IPC Subgroup
G02F 2/02 Frequency-changing of light, e.g. by quantum counters
Introduced: July 1974
Last revised: January 2006
Full Title
Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light > Frequency-changing of light, e.g. by quantum counters
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS