Refractive index distribution type meniscus lens and optics

Details Refractive index distribution type meniscus lens and optics Refractive index distribution type meniscus lens and optics

1986-01-28

1990-12-04

Arnold, Bruce Y.

G02B 906, G02B 912

Patent

active

049749471

ABSTRACT:
A refractive index distribution type meniscus-shaped single lens characterized in that it has a refractive index distribution in which the refractive index decreases along the optic axis thereof from a convex surface to a concave surface and the difference .DELTA.N in refractive index between the convex surface and the concave surface on the optic axis satisfies .DELTA.N.gtoreq.0.15.

REFERENCES:
patent: 2216965 (1940-10-01), Sukumlyn
patent: 3718383 (1973-02-01), Moore
patent: 3729253 (1973-04-01), Moore et al.
patent: 4762403 (1988-08-01), Hattori
Introduction to Classical and Modern Optics, Second Edition, Jurgen R. Meyer-Arendt, M.D. pp. 362-365 (1984).
"Design of a Gradient-Index Photographic Objective", Applied Optics, vol. 21, No. 6, pp. 993-998 (Mar. 15, 1982).
"Gradient-Index Wide-Angle Photographic Objective Design", Applied Optics, vol. 23, No. 11, pp. 1735-1741 (Jun. 1, 1984).

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