2011Nov2

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Photometric Channels had been well since I did the alignment at the beginning of the Sep. But it somehow suddenly got really bad in Oct. So I re-aligned them in Nov. I tried to adjust by rotating two tip-tilt knobs, but didn't improve at all. So I rotated the beamsplitter, which improved the PCs to what they were supposed to be. Here are the images of beam3 and beam4.


Media:b3_mirc_2011Nov02.png Media:b4_mirc_2011Nov02.png Media:b34_mirc_2011Nov02.png