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Birefringence mitigation (General)
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ShalikaSingh - 10:38, Monday 18 December 2023 (3379)Get code to link to this report
BB1-E03 measurement

Measurement was finished at 23deg. I rotated the mirror back to 0deg. There was some discrepancy in measurement at this position. The measurement is ongoing in between 1.34-1.36 and 16.42-24.62 with 1mV resolution for first and second LC respectively. 

foldername=r'C:\Users\atama\OneDrive\LC-Experiment\Measurement Data\Coating measurement\BB1-E03\0 deg'

filename='Mon, Dec 18, 2023 9-16-57 AM.txt'

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MarcEisenmann - 17:43, Tuesday 19 December 2023 (3381)

Measurement finished and could find voltages range where both azimuth and ellipticity are crossing 0.

Then, with help of Yiru Zi-Hao and Byeong-Jun we moved the laser source to ATC clean room.

We did not brought back any replacement source yet.