matthewrichard.todd@LIGO.ORG - posted 15:30, Thursday 05 February 2026 (89056)
OMC scans -- 2026-02-05
M. Todd, S. Muusse, C. Compton, S. Dwyer
Today we ran some more OMC scans with the ITM ring heaters on. At first we ran the OMC scan with the 9/45 sidebands on, single bounce off ITMX. Then we turned sidebands off and did both ITMX and ITMY.
| Measurement | Time | Test Masses | CO2 [W] | Ring Heater (per segment) [W] | SR3 [W] | OM2 [W] | FOM | Notes |
| OMC Scan - Single Bounce off of ITMX | 1454352294 | Cold | 0 | 2.45 | 0 | 0 | Mismatch = 20.2% | Sidebands on |
| OMC Scan - Single Bounce off of ITMX | 1454359702 | Cold | 0 | 2.45 | 0 | 0 | Mismatch = 23.9% | Sidebands off |
| OMC Scan - Single Bounce off of ITMY | 1454360545 | Cold | 0 | 2.00 | 0 | 0 | Mismatch = 22.7% | Sidebands off |
Images attached to this report
