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Message ID: 6758     Entry time: Tue Jun 5 22:03:22 2012
Author: Jenne 
Type: Omnistructure 
Category: Green Locking 
Subject: IR beat signal at PSL 

Yuta is going to bring this up at the 40m meeting so it can be argued over, but we (I) want a permanent IR beat setup at the PSL table.  This isn't a novel idea or anything, I just think it will save us time if we can quickly re-acquire the beat signal, so I'm bringing it up again.  Eventually, as Koji suggested to me, we can make the IR beat part of a servo, so that the green beat is always within the bandwidth of the green beat PD.  But for Phase 1, it's enough to just see the Ir beat on a ~1GHz PD.  Suresh tells me most of the bits and pieces are around, we just have to gather them all in one place.

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