3 CONFIGURAT ON AND DESCRIPTIONS OF COMPONENTS
I
TMPM5200-2
3-7
Laser source positioning knobs
Adjusting the two knobs positions the point of laser illumination on the cantilever.
－
－
－
＋
＋
－
X-axis adjusting
knob
Focusing screw
Y axis +
X axis +
Y-axis
adjusting knob
The illuminated point moves about 0.64 mm in the X or the Y direction per revolution of
either knob. The focusing screw is used to focus the laser beam on the detector.
For more information on focusing, refer to Chapter 8.3.1, "Laser Beam Focusing."
Photo receiver
The photo receiver contains a four-segment photodiode.
Photodiode positioning knobs
Used to position the photodiode in the detector.
＋
Y axis +
ー
ー
＋
ー
ー
X-axis
positioning knob
X axis +
Y-axis
positioning knob
The photodiode moves by 0.5 mm in the X direction or by 0.25 mm in the Y direction
per revolution of the respective knob.
