1984-12-26
1987-03-03
Corbin, John K.
G02B 300
Patent
active
046471596
ABSTRACT:
In a gradient index type single lens having a gradient index in a direction perpendicular to the optic axis thereof, the surface of the single lens on the light beam incidence side when the single lens is used at a reduced magnification forms a planar surface, the surface of the single lens on the light beam emergence side forms a convex surface and are satisfied the following conditions:
REFERENCES:
Nishi et al., "Selfoc Microlens with a Spherical Surface," Applied Optics, vol. 21, No. 6, Mar. 15, 1982, pp. 1021-1023.
Canon Kabushiki Kaisha
Corbin John K.
Gass Rebecca D.
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