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 Wed Sep 7 22:41:44 2011, frank,tara, DailyProgress, , Two cavities are in the same chamber 
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 Thu Sep 8 20:53:17 2011, tara, DailyProgress, RefCav, frequency difference
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Fri Sep 9 01:45:40 2011, Frank, DailyProgress, RefCav, frequency difference
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Fri Sep 9 01:53:21 2011, Frank, DailyProgress, RefCav, frequency difference
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Fri Sep 9 22:53:32 2011, frank, tara, DailyProgress, RefCav, frequency difference
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Mon Oct 3 23:54:19 2011, frank, tara, DailyProgress, , re mode matching
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Tue Oct 4 23:20:57 2011, frank, tara, DailyProgress, , re mode matching
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Message ID: 671
Entry time: Fri Sep 9 01:45:40 2011
In reply to: 669
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| Author: |
Frank |
| Type: |
DailyProgress |
| Category: |
RefCav |
| Subject: |
frequency difference |
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we can borrow the 2GHz PD from the cryo experiment for a quick measurement. Will get the shields/heaters next week and have the sensors. So we might be able to add those before the meeting, but i would do the test at 289MHz first to see what the noise looks like. If it's terrible we might have to work on other things as well. e.g. the cavity support.
| Quote: |
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I aligned the beam to ACAV and RCAV and measured the frequency different between the two cavities to be 289 MHz.
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