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I looked at the endtable for possible space to setup optics in order to couple the X end laser into a PM fiber.
Attached is the layout of where the setup will go and what are the existing stuff that will be moved.
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Since we will not be doing any major locking, I am taking this chance to move things on the X end table and install the fiber coupler.
The first steering mirror shown in the earlier elog will be a Y1 (HR mirror) and the second one will be a beam sampler (similar to the one installed at the Y endtable for the fiber setup).
Configuration:
Doubler --> Y1 ---> Lens (f=12.5cm) ---> Beam sampler --->Fiber coupler
The fiber coupler mount will be installed in the green region to the right of the TRX camera.
This work will involve moving around the TRX camera and the optic that brings the trans image on it.
Let me know if this work should not be done tomorrow morning for any reason. |