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Entry  Mon Mar 16 16:16:17 2020, anchal, DailyProgress, ISS, Added true OOL transmission PD for South Path 
    Reply  Tue Mar 17 18:03:22 2020, anchal, DailyProgress, ISS, Added true OOL transmission PD for North Path IMG_20200317_180420.jpg
Message ID: 2561     Entry time: Tue Mar 17 18:03:22 2020     In reply to: 2560
Author: anchal 
Type: DailyProgress 
Category: ISS 
Subject: Added true OOL transmission PD for North Path 

Today, I added a new out-of-loop transmission PD (Thorlabs PDA10CS) for the north path. This will be helpful in future measurements of RIN coupling to beatnote noise. This PD is added at (8, 42) using the dumped light. The optical layout would be updated in a few days. I've also connected Acromag channel for North Transmission DC to this photodiode, so the transmitted power channels and the mode matching percentage channel of North Cavity are meaningful again.

ISS Gain for the Northside has been increased to 2x10000 since half of the light is now being used by the OOL PD.

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