Optical: systems and elements – Lens – With graded refractive index
Patent
1990-12-18
1993-08-24
Arnold, Bruce Y.
Optical: systems and elements
Lens
With graded refractive index
359652, G02B 300
Patent
active
052394131
ABSTRACT:
A high performance objective lens system for microscopes comprising a plurality but a very small number of lens elements at least one of which is designed as an axial GRIN lens element.
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patent: 4848882 (1989-07-01), Suzuki et al.
patent: 4880298 (1989-11-01), Takada
patent: 4930880 (1990-06-01), Miyauchi
patent: 5059005 (1991-10-01), Kawano
Arnold Bruce Y.
Dang Hung Xuan
Olympus Optical Co,. Ltd.
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