Method for assessing a vertex radius of curvature

Details Method for assessing a vertex radius of curvature Method for assessing a vertex radius of curvature

1992-03-30

1994-02-01

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356360, 356376, G01B 902

Patent

active

052836290

ABSTRACT:
A method for determining a vertex radius of curvature for an optical surface. The method comprises subjecting the optical surface to a classical collimation testing procedure, so that the optical surface simulates a paraboloid; and, subjecting the optical surface to a vertex focusing interferometric testing procedure, so that a vertex radius of the optical surface can be determined.

REFERENCES:
patent: 4958931 (1990-09-01), Tatian

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