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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G02B6/29305
as bulk element, i.e. free space arrangement external to a light guide
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G02B6/29313
characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response
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G02B6/29314
by moving or modifying the diffractive element, e.g. deforming
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