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Metrology

To deliver high quality components and systems, it is critical to accurately measure and test processed optical components with high precision and accuracy.

We have invested in world-class measurement equipment to ensure the parts our customers receive meet the most exacting of specifications.

We use a range of interferometric measurement systems during production and at the end of processes as part of our quality assurance procedures. This enables us to provide a broad range of exceptionally high-quality precision optical components and assemblies.

Metrology Instrument / SystemCapabilities
6” GPI™ LC interferometerVisual fringe analysis of flat or spherical surfaces
Transmitted wavefront measurement, OD≤4
NewView™ 5000 white light interferometerFast, non-contact, high-precision 3D metrology of surface features
QED SSI stitching interferometerMeasures aspheric optics up to 1000 λ from best fit sphere
Measures components with NA up to 1 (full hemispheres)
Measures plano, convex, or concave surfaces, OD≤200 mm
Form Talysurf® PGI 1240 and 1250Measures dimension, form, and texture on curved surfaces
Nikon 6D AutocollimatorPrism angle measurement
Opticentric®Centration measurement and alignment
Computer generated holograms (CGH)3D full aperture testing in conjunction with an interferometer
Can create virtually any wavefront shape
Laser centration systemsUsed for aberration-corrected lens assemblies
Enables mechanical re-balancing and pusher cell technology to optimize lens systems
Coordinate measuring machines (CMM)Used for aberration-corrected lens assemblies
Measures microscope objectives and complex lenses in 3D

ZYGO® is a registered trademark of the Zygo Corporation

GPI™ and NewView™ are trademarks of the Zygo Corporation

Talysurf® is a registered trademark of Taylor Hobson

PrismMaster® and Opticentric® are registered trademarks of Trioptics