Radius of Curvature Measurement System
The radius-of-curvature measurement system uses an interferometer and the cat’s-eye/confocal method to measure the radii of curvature of optical components. Its measurement accuracy is better than that of commercial spherometers, especially for large-aperture components with long radii. The system includes a high-precision guideway and a high-precision linear measurement system, using a grating scale or a laser length-measuring interferometer. Guideway and grating-scale lengths can be configured to user requirements.
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