LIGO Document E1800210-v1

Optical Contamination Test resuits: Euclid Compact Interferometer

Document #:
Document type:
E - Engineering documents
Other Versions:
Manufacturer:Birmingham School of Physics and Astronomy
Material:Aluminum & Glass Body with Laser Diode Electronic Circuitry In side Case.
S/N 20162601
Notes and Changes:
N.B.: Testing has been terminated after 215 days. This device marginally fails UHV compatibility testing based on the acceptance criteria and the assumption of 6 units per TM and BS suspensions. Measurements indicate loss rate (scaled to LIGO UHV) of 0.028 ppm/yr (2 sigma) absorption (compared to 0.02 criteria) and 0.129 ppm/yr scatter (compared to 0.2 criteria).

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