Continued with this work(klog24036)
I measured error signals again. I will summarize these results. The data is located at...
/users/Commissioning/data/ASC/WFS/birefringence/linear_range/txtfile/
ITMY_PIT: /20230309/{0011}
ITMY_YAW: /20230309/{0049}
ETMY_PIT: /20230308/{2218}, /20230309/{0136,0244}
ETMY_YAW: /20230308/{2337}, /20230309/{0203,0310}