Patent · US Expired

Optical photorefractive article

US5607799A · kind A · utility

7Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 1994
Grant dateMar 4, 1997
Priority date
Expiry dateApr 21, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03H2260/54
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to a three-component optical photorefractive article having improved diffraction efficiency. The article comprises (i) nonphotoconductive polymer, (ii) benzimidazoline, and (iii) a sensitizer.

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