CPC Main Group
G02B 5/00 Optical elements other than lenses (light guides G02B6/00; optical logic elements G02F3/00)
12 direct subcodes
Child Classifications
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- G02B 5/02 Diffusing elements; Afocal elements
- G02B 5/04 Prisms
- G02B 5/08 Mirrors
- G02B 5/12 Reflex reflectors
- G02B 5/18 Diffraction gratings
- G02B 5/20 Filters (polarising elements G02B5/30)
- G02B 5/30 Polarising elements (light-modulating devices with active elements G02F1/00)
- G02B 5/32 Holograms used as optical elements