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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: 15050
Entry time: Tue Nov 26 18:16:08 2019
In reply to: 15049
Reply to this: 15051
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| Author: |
rana |
| Type: |
Update |
| Category: |
LSC |
| Subject: |
POX / POY calibration |
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...maybe the opto-mechanical CARM plant is changing as a function of the CARM offset...
| Quote: |
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Even assuming 50% error in the calibration factors, it's hard to explain the swing of TRX/TRY when the CARM offset is brought to zero.
- The increase in (admittedly in-loop) CARM noise as the offset is reduced still seems to me to be correlated with the buildup of IR power in the arm cavities.
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