LIGO Document G1401179-v3

Estimate of force coupling between charged optic face and optic cage

Document #:
LIGO-G1401179-v3
Document type:
G - Presentations (eg Graphics)
Other Versions:
LIGO-G1401179-v2
28 Oct 2014, 16:04
Abstract:
simple matlab calc of the force and dForce/dx caused by uniform charge on optic face and the image charge in the metal cage near the optic
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Notes and Changes:
-v3 update has correct charge density of 2e-6 C/m^2 on pg 1 instead of 2e6 C/m^2.

Den did a quick measurement at LLO on Sept 30, 2014. At that time he says that the coupling is small enough to not be seen. LLO log entry 14869
https://alog.ligo-la.caltech.edu/aLOG/index.php?callRep=14869

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