Optical: systems and elements – Lens – With graded refractive index
Patent
1990-07-18
1991-12-24
Arnold, Bruce Y.
Optical: systems and elements
Lens
With graded refractive index
359741, 359619, G02B 300, G02B 2700
Patent
active
050746499
ABSTRACT:
Disclosed is a plate with lens array comprising a transparent plate, and a plurality of gradient index lenses, at least two of which have different focal lengths, the lenses being linearly or two-dimensionally arranged in the transparent plate.
REFERENCES:
patent: 4462662 (1984-07-01), Lama
patent: 4509824 (1985-04-01), Yamasaki et al.
Arnold Bruce Y.
Dubno Herbert
Gass Rebecca D.
Nippon Sheet Glass Co. Ltd.
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