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 Thu Jan 22 23:36:50 2009, pete, HowTo, oplevs, arm cavity oplev calibration 
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 Fri Jan 23 12:48:12 2009, Kakeru, Update, oplevs, arm cavity oplev calibration
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Thu Jan 29 17:24:41 2009, Kakeru, Update, oplevs, arm cavity oplev calibration
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Sat Mar 14 22:53:12 2009, Kakeru, Update, oplevs, arm cavity oplev calibration
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Fri Mar 20 15:37:58 2009, Kakeru, Update, oplevs, arm cavity oplev calibration
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Thu Mar 26 09:08:18 2009, Kakeru, Update, oplevs, arm cavity oplev calibration
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Message ID: 1249
Entry time: Fri Jan 23 12:48:12 2009
In reply to: 1247
Reply to this: 1259
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| Author: |
Kakeru |
| Type: |
Update |
| Category: |
oplevs |
| Subject: |
arm cavity oplev calibration |
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I calibrated optlevs of x and y arm cavity, indipendently from Peter's work.
ITMX pit: 77 microrad/ct
ITMX yaw: 73 microrad/ct
ETMX pit: 280 microrad/ct
ETMX yaw: 263 microrad/ct
ITMY pit: 120 microrad/ct
ITMY yaw: 93 microrad/ct
ETMY pit: 280 microrad/ct
ETMY yaw: 270 microrad/ct
This result is similar to Royal's one (within 30% difference except for ETMX pit), but different from Peter's in ETMY.
The attached figure is the data and fitted curve of ITMX pit.
I took this data for 8s, with 4 Hz excitation. |
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