[Sheila, Elenna, Karmeng]
Measured optical power (with power meter) of 0.89~0.9mW out of the OPO, 0.89~0.9mW after the first transmission through SFI1, 0.85mW (roughly 4.5%) after the reflection off filter cavity, and 0.84~0.85mW on SQZT7 first periscope.
We placed a photodiode right after second periscope on SQZT7 for diagnostic purpose.
Still need to tweak the alignment to ZM4, the beam is not centered on the iris, we also tried adjusting ZM3 but did not see any improvement.