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Wait. It is not so clear.
Do you mean that the IFO was locked with REFL11I for the first time?
Why is it still in the "low finesse" situation? Is it because of misalignment or the non-zero CARM offset?
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Sorry, the X arm is completely misaligned. This is the configuration I first tried in ELOG 9859, that is: a PRM->ITMY recycling cavity and ITMY->ETMY arm cavity. ITMX is completely misaligned, so the BS is dumping much of the recycling cavity light out, which is why I wrote "low finesse." This is the first time I've used REFL11 to control any of our cavities, though. |