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40m Log |
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Message ID: 4069
Entry time: Fri Dec 17 03:37:47 2010
In reply to: 4066
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Author: |
rana |
Type: |
Update |
Category: |
SUS |
Subject: |
ITMY / SRM / BS / PRM OPLEVs aligned |
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Quote: |
The sole thing that has been deviated from the optical layout was that the SRM returning beam had to be reroute
as the SRM has better reflectivity on the AR surface in stead of the HR one.
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I suppose that if we were really clever we would intentionally choose either the AR or HR surface so as to minimize the effect of the thermal lensing and/or thermal expansion from the locked interferometer absorption. |