DIFF Subgroup
G02F 1/377 in an optical waveguide structure
Introduced: January 2000
Full Title
Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics > Non-linear optics > for second-harmonic generation > in an optical waveguide structure
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2000.
Child Classifications
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