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Entry  Wed Aug 12 17:42:58 2020, gautam, Update, Electronics, Photodiode inventory IMG_8709.JPGIMG_8708.JPG
    Reply  Wed Aug 12 20:16:52 2020, Koji, Update, Electronics, Photodiode inventory 
Message ID: 15516     Entry time: Wed Aug 12 17:42:58 2020     Reply to this: 15520
Author: gautam 
Type: Update 
Category: Electronics 
Subject: Photodiode inventory 

See Attachments #1 and #2. We don't have any Q3000 QPDs in hand, at least not in the photodiode box stored in the clean optics cabinet at the south end. I also checked a cabinet along the east arm where we store some photodiodes - but didn't find any there either. The only QPDs we have in hand are the YAG-444-4AH, which I believe is what is used in the iLIGO WFS heads.

So how many do we want to get?

Attachment 1: IMG_8709.JPG  2.717 MB  Uploaded Wed Aug 12 18:44:25 2020  | Show | Hide all | Show all
Attachment 2: IMG_8708.JPG  3.640 MB  Uploaded Wed Aug 12 18:44:44 2020  | Hide | Hide all | Show all
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