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Optical System Inspection

Photonics Spectra
Mar 2011
TRIOPTICS GmbHRequest Info
Measuring lens centering, air spacing and center thickness inside an assembled optical system is now possible with a single instrument. The OptiCentric 3D from Trioptics GmbH offers optomechanical characterization of assembled optical systems. It integrates various lens analysis technologies and provides a tool for the evaluation of complex optical systems in R&D or routine quality inspection applications in production. The two-in-one solution for the detailed investigation of assembled objective lenses combines the OptiCentric centering error measurement technology with a low-coherence interferometer called OptiSurf, measuring the air gaps between lens surfaces and the center thickness of lenses within the optical system. The cross-interaction of both measurement systems enables fast alignment of the lens system, increases measurement accuracy and provides detailed manufacturing quality information.


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center thickness
The lens thickness measured at the optical axis.
An instrument that employs the interference of lightwaves to measure the accuracy of optical surfaces; it can measure a length in terms of the length of a wave of light by using interference phenomena based on the wave characteristics of light. Interferometers are used extensively for testing optical elements during manufacture. Typical designs include the Michelson, Twyman-Green and Fizeau interferometers. The basic interferometer components are a light source, a beamsplitter, a reference...
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