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 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5788| JGW-T1605788 Length-Sensing OpLevs for KAGRA]] - writeup by Simon
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3946| JGW-T1503946 OpLev]] - writeup by Ettore Majorana of VIRGO		  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5788| JGW-T1605788]] - Length-Sensing !OpLevs for KAGRA, writeup by Simon
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3946| JGW-T1503946]] - !OpLev, writeup by Ettore Majorana of VIRGO
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 * [[KAGRA/Subgroups/AOS/DCQPDList|QPDs]] Inventory of QPDs for OLs  * [[KAGRA/Subgroups/AOS/DCQPDList]] - Inventory of QPDs for OLs

== Quadrants ==
As viewed looking at the QPD.

||Q4||Q3||
||Q1||Q2||

== Default OL2EUL Matrix ==


== Micrometer Function ==
||Horizontal|| Vertical||Notes||
||Points right||Points down||viewed facing QPD||
||Anticlockwise||Anticlockwise||turn of micrometer knob||
||Retracts tip||Retracts tip|| ||
||Larger numbers||Larger numbers||on micrometer scale||
||Stage moves with tip||Stage moves with body|| ||
||QPD moves left||QPD moves down|| ||
||Spot moves to right quadrants||Spot moves to upper quadrants|| ||
||Simulates -yaw||Simulates +pitch|| ||

KAGRA VIS Operations Manual - Optical Levers

Info

  • JGW-T1605788 - Length-Sensing OpLevs for KAGRA, writeup by Simon

  • JGW-T1503946 - OpLev, writeup by Ettore Majorana of VIRGO

Data

Quadrants

As viewed looking at the QPD.

Q4

Q3

Q1

Q2

Default OL2EUL Matrix

Micrometer Function

Horizontal

Vertical

Notes

Points right

Points down

viewed facing QPD

Anticlockwise

Anticlockwise

turn of micrometer knob

Retracts tip

Retracts tip

Larger numbers

Larger numbers

on micrometer scale

Stage moves with tip

Stage moves with body

QPD moves left

QPD moves down

Spot moves to right quadrants

Spot moves to upper quadrants

Simulates -yaw

Simulates +pitch

KAGRA/Subgroups/VIS/OpsManual/OpLev (last edited 2019-12-08 17:14:35 by fabian.arellano)