Method of fabricating integrated optical guides of glass

Details Method of fabricating integrated optical guides of glass Method of fabricating integrated optical guides of glass

1992-02-27

1993-12-14

Gonzalez, Frank

Optical waveguides

Planar optical waveguide

385132, 385142, 65 314, 65 3013, G02B 610

Patent

active

052710823

ABSTRACT:
Refractive index change in a glass substrate, necessary to obtain a guiding region, is obtained by bombarding the substrate surface with an electron beam. An electric field induced by negative charge accumulation is created under the surface, whereby sodium ions present in glass are made to migrate towards the inside of the substrate.

REFERENCES:
patent: 3880630 (1975-04-01), Izawa
patent: 4510344 (1985-04-01), Berman
patent: 4983255 (1991-01-01), Gruenwald et al.
patent: 5035734 (1991-07-01), Honkanen et al.
Waveguide Fabrication for Integrated Optics by Electron Beam Irradiat of Silica, Barbier et al. pp. 715-720, vol. 9, No. 6, Jun. 1991, IEEE Electronics Letters Feb. 28, 1991, vol. 27, No. 5, J. Bell et al., pp. 448-450, "Channel Optical Waveguides Directly Written In Glass With An Electron Beam".
Applied Physics Letters, vol. 57, No. 27, Dec. 31, 1990, pp. 2902-2903, Madden et al., "Optical Channel Waveguide Fabrication . . . ".

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