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Applications Form, Waviness, Roughness Automated Image Inspection Step Height Dynamic Metrology Film Thickness Transmitted Wavefront Radius of Curvature Homogeneity Position & Angle Measurement |
Radius of Curvature Optical Testing Applications
Radius of Curvature is a critical design parameter in optical manufacturing. Many of ZYGO's optical interferometer products can be used to make high-accuracy radius of curvature measurements by measuring the distance between "cats eye" and confocal positions. This requires the purchase of a position measurement system consisting of either a linear encoder scale or, for extremely high accuracy measurements, ZYGO's distance measuring interferometer system. ZYGO's proprietary Radius of Curvature application for the MetroPro® analysis software is also required.
PTI™ 250 - Both manual and semi-automated systems are available. Please consult the PTI™ 250 Accessories Guide for details. GPI™ & VeriFire™ - Several configurations are available, horizontal or vertical orientation, using either linear encoder scale or ZYGO's distance measuring interferometer. Please consult the GPI™/VeriFire™ Accessories Guide for details. MetroCell - The MetroCell vertical workstation enables high accuracy radius of curvature measurements in a vertical downward looking configuration. The MetroCell can be configured with either a linear encoder or displacement interferometer for precision measurement of the distance between the catseye and confocal positions. The VeriFire™ Asphere system offers the ability to perform semi-automated radius measurements with 5-axes of motorized staging and a dual axis displacement interferometer. |
Application Notes 
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Contact ZYGO today to learn more about radius of curvature metrology!
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