Differences between revisions 33 and 41 (spanning 8 versions)
⇤ ← Revision 33 as of 2019-11-13 14:56:23 →
Size: 2721
Editor: fabian.arellano
Comment:
← Revision 41 as of 2019-11-13 15:49:02 → ⇥
Size: 3980
Editor: fabian.arellano
Comment:
Deletions are marked like this. Additions are marked like this.
Line 7: Line 7:
 * '''Range'''  * '''Range:'''
Line 11: Line 11:
 * 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]]).		  * '''Observations:'''
  * At 25 ºC it was 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 colder it was not ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=11465|11465]]).
Line 16: Line 16:
 * Range  * '''Range:'''
Line 19: Line 19:
 * 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]]).   * Temperature when measured:
 * '''Observations:'''
  * It's been at its lowest position since the temperature was 25 ºC ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]]).
  * We set the keystone to 488 µm and couldn't move it further down ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8125|8125]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8645|8645]]).
Line 22: Line 25:
 * 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?		  * '''Range:'''
  * '''LVDT:''' [ -1000 µm , +1800 ] µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=3280|3280]]).
  * '''Stepper motor:''' [ -746,000 , +746,000 ] steps ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=3280|3280]]).
  * Temperature when measured:
 * '''Observations:''' this fishing rod doesn't seem to have any problems, but we haven't used it at every temperature condition we've had.
Line 27: Line 33:
Range: ''' [ -1,700,000 , 1,500,000 ]'''  * '''Range:'''
  * '''LVDT:''' [ -990 , 903 ] µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8082|8082]]).
  * Stepper motor: [ -1,700,000 , 1,500,000 ] steps ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8082|8082]]).
  * Temperature when measured:
 * Observations:
Line 30: Line 40:
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]]).  * '''Range:'''
  * '''LVDT:''' [ -750 , 1000 ] µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4431|4431]]).
  * '''Stepper motor:''' [ 300,000 , 1,000,00 ] steps ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4431|4431]]).
  * Temperature when measured:
 * Observations:
Line 33: Line 47:
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]]).  * '''Range:'''
  * '''LVDT:''' [ -500 , 600 ] µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4430|4430]]).
  * '''Stepper motor:''' [ -550,000 , -250,000 ] steps ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4430|4430]]).
  * Temperature when measured:
 * Observations:
Line 40: Line 58:
([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7758|7758]])  * '''Range:'''
  * '''LVDT:''' [ 885 , -1299 ] µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7758|7758]]).
  * '''Stepper motor:''' [ -500,000 , 1,100,000 ] steps ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7758|7758]]).
  * Temperature when measured:
 * Observations:
Line 43: Line 65:
([[http://p://klog.icrr.u-tokyo.ac.jp/osl/?r=4720|4720]]) ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4720|4720]])

 * '''Range:'''
  * '''LVDT:''' '''63.5 [mm] to 67.5 [mm]''' µm
  * Stepper motor:
  * Temperature when measured:
 * Observations:
Line 46: Line 74:
([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4654|4654]])  * '''Range:'''
  * '''LVDT:''' [ -1600 , +1000 ] µm ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4654|4654]]).
  * Stepper motor: ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=4654|4654]]).
  * Temperature when measured:
 * Observations:

Describe KAGRA/Subgroups/VIS/OpsManual/FishingRods here.

This page describes the status of the fishing rods.

Beam splitter

Top filter

  • Range:

    • LVDT: [ -2500 , +4900 ] µm (7694).

    • Stepper motor: [ -1,400,000 , +1,400,000 ] steps (7694).

    • Temperature when measured:

  • Observations:

    • At 25 ºC it was possible to use the fishing rod to set the keystone at nominal position (8125).

    • at 24.5 ºC or colder it was not (8645, 11465).

Standard Filter

  • Range:

    • LVDT: [ -700 , +700 ] µm (3558).

    • Stepper motor: [ -870,000 to +835,000 ] steps (3558).

    • Temperature when measured:

  • Observations:

    • It's been at its lowest position since the temperature was 25 ºC (8125, 8645).

    • We set the keystone to 488 µm and couldn't move it further down (8125, 8645).

Bottom filter

  • Range:

    • LVDT: [ -1000 µm , +1800 ] µm (3280).

    • Stepper motor: [ -746,000 , +746,000 ] steps (3280).

    • Temperature when measured:

  • Observations: this fishing rod doesn't seem to have any problems, but we haven't used it at every temperature condition we've had.

SR2

Top filter

  • Range:

    • LVDT: [ -990 , 903 ] µm (8082).

    • Stepper motor: [ -1,700,000 , 1,500,000 ] steps (8082).

    • Temperature when measured:
  • Observations:

Stardard filter

  • Range:

    • LVDT: [ -750 , 1000 ] µm (4431).

    • Stepper motor: [ 300,000 , 1,000,00 ] steps (4431).

    • Temperature when measured:
  • Observations:

Bottom filter

  • Range:

    • LVDT: [ -500 , 600 ] µm (4430).

    • Stepper motor: [ -550,000 , -250,000 ] steps (4430).

    • Temperature when measured:
  • Observations:

8082

SR3

Top filter

  • Range:

    • LVDT: [ 885 , -1299 ] µm (7758).

    • Stepper motor: [ -500,000 , 1,100,000 ] steps (7758).

    • Temperature when measured:
  • Observations:

Standard Flter

(4720)

  • Range:

    • LVDT: 63.5 [mm] to 67.5 [mm] µm

    • Stepper motor:
    • Temperature when measured:
  • Observations:

Bottom Filter

  • Range:

    • LVDT: [ -1600 , +1000 ] µm (4654).

    • Stepper motor: (4654).

    • Temperature when measured:
  • Observations:

SRM

Top Filter

(7857)

Standard Filter

(4721)

Bottom Filter

(4721)

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