Biaspherical lens

Details Biaspherical lens Biaspherical lens

1985-01-07

1987-02-10

Corbin, John K.

350416, G02B 302, G02B 1318

Patent

active

046419292

ABSTRACT:
A single element lens having two aspherical refractive surfaces comprises a lens substrate and two layers of transparent plastic. Each layer has an aspherical outer profile. The lens substrate is a sphere and can be manufactured simply and cheaply.

REFERENCES:
patent: 3535023 (1970-10-01), Tamanaka et al.
patent: 4027952 (1977-06-01), Hugues
Epstein, L.; "A Device for Deflecting Light Beams Through Very Small Angles"; Applied Optics; vol. 10, No. 1; p. 73; Jan. 1971.
Born, et al. Principles of Optics, 1970, pp. 197-202.
Wassermann; G. D., et al. "On the Theory of Aplanatic Aspheric Systems." Proc. of the Phys. Soc., vol. 62, No. 349B, pp. 2-8 (1949).

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