Datasheet

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Automotive
Datasheet Plastic Collimator Lens CAX183
These data concern a full plastic aspherical plano-convex lens. It is specified for use as a collimator in
combination with a diode laser. It can be mounted by use of glue or spring-loaded. Mechanical lock-
mounting is not advisable because of possible distortions.
Parameters
Wavelength Unit
670 nm 785 nm
Design conditions
N.A.
0.12 --
Clear Aperture CA 4.3 mm
Designed with laser cover glass (BK7) on source side:
Distance from source 0.55 mm
Glass thickness 0.25 mm
Optical parameters
Focal Length 18.15 18.33 mm
Back Focal Length BFL (with 0.25mm laserglass) 17.51 17.69 mm
Free Working Distance FWD 16.30 16.48 mm
RMS mean on axis 25
m
total
m
RMS max. (±3)
on axis 30
m
total 35
m
Optical Tolerance 0.1 mm
Field Radius 0.3 mm
Mechanical parameters
Mounting hole diameter D
mh
 6.28
mm
Other parameters: see drawing
Environmental stability
Storage Temperature -25 to 100 °C
Operating Temperature -10 to 75 °C
General Data:
Transmission [%]: 90
Lens Material: Polycarbonate
Specifications subject to change without notice.
Zemax cataloguefile available.