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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G02B6/02
Optical fibres with cladding; with or without a coating
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G02B6/02295
Microstructured optical fibre
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G02B6/023
having different index layers arranged around the core for guiding light by reflection, i.e. 1D crystal, e.g. omniguide
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G02B6/02304
Core having lower refractive index than cladding, e.g. air filled, hollow core
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