Method and system for measuring the imaging quality of an...

Details Method and system for measuring the imaging quality of an... Method and system for measuring the imaging quality of an...

2006-07-11

2006-07-11

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

Lens or reflective image former testing

C356S121000, C356S608000, C250S201900, C382S255000

Reexamination Certificate

active

07075633

ABSTRACT:
An object pattern is imaged by an imaging system onto the image plane of the imaging system at a location where a reference pattern suited to the object pattern is situated in order to measure the imaging fidelity of an optical imaging system, for example, an eyeglass lens, a photographic lens, or a projection lens, for use in the visible spectral range. The resultant, two-dimensional, superposition pattern is detected in a spatially resolved manner in order to determine imaging parameters therefrom. The object pattern is generated with the aid of at least one electronically controllable pattern generator that serves as a self-luminous, electronically configurable, incoherent light source and may, for example, have a color monitor. The measuring system allows rapidly, flexibly, checking optical imaging systems with minimal time and effort spent on the mechanical setup required.

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Katsuyuki Omura, et al “Phase Measuring Ronchi Test”, Applied Optics, vol. 27, No. 3, pp. 523-528, Feb. 1, 1988.

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