Differences between revisions 15 and 16
⇤ ← Revision 15 as of 2019-11-11 19:32:47 →
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← Revision 16 as of 2019-11-12 16:40:03 → ⇥
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Deletions are marked like this. Additions are marked like this.
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Beam splitter == Beam splitter ==
=== Top filter ===
 * 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: -2500 µm to +4900 µm (-1,400,000 to +1,400,000 steps)''' ''''''[[http://klog.icrr.u-tokyo.ac.jp/osl/index.php?r=7694|7694]].<<BR>>'''

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).

  • at 24.5 ºC or lower it's not (8645, 11465).

  • Range: -2500 µm to +4900 µm (-1,400,000 to +1,400,000 steps) 7694.

Stage

Description

Relevant log entries

Top Filter

At 25 ºC it's possible to use it to set the keystone at nominal (8125), but at 24.5 ºC or lower it's not (8645, 11465).

8125, 8645, 11465

Standard Filter

It's been at its lowest position since the temperature was 25 ºC. We set the keystone to 488 µm (8125, 8645).

8125, 8645,

Bottom Filter

So far it's been working, but we haven't tried using it at all every temperature condition.

KAGRA/Subgroups/VIS/OpsManual/FishingRods (last edited 2020-09-18 10:45:40 by fabian.arellano)