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40m Log |
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Tue Nov 26 17:07:41 2019, gautam, Update, LSC, POX / POY calibration 
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Tue Nov 26 18:16:08 2019, rana, Update, LSC, POX / POY calibration
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Wed Nov 27 12:16:52 2019, gautam, Update, LSC, ITMX and ITMY OSEMs with low and high circulating power 
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Wed Nov 27 13:14:02 2019, rana, Update, LSC, ITMX and ITMY OSEMs with low and high circulating power
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Wed Nov 27 16:10:29 2019, gautam, Update, LSC, AOM reconnected
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Message ID: 15053
Entry time: Wed Nov 27 16:10:29 2019
In reply to: 15052
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Author: |
gautam |
Type: |
Update |
Category: |
LSC |
Subject: |
AOM reconnected |
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i reconnected the AOM driver to the AOM in the main beam path (it was hijacked for the AOM in the AUX laser path for Anjali's MZ experiment). I also temporarily hooked up the AOM to a CDS channel to facilitate some swept-sine measurements. This was later disconnected. The swept sine will need some hardware to convert the bipolar drive signal from the CDS system to the unipolar input that the AOM driver wants (DTT swept sine wont let me set an offset for the excitation, although awggui can do this).
Quote: |
if the RP don't fit
u must acquit
sweep the laser amplitude
to divine the couplin w certitude
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