[Dsg-rich] New Reflectivity Test Station alignment laser procured and set up in test station

[Tyler Lemon]

Hello,

In the past week, we have procured a new alignment laser for the reflectivity test station used to measure reflectivity of RICH mirrors. An annotated photo of the new alignment laser installed in the test station is attached.

The new aligning system is fixed to the optical and moved into and out of alignment position by using a vertical adjustment knob on its stand, giving it the advantage that it can consistently be inserted and removed from the test beam path. Those who used the previous alignment laser will remember that it had to be put into the test station on a plexiglass plate while using tape as a guide of where it should go.

Best regards,
Tyler
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