Optical waveguides – With optical coupler – Input/output coupler
Patent
1999-10-29
2000-12-12
Lee, John D.
Optical waveguides
With optical coupler
Input/output coupler
359569, 430290, 430321, G02B 634
Patent
active
061609358
ABSTRACT:
A method for creating nonuniform grating strengths within fiber optic includes exposing photosensitive fiber optic material to an optical source for various periods of time through a mask. As the fiber optic material is exposed, the grating strength of the fiber changes. By linearly exposing the fiber optic material to different durations of optical energy, nonuniform grating strengths are created within the fiber, thereby creating a fiber optic section having asymmetric grating strengths.
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Bourgholtzer Stephen L.
Gaeta Celestino J.
Ng Willie W.
Duraiswamy V. D.
Hughes Electronics Corporation
Lee John D.
Sales M. W.
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