[Ikeda, Takahashi]
We checked the OSEMs visually. The flap of OSEM#2 in the IM was rotated more than 40°.
According to the health check in January, gain of OSEM #2 (H1) is about 1dB smallerthan before the earthquake (fig1).
[Ikeda, Takahashi]
We checked the EQ stops of the SR3 payload. The pictures are archived in the KAGRA Dropbox.