Calibration of the oplev QPD readout in terms of the beam displacement

Today I used Miyo-kun's script to acquire the data. The current location of the data is 

/opt/rtcds/userapps/release/vis/common/scripts/autocommissioning/oplev/data/

The files are

SR2_TM_OPLEV_LEN_HOR.txt  SR2_TM_OPLEV_LEN_VER.txt  SR2_TM_OPLEV_TILT_HOR.txt  SR2_TM_OPLEV_TILT_VER.txt

I'll analyze the data and post the results later.