camilla.compton@LIGO.ORG - posted 11:37, Tuesday 17 January 2023 - last comment - 16:12, Monday 09 June 2025(66832)
TCS HWS SLED Stock.
Last recorded on alog 58758. Both were replaced in Dec 2022 (66179) so we expect they will be fine until the end of 2023.
Currently have two new 840nm spares, and one 790nm used spare that could be used in a pinch. We will order more spares.
- ITMX: Superluminescent Diode QSDM-790-5
- S/N 06.18.001 - removed alog#61892 - will disposition*
- S/N 06.18.002 - removed with 0.8mW alog#66179 - will keep as used spare.
- S/N 07.14.254 - removed alog#44201 - will disposition*
- S/N 07.14.256 - removed alog#41411 - will disposition*
- ITMY: Superluminescent Diode QSDM-840-5
- S/N 03.20.479 - new in sealed box
- S/N 06.16.005 - new in sealed box
- S/N 11.17.126 - removed with 0.19mW alog#66179 - will disposition*
* Added to ICS DEFECT-TCS-7753, will give to Chrisitna for dispositioning once new stock has arrived.
New stock arrived and has been added to ICS. Will be stored in the totes in the TCS LVEA cabinet.
S/N 07.14.255Old sled, removed 71476S/N 11.17.127Old sled, removed 71476ISC has been updated. As of August 2023, have 2 spare SLEDs for each ITM HWS.
S/N 05.21.346- Old sled, removed 73371S/N 07.14.255Old sled, removed 71476S/N 11.21.303- Old sled, removed 73371S/N 11.17.127Old sled, removed 71476ISC has been updated. As of October 2023, have 1 spare SLEDs for each ITM HWS, with more ordered.
Spare 8240nm SLEDs QSDM-840-5 09.23.313 and QSDM-840-5 09.23.314 arrived and will be placed in the TCS cabinets on Tuesday. We are expecting qty 2 790nm SLEDs too.
Spare 790nm SLEDs QSDM-790-5--00-01.24.077 and QSDM-790-5--00-01.24.079 arrived and will be placed in the TCS cabinets on Tuesday.
In 84417, we swapped:
The removed SLEDs have been dispositioned, DEFECT-TCS-7839.