ClassID:

175370

G02F1/174 - CPC Classification

Classification description:

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 for the control of the intensity, phase, polarisation or colour  based on variable-absorption elements not provided for in groups - based on absorption band-shift, e.g. Stark - or Franz-Keldysh effect

Recent Application in this class: