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
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 |
|