There might have been some issue with this measurement as after 35h it did not finished..

Today Yuhang kindly went to PCI to reset the parameters (sensitivity = 1 mV for both lockin amplifiers and input A for the one connected to the PC).

We restarted the measurement with HWP = 46 deg (ie incident polarization is p).

The measurement finished and I started with HWP = 91 deg (ie incident polarization s)

Analysis to follow.