Off-axis parabolic mirror collimator

Aluminium 2 inch OAP with gold coating.

Part details

Material :

Aluminium 6060-T6 substrate (thermally treated for extra stability)

Manufacturing process :

SPDT (single point diamond turning) + coating

Dimensions:

Diameter 2 inches (50.8mm)

Height : 57.15mm

Tapered central hole from 8 to 3mm

Off-axis distance : 300 mm

Shape :

Cylinder cut with off-axis parabolic surface.

Optical properties :

EFL : 300 mm  (12-inch focal length)

PFL : 150 mm

Optical treatment :

Protected gold coating

Ravg better than 96% @700-10000 nm, suitable for Terahertz application.

Usage :

THz signal 90° collimating.

Can be assembled with a Thorlabs KM200 kinetic mirror mount.