Patent · US Expired

Optical frequency multiple signal processing method

US5255218A · kind A · utility

4Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1991
Grant dateOct 19, 1993
Priority date
Expiry dateSep 19, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B7/00455
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A frequency multiple outgoing light is obtained by intensity-modulating a frequency multiple incident light in frequency domain, after irradiating a pump beam to an optical recording medium consisting of photochromic material and the like to generate optical Stark effect thereon and shifting the light absorption spectrum of the optical recording medium by optical Stark effect.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.