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Size: 2098
Comment:
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Size: 1553
Comment:
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| Standard Filter |
=== Standard Filter === |
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| ||<tablewidth="1202px" tableheight="156px">Stage ||Description ||Relevant log entries || ||Top Filter ||At 25 ºC it's possible to use it to set the keystone at nominal ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]]), but at 24.5 ºC or lower it's not ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=11465|11465]]). ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=11465|11465]] || ||Standard Filter ||It's been at its lowest position since the temperature was 25 ºC. We set the keystone to 488 µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]]). ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]], || ||Bottom Filter ||So far it's been working, but we haven't tried using it at all every temperature condition. || || |
=== Bottom filter === * This fishing rod didn't seem to have any problems before but we haven't tried to use it at every temperature condition we've had. * Range:''' '''from''' '''-1000 µm to +1800 µm in the LVDT and from -746,000 to +746,000 steps in the stepper motor ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=3280|3280]]). == SR2 == ||<tablewidth="1202px" tableheight="156px"> || || || || || || || || || || || || || || || |
Describe KAGRA/Subgroups/VIS/OpsManual/FishingRods here.
This page describes the status of the fishing rods.
Beam splitter
Top filter
At 25 ºC it's possible to use the fishing rod to set the keystone at nominal position (8125).
Range: from -2500 µm to +4900 µm in the LVDT and from -1,400,000 to +1,400,000 steps in the stepper motor (7694). What was the temperature that day?
Standard Filter
It's been at its lowest position since the temperature was 25 ºC. We set the keystone to 488 µm and couldn't move it down more (8125, 8645).
Range: from -700 µm to +700 µm in the LVDT and from -870,000 to +835,000 steps in the stepper motor (3558). What was the temperature that day?
Bottom filter
- This fishing rod didn't seem to have any problems before but we haven't tried to use it at every temperature condition we've had.
Range: from -1000 µm to +1800 µm in the LVDT and from -746,000 to +746,000 steps in the stepper motor (3280).
SR2
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