Today I've set c1ass model to improve alignment of X and Y arms. I've added all measured parameters to ASS scripts. I've also added a script to c1ass.adl that downloads calculated OFFSETs to corresponding ASC filter banks and blocks outputs. It should be called after alignment convergence.
XARM phase rotation and sensing matrix
| Demodulator |
Phase rotation, degrees |
| ETM_P_T |
-5 |
| ETM_Y_T |
-10 |
| ITM_P_T |
-62 |
| ITM_Y_T |
163 |
| I-quadrature |
ETM_PIT |
ETM_YAW |
ITM_PIT |
ITM_YAW |
| ETM_P_T |
1.0000
|
-0.6116 |
-0.560 |
0.5660 |
| ETM_Y_T |
-0.1600 |
1.0000 |
0.2310 |
-0.3979 |
| ITM_P_T |
-0.0794 |
0.4960 |
1.0000 |
-0.8791 |
| ITM_Y_T |
0.0624 |
-0.3903 |
-0.4787 |
1.0000 |
Output gains were (-0.5, 0.5, -0.25, -0.25). XARM Gain was set to 0.5.
YARM phase rotation and sensing matrix
| Demodulator |
Phase rotation, degrees |
| ETM_P_T |
10 |
| ETM_Y_T |
0 |
| ITM_P_T |
107 |
| ITM_Y_T |
-35 |
| I-quadrature |
ETM_PIT |
ETM_YAW |
ITM_PIT |
ITM_YAW |
| ETM_P_T |
1.0000
|
0.3899 |
-0.515 |
-0.0309 |
| ETM_Y_T |
0.1017 |
1.0000 |
-0.3143 |
-0.5269 |
| ITM_P_T |
-0.3505 |
0.0565 |
1.0000 |
-0.0945 |
| ITM_Y_T |
-0.2085 |
-0.3607 |
0.6042 |
1.0000 |
Output gains were (-0.25, 0.25, 0.7, -0.7). YARM Gain was set to 0.8.
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