1. using cross polarizer technique

2. for 20 voltage sweeps with 0.1Hz sweep frequency.

 

It was found that the maximum and minimum retardance was 988.99 nm and 15.7 nm at the temperature of 30 deg. The rms of error is 0.43 nm. See Fig 1 to understand more about the measurements. 

 

[see elog 3210 to understand more about fitting functions used]

 

foldername= "C:\Users\atama\OneDrive\LC-Experiment\Measurement Data\LC2_calibration data\Retardance"

filename="Mon, Jun 12, 2023 9-09-19 PM.txt"