User:Pranav Rathi/Notebook/OT/2010/05/05

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More pics:
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[[Category:Optical Tweezer]]
[[Category:Optical tweezers Notes Archive]]

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OT construction

The IR mirror and QPD problem is resolved. Skipper reinstalled the mirror (inside the black box) and I realigned it,now it seems like, it works.

Image:Qpd.png The QPD is more (enough) maneuverable inside the limit of ½ cm. The signals are not running crazily all over the place as before. After a short tweaking of x and y axis and the condenser they are easily overlapped at 0 amplitude. The signals look kinda noisy, skipper said, “He will check it up!” So I am moving to the next task now. More pics:

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