Patent · US Expired

Optical waveguide resonator filters

US4750801A · kind A · utility

14Cited by
2References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 1985
Grant dateJun 14, 1988
Priority date—
Expiry dateSep 30, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S359/90
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical filter using first and second grating sections separated by a changed refractive index section operates as a narrowband grating resonator.

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