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Entry  Mon Dec 9 19:19:04 2019, Yehonathan, Update, PSL, AOM first order beam alignment 20191209_193112.jpg20191209_193203_HDR.jpgimageedit_2_7551928142.gifimageedit_3_5863650538.gif
    Reply  Tue Dec 10 01:24:17 2019, Yehonathan, Update, PSL, AOM first order beam alignment 
       Reply  Tue Dec 10 13:26:46 2019, Yehonathan, Update, PSL, AOM first order beam alignment 
    Reply  Fri Jan 17 21:56:22 2020, Yehonathan, Update, PSL, AOM first order beam alignment 20200117_174841.jpg
       Reply  Wed Jan 22 11:00:21 2020, gautam, Update, PSL, PMC REFL ghost beam 
Message ID: 15089     Entry time: Tue Dec 10 01:24:17 2019     In reply to: 15087     Reply to this: 15090
Author: Yehonathan 
Type: Update 
Category: PSL 
Subject: AOM first order beam alignment 

 

However, we are currently unable to lock the PMC on high gain. When the gain is too high the PZT voltage goes straight to max and the lock is lost.

Just realized that the diffracted beam is frequency shifted by 80MHz. It would shift the PZT position in the PMC lock acquisition, wouldn't it?

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