Patent classifications
G
PHYSICS
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G02
OPTICS
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G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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6/00
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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G02B6/28
having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
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G02B6/293
with wavelength selective means
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G02B6/29304
operating by diffraction, e.g. grating
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G02B6/29316
Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
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G02B6/29317
Light guides of the optical fibre type
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G02B6/29319
With a cascade of diffractive elements or of diffraction operations
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G02B6/2932
comprising a directional router, e.g. directional coupler, circulator
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