CPC Subgroup
G02B 6/26 Optical coupling means (G02B6/36, G02B6/42 take precedence)
Full Title
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings > Coupling light guides > Optical coupling means (G02B6/36, G02B6/42 take precedence)
9 direct subcodes
Child Classifications
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- G02B 6/27 with polarisation selective and adjusting means
- G02B 6/28 having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B 6/30 for use between fibre and thin-film device
- G02B 6/32 having lens focusing means
- G02B 6/34 utilising prism or grating
- G02B 6/35 having switching means (by changing the optical properties of the medium G02F1/00)