Coating processes – Optical element produced – Polarizer – windshield – optical fiber – projection screen – or...
Patent
1996-12-24
1998-06-02
Bell, Janyce
Coating processes
Optical element produced
Polarizer, windshield, optical fiber, projection screen, or...
427282, 427287, 4273833, 4273835, 427399, 427404, B05D 506
Patent
active
057596190
ABSTRACT:
A method of adaptively varying and locking a wavelength of high power infrared laser diode for use in a blue laser using second harmonic generation. The method including the steps of: forming a pattern for forming a periodic domain inverted area on a substrate of a non-linear medium; performing proton-exchange and quick heat-treatment for the substrate on which the pattern is formed to thereby form the periodic domain inverted area having predetermined period and width; forming a straight optical waveguide and a segmented optical waveguide, in the direction perpendicular to the periodic domain inverted area; and vacuum-evaporating an insulating buffer layer on the substrate where the periodic domain inverted area and the straight and segmented optical waveguides are formed and forming a metal electrode on the insulating buffer layer on the upper portion of the segmented optical waveguide to thereby execute polishing end facet and AR coating.
REFERENCES:
patent: 5380410 (1995-01-01), Sawaki et al.
patent: 5393561 (1995-02-01), Bierlein et al.
Bell Janyce
LG Electronics Inc.
White John P.
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