The 2nd BS was installed to measure coatings

input calibration

infront of 1st BS with only power meter C:\Users\atama\Dropbox\LC-Experiment\Measurement Data\Polarization states\Wed, Dec 4, 2024 6-39-05 PM.txt

polarization states after 1st BS C:\Users\atama\Dropbox\LC-Experiment\Measurement Data\Polarization states\Thu, Dec 5, 2024 1-10-34 PM.txt

Measurement of the 2nd BS (the BS used to measure coatings)

Front face reflection

C:\Users\atama\Dropbox\LC-Experiment\Measurement Data\Birefringence Measurements\Beam Splitter Calibration\20241205\frontrefl\Fri, Dec 6, 2024 10-55-55 AM.txt

Back face tranmission

C:\Users\atama\Dropbox\LC-Experiment\Measurement Data\Birefringence Measurements\Beam Splitter Calibration\20241205\Backfacetra\Thu, Dec 5, 2024 3-15-50 PM.txt

measurement take again after some time

C:\Users\atama\Dropbox\LC-Experiment\Measurement Data\Birefringence Measurements\Beam Splitter Calibration\20241205\Backfacetra\Thu, Dec 5, 2024 6-35-25 PM.txt

The Back face transmission is the input polarization states