Diagonal, Symbol,
Measurement Type
(for laser head at left)
Lower right to upper left
Far low to near high
Lower left to upper right
Near low to far high
Chapter 11 Diagonal Measurements
Assembling the Interferometer, Reference Retroreflector and Beam
Steering Arm
Table 11-1. General configurations — Laser head at left
Elevation Angle
Range
(degrees)
30–90
0–30
0–60
60–90
0–30
0–60
Measurements Reference Guide
Beam-steering
Interferometer Configuration
mirror Configuration
and 11-21)
(see Figures 11-5
through 11-7)
Straight-through (
Turned Left (
Turned Right (Inverted) (
Straight-through (
Turned Left (Inverted) (
Turned Right (
(see Figures 11-5 through 11-7,
)
)
)
)
)
)
11-13