NAOJ GW Elog Logbook 3.2
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ShalikaSingh - 16:35, Tuesday 21 November 2023 (3355)
LC2 fast axis
[Shalika, Marc]
Measurements of LC2 fast-axis angle were done. The data was taken in cross polarizer setting.
We measured fast-axis at 73.42°±0.52°. The angle is quite deviated from previous measurement which can be accounted due to the partially unscrewed LC.
The second LC was then set at -45° from its fast axis, i.e 28.42°.