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Message ID: 2615     Entry time: Fri Feb 19 02:38:32 2010
Author: Koji 
Type: Configuration 
Category: oplevs 
Subject: Intsant green oplevs for ITMs shooting from the ends 

I set up instant green oplevs for ITMs.

A green laser pointer has been set on each end table. It illuminates the ITM center. The beam goea through the ETM substrate.
The reflected green beam returns to the ETM if the ITMs are aligned. Even though the reflected beam to the end is too big, this can
be a rough reference for each ITM.

Note: The green laser pointer at the ETMX were borrowed from Frank. We must return it to him when we finish the work.

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