Color-corrected optical systems and method of selecting optical

Details Color-corrected optical systems and method of selecting optical Color-corrected optical systems and method of selecting optical

1990-11-19

1993-05-11

Sugarman, Scott J.

Optical: systems and elements

Lens

Multiple component lenses

359796, 359797, G02B 904

Patent

active

052106462

ABSTRACT:
A method is described for selecting optical materials to use in designing color-corrected optical systems. Various dioptric, catadioptric and anamorphic optical systems are described, which use only two different types of optical materials to obtain precise axial color correction at three, four or five wavelengths (depending upon the particular optical materials), with only very small chromatic aberration occurring at wavelengths between the precisely color-corrected wavelengths. Examples of color-corrected lens systems comprising more than two glasses are also described.

REFERENCES:
Willey, Jr.; "Machine Aidad Selection of Optical Glasses for Two-Element, Three-Color Achromats", Applied Optics; vol. 1, No. 3; May 1962; pp. 368-369.
Kubota, Optics, Iwanami Books, 1971, pp. 53-55.

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