LIGO Document E1400311-v2

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Status message last updated at: Wed May 7 10:27:59 PDT 2025

ECR for beam centering servo for green WFS

Document #:
LIGO-E1400311-v2
Document type:
E - Engineering documents
Other Versions:
Abstract:
Implement beam centering servos for green wave front sensors in the end stations.
Files in Document:
Notes and Changes:
This ECR was not approved.
Testing in H1 approved using borrowed 3rd IFO hardware (Mad City Labs PZT mirrors and controllers). ECR pending results of testing. No plans to install ALS WFS on L1. Experiment closed. No permanent (ECR) change.

See FRS issue/ECR tracker entry:
https://services.ligo-la.caltech.edu/FRS//show_bug.cgi?id=5050

Related Documents:

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