High precision, dynamic interferometer combines short and long coherence capabilities into one system for measuring an expanded range of optics. 4D Technology, a subsidiary of Onto Innovation, ...

The beam of a laser is expanded by a telescope (expander) to illuminate a point source array (PSA). The PSA contains diffractive microlenses on its front side that focus the incoming light onto a ...

Optical Surfaces Ltd has received an order from Armstrong Optical, a leading UK supplier of optical metrology instruments, to supply high specification transmission and reference flats for a custom ...

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In order to push the performance of optical systems, aspheric- and freeform surfaces are used in state-of-the-art optic design for correcting aberrations. The production of these complex-shaped ...

High precision, dynamic interferometer combines short and long coherence capabilities into one system for measuring an expanded range of optics. The AccuFiz Duo Fizeau interferometer combines short ...