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Form
Measurement of Ground & Polished Aspheric Optics
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Overview
Spherical Optics made from glass and crystalline materials have traditionally
been ground and polished to deliver the specified form and surface
finish. |
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Aspheric
Optics are typically manufactured in the same way, but require
CNC technology to achieve efficient throughput and quality. Modern
CNC grinding & polishing machines from leading suppliers
such as Schneider / QED, Optotech and LoH are all fully compatible
with Taylor Hobson’s Form Talysurf PGI Aspherics Measurement
System.
Measurement
feedback from the Form Talysurf allows manufacturers to optimise
the form of ground and polished aspheres, delivering
accuracies down to 1/10λ. detailed
in the Talysurf links below. |
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Form
Talysurf PGI Aspheric Measurement Systems
Unique contact
measurement technology delivers world-leading levels of accuracy for
Form & Surface Finish. 1/10λ Form Accuracy, 1/25λ Form Repeatability.
Form Error feedback feature allows the optimisation of CNC Grinding
and Polishing processes. |
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Aspherics
Analysis Software Utility
In-depth analysis
of Aspheric Optics, using Taylor Hobson’s renowned algorithm capability.
Form Error & Surface Finish Parameters, Radius Optimisation, SAG
Tables and Astigmatism Analysis supplied as standard with PGI Aspherics
Systems. Also available is a unique Derived Coefficients module, allowing
the aspheric data to be calculated directly from the component. |
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If
you do not see optics metrology solutions directly relevant to
your specific requirements, please
contact your local Taylor Hobson Sales Office. We have a highly
skilled team of Applications Engineers who can create custom systems
for this and many other high precision
industries.
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