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Optical Design & Engineering

Reliable automated aspheric measurement


OptiPro Systems and Carl Zeiss Industrial Metrology (Zeiss IMT) have collaborated to provide an accurate, robust solution to measure aspheres. The Surfcom 5000, a profilometer for precision optics developed by Zeiss IMT can now be utilized to measure aspheric surface topography with the addition of the Y-Theta interface, created by OptiPro. The main function of the air bearing Y-Theta interface is for automated measurements of aspheres and aspheric cylinders. This technology presents a dynamic solution for the most demanding measurement requirements in the precision optics industry.

The Surfcom 5000 offers fast, easy and highly accurate aspheric lens profile measurement with many additional features and capabilities. The user-friendly interface developed by OptiPro streamlines the operator input and reduces the training required for new users. Aspheric measurement and data analysis along with auto peak/valley detection is a distinct capability that the Surfcom 5000 offers. Aspheric data entry can easily be verified with a graphical display and sagita data table. The measurement data can be utilized for in-process development feedback to automated CNC optical fabrication equipment or final measurement inspection documentation. The Surfcom 5000 is able to calculate the optimized base radius and slope errors for advanced aspheric analysis.

The Surfcom 5000 also has an incredibly accurate laser-holographic scale, which allows for dimensional measurement with a wide range of measuring envelopes and resolutions. This accuracy permits sub-micron surface verification. The linear motor-driven precision X-Axis horizontal drive has an integrated linear scale and ceramic guides, providing accurate, rigid, and stable linear motion.