Integrated optical head

Details Integrated optical head Integrated optical head

1987-08-20

1989-12-12

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369122, 350 9612, G11B 7135, G02B 612

Patent

active

048872555

ABSTRACT:
An integrated optical head includes a substrate and an optical waveguide formed on a surface of one side of a substrate. Light is directed to the optical waveguide and a grating structure is provided for deflecting light propagating in the optical waveguide toward the substrate. A distributed refractive index lens is formed in the substrate for condensing the light passing through the substrate after the deflection toward an article.

REFERENCES:
patent: 4425023 (1984-01-01), Matsumoto et al.
patent: 4453801 (1984-06-01), Verber et al.
patent: 4470661 (1984-09-01), Matsumoto
patent: 4523803 (1985-06-01), Arao et al.
patent: 4693548 (1987-09-01), Tsunoi
patent: 4747090 (1988-05-01), Yamashita et al.
patent: 4760569 (1988-07-01), Mahlein

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