KAGRA Pcal-Y updates (2025/10/22)
Workers: Takahiro Sawada, Dan Chen
We performed monthly Pcal-Y calibration on 2025/10/22.
After the calibration, we updated EPICS parameters related to the Pcal-Y system. No issues were found.
| EPICS Key | Before | After | Δ (After − Before) |
|---|---|---|---|
| K1:CAL-PCAL_EY_1_OE_R_SET | 0.99019 | 0.98996 | -0.00023 |
| K1:CAL-PCAL_EY_1_OE_T_SET | 0.99019 | 0.98996 | -0.00023 |
| K1:CAL-PCAL_EY_1_PD_BG_RX_V_SET | -0.00483 | -0.00482 | 0.00001 |
| K1:CAL-PCAL_EY_1_PD_BG_TX_V_SET | 0.02015 | 0.02777 | 0.00763 |
| K1:CAL-PCAL_EY_1_RX_V_R_SET | 0.50347 | 0.50334 | -0.00012 |
| K1:CAL-PCAL_EY_2_INJ_V_GAIN | 0.51409 | 0.51215 | -0.00194 |
| K1:CAL-PCAL_EY_2_OE_R_SET | 0.98537 | 0.98537 | -0.00000 |
| K1:CAL-PCAL_EY_2_OE_T_SET | 0.98537 | 0.98537 | -0.00000 |
| K1:CAL-PCAL_EY_2_PD_BG_TX_V_SET | 0.02301 | 0.03048 | 0.00747 |
| K1:CAL-PCAL_EY_2_RX_V_R_SET | 0.49653 | 0.49666 | 0.00012 |
| K1:CAL-PCAL_EY_WSK_PER_RX_SET | 1.84138 | 1.84103 | -0.00035 |
| K1:CAL-PCAL_EY_WSK_PER_TX1_SET | 0.33311 | 0.33342 | 0.00031 |
| K1:CAL-PCAL_EY_WSK_PER_TX2_SET | 0.90083 | 0.90454 | 0.00371 |
