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Size: 2067
Comment:
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Size: 2670
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| * At 25 ºC it's possible to use the fishing rod to set the keystone at nominal position ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]]). * 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]]). * Range: from -2500 µm to +4900 µm in the LVDT and from -1,400,000 to +1,400,000 steps in the stepper motor ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7694|7694]]). What was the temperature that day? |
* Ragnge * LVDT: [ -2500 , +4900 ] µm * Stepper motor: [ -1,400,000 , +1,400,000 ] steps * Temperature when measured: * Observations * At 25 ºC it's possible to use the fishing rod to set the keystone at nominal position ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]]). * 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=7694|7694]]). What was the temperature that day? |
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| 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]]). |
=== 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 ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]]). |
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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]]).What was the temperature that day? == SR2 == === Top filter === Range: ''' [ -1,700,000 , 1,500,000 ]''' === Stardard filter === Range: from -750 µm to 1000 µm in the LVDT and from 300,000 to 1,000,00 steps in the stepper motor ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4431|4431]]). === Bottom filter === Range: from -500 µm to 600 µm in the LVDT and from -550,000 to -250,000 ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4430|4430]]). === Other related entries === [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8082|8082]] == SR3 == === Top filter === ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7758|7758]]) === Standard Flter === ([[http://p://klog.icrr.u-tokyo.ac.jp/osl/?r=4720|4720]]) === Bottom Filter === ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4654|4654]]) === Other related entries === . [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8658|8658]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8135|8135]]. == SRM == === Top Filter === ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7857|7857]]) === Standard Filter === ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4721|4721]]) === Bottom Filter === ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4721|4721]]) |
Describe KAGRA/Subgroups/VIS/OpsManual/FishingRods here.
This page describes the status of the fishing rods.
Beam splitter
Top filter
- Ragnge
- LVDT: [ -2500 , +4900 ] µm
- Stepper motor: [ -1,400,000 , +1,400,000 ] steps
- Temperature when measured:
- Observations
(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).What was the temperature that day?
SR2
Top filter
Range: [ -1,700,000 , 1,500,000 ]
Stardard filter
Range: from -750 µm to 1000 µm in the LVDT and from 300,000 to 1,000,00 steps in the stepper motor (4431).
Bottom filter
Range: from -500 µm to 600 µm in the LVDT and from -550,000 to -250,000 (4430).
Other related entries
SR3
Top filter
(7758)
Standard Flter
(4720)
Bottom Filter
(4654)
Other related entries
SRM
Top Filter
(7857)
Standard Filter
(4721)
Bottom Filter
(4721)