Patent · US Expired

Optical waveguides and devices including same

US6643442B2 · kind B2 · utility

5Cited by
6References
82Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2002
Grant dateNov 4, 2003
Priority date—
Expiry dateSep 12, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S3/1655
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Optical waveguides having a waveguide channel of photosensitive silica glass with a modified refractive index optically written therein, wherein the photosensitive glass comprises oxides of silicon, tin and at least one Group I element, where such optical waveguide devices include optical fiber gratings, optical fiber dispersion compensators, optical fiber sensors, optical fiber lasers, and planar waveguide devices.

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