1986-02-19
1987-06-23
Corbin, John K.
350 9631, G02B 300, G02B 618
Patent
active
046748431
ABSTRACT:
A gradient index lens includes first and second flat end faces. A refractive index N(.gamma.) at a position deviated by a distance .gamma. from an optical axis of the lens is given as
REFERENCES:
patent: 3637295 (1972-01-01), Matsumura et al.
patent: 3827785 (1974-08-01), Matsushita et al.
patent: 4025157 (1977-05-01), Martin
Baba Takeshi
Hattori Jun
Canon Kabushiki Kaisha
Corbin John K.
Sugarman Scott J.
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