend. (20190731 confirmed) --> Took it back; to be sent to the manufacture (20210531) --> Repaired one came back (20220121)||
||203249 || || ||SR2; degrading; halved in 4800 hours. ||
||'''--(203250)--''' || || ||[Detached] MCo (halved at ~8400 hours)-> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4319|Detached (20180301)]] -> Repaired one is delivered (20190411) ||
||'''--(203251)--''' || || ||[Detached (on 20190801) and replaced] old IMMT2; degrading... ||
||'''--(203252)--''' || || ||[Detached (on 20190801) and replaced] old PR2; degrading. Halved in 7200 hours. ||
||'''--(203253)--''' || || ||[Detached] MCi (halved at ~6000 hours) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7353|Detached (20181212)]] -> Repaired one is delivered (20190411) ||
||'''--(203255)--''' || || ||EY Test Mass oplev; suspect degrading. -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12440|Detached and stocked in the center (20200109)]] ||
||'''--(203256)--''' || || ||[Detached] MCe (halved at ~4800 hours??) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7353|Detached (20181212)]] -> Repaired one is delivered (20190411) ||
||'''--(203258)--''' || || ||EX Marionette oplev; suspect degrading. -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12440|Detached and stocked in the center (20200109)]]  ||
||203259 || || ||BS; degrading. Halved in 10800 hours ||
||203262 || || ||'''Stocked''' at Mitaka (as of 20190729) ||
||'''--(203263)--''' || || ||[Detached] old PR3; detached. See [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8707|here]] and [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8706|here]] ||


== FY2016 ==
||Serial# ||ICRR asset track# || ||Status ||
||225022 || || ||IY Test Mass oplev (checked by Yamada on 20190719) --> But it was installed at IX!! (checked by Akutsu on 20190719) --> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=9855|Detached on 20190807]] and stocked. ||
||228141 || || ||'''Stocked''' (20190730 confirmed) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=9855|Installed at ITMX (20190807) ]]||
|| '''--(228142)--''' || || ||Stocked at the field out of the box in the IYA clean booth (20190730 confirmed) -> '''Took it out''' to send back to the company according to our agreement (20200108)||
|| '''--(228143)--''' || || ||Stocked (20190730 confirmed) -> '''Took it out'''  to send it back to the company according to our agreement (20200108)||
||228144 || || ||Stocked (20190730); firstly I (Akutsu) happened to find it was left at the entrance of the IXC booth for some reason...  --> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=10586|Installed at PRM (20190918)]]||
||228145 || || ||IX Marionette oplev (but Maybe IY MN oplev)-> IXC clean booth(Used for MN oplev) -> IXC area||
||228146 || || ||SR3; degrading. Halved in 7200 hours. ||
||228147 || || ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4319|Installed at MCo (20180301)]]. So far it is ok (20190718). ||
||228148 || || ||IX Test Mass opLev (but may be IY TM oplev); suspect degrading! ||
||228151 || || ||EY Marionette oplev -> EYC clean booth(Used for MN oplev) -> IXC area -> [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19343|Moved from IXC area to EYC TM oplev]]||
||228153 || || ||IY Marionette oplev (but maybe IX MN oplev) -> IYC clean booth(Used for MN oplev) -> IXC area||
|| '''--(228154)--''' || || ||EX Test Mass oplev; suspect degrading! --> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12440|Detached and stocked in the center (20200109)]] ||
||228155 || || ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7353|Installed at MCe (20181212)]]. Not so clear as that of MCi, but this is also getting degraded. ||
||228158 || || ||SRM; degrading. Halved in 7200 hours. ||
||228160 || || ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7353|Installed at MCi (20181212)]]. Note: judging from the trend monitor, even though it was replaced with those newly purchased in FY2016, it got degraded. ||


== FY2019 ==
=== 2019 April ===
||Serial# ||ICRR asset track# || ||Status ||
||242770 || || ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=9758|Installed at IMMT2 (20190801)]] ||
||242771 || || ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=9759|Installed at PR2 (20190801)]] ||
||242772 || || ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8712|Installed at PR3 (20190422)]] ||
=== 2019 December ===
The company agreed to provide some new light source for free.
||Serial# ||ICRR asset track# || ||Status ||
||'''--(242767)--''' || (Free exchange)|| ||'''Stocked''' at Mozumi (20191218) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12440|Installed at EY test mass (20200109)]]->[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19314|Moved to IXC]]-> [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19361|Sadly broken by an accident]] ||
||242768 || (Free exchange)|| ||'''Stocked''' at Mozumi (20191218) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12440|Installed at EX test mass (20200109)]] ||
||242769 || (Free exchange)|| ||'''Stocked''' at Mozumi (20191218) -> [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=12440|Installed at EX marionette (20200109)]] -> IXC area -> [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19346|Moved from IXC area to IMMT1 TM oplev]] ||

== FY2021 ==
=== 2022 Jan ===
||Serial# ||ICRR asset track# || ||Status ||
||268205 || Free delivered || ||'''Stocked''' at Mozumi (20220121) ||