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Fast Measurement of Complex Lenses

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OptiCentric® 101 DualTRIOPTICS launches the next generation of centration measurement systems with two measurement heads: the OptiCentric® 101 Dual. It allows the measurement and alignment of complex lens assemblies with significantly reduced time requirements. With the new OptiCentric® 101 series, the stability of the measurement head has been significantly increased and an improvement in the efficiency of the measuring process has been achieved. In continuation of the new OptiCentric® generation, these advantages are now also available with the OptiCentric® 101 Dual: the version with two measuring heads.

The special highlight of the OptiCentric® 101 Dual is that both measurement heads can be used simultaneously for measurement. This was achieved by introducing a stroboscope illumination. “For simultaneous measurement, it is important that each measurement head only registers the light that was sent by the respective head and is reflected by the sample. This task is solved by the new triggered stroboscopic illumination with its opposite clocking between the measurement heads,” explains division manager Dr. Patrik Langehanenberg. Two surfaces are now being measured simultaneously during one sample rotation, since crosstalk between the measurement heads is ruled out. “The measurement time is reduced by up to half compared to the previous system. In the production testing of multi-lens systems, this time saving is an enormous advantage,” says Patrik Langehanenberg.

Another important application made possible by this feature can be seen in lens alignment. Here, both the inclination and the displacement of the lens or objective axis are monitored simultaneously. Patrik Langehanenberg summarizes this as follows: “This means that the measurement and alignment of a lens in all 4 degrees of freedom – tilting and shifting in each of the x and y directions – is simultaneous, defined and, above all, efficient, since no iterations are required.”

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ProductsTest & Measurementcentration measurementcentration testingobjective lenseslens systemsmetrology

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