On Friday Jun 27th Francisco and I went to the the PCAL lab and did a PCAL TX module maintenance according to T1600436.
AOM alignment was touched up
Results:
Laser SN05 | |
Date | June-26-2025 |
Laser Shutter Check | Fail |
Max OFS Offset | 7.2V |
95% OFS Offset | 6.84V |
Operating OFS Offset | 3.42V |
Laser Output Power | 1.97W |
Rejected Laser Power | 3.3mW |
AOM Input Power | 1.92W |
Max Diffracted Power | 1.23W |
Un-Diffracted Power | 0.500W |
AOM Diffraction Efficiency | 64% |
AOM Rejected Power | 3.3mW |
TxPD Power | 1.4mW |
OFSPD Power | 1.73mW |
Outer Beam Power | 294mW |
Inner Beam Power | 292mW |
Output Beam Power Ratio | 0.9932 |
OFS Gain | 7.50V |
OFS Phase Margin | 43.7 |
ALOG |