Reports until 14:46, Tuesday 26 March 2019
H1 SQZ (SQZ)
nutsinee.kijbunchoo@LIGO.ORG - posted 14:46, Tuesday 26 March 2019 (47895)
New OPO trans diode installed

Daniel, Fil, Nutsinee

FEMTO LCA-S-400K-SI-FST was installed today (replace the unamplified Thorlabs diode that was in place). The following changes has been implemented on the concentrator board 7. Here's the transfer function.

 

The response of the diode has also been measured (falls off at ~400kHz as advertised).

Images attached to this report