OptiCentric^® Custom

In addition to the before mentioned configurations of the OptiCentric^® product line, TRIOPTICS also develops and manufactures custom specific instruments. The development of custom instruments is based on existing TRIOPTICS hardware and software platforms, so that our customers benefit from the same level of accuracy and reliability characteristic for our standard instruments. In the following some of the OptiCentric^® Custom instruments are presented:

Measurement of Laser Rods

The quality of the laser rods is mainly influenced by the parallelism of laser rod end surfaces and the homogeneity of the material. Ideally the light beam entering the laser rod should exit without changing direction. However, if the two end surfaces of the laser rod are not parallel and perpendicular to the cylinder axis, the traversing laser beam will be deviated. Similarly, defects in the material contribute to the beam deflection.

The main parameters to be checked are:

• The parallelism of the laser rod end surfaces which is measured in reflection mode
• The beam deviation through the laser rod which is measured in transmission mode

When the cylinder axis is given as a reference, and the centering errors of the rod end surfaces to the cylinder axis are required, the laser rod is additionally rotated .

The setup of the instrument is horizontal in order to allow the precise rotation of long laser rods up to 150 mm. A special software module controls the measurement and provides specific data sets and measurement certificates.

Customer-specific construction for the measurement of laser rod end surfaces

Measurement of C-lenses

A typical example from the field of micro optics is the measurement of C-lenses used for the light transmission in glass fibers.

As a rule, C-lenses have an optical window on one side and a spherical surface on the other and are typically long in relation with the diameter. A special rotation device has been developed allowing for horizontal positioning and rotation of the C-lenses during the measurement. The rotation of lenses is accomplished manually; the centering error of the spherical surface is measured in relation to the cylindrical axis.