Patent · US Active

Light-amplifying glass

US8053383B2 · kind B2 · utility

1Cited by

2References

19Claims

0Family size

Assignee

ASAHI GLASS CO., LTD. · JP

Inventors

Seiki Ohara · Tokyo, JP
Yuki Kondo · Tokyo, JP

Key dates

Filing date	Mar 25, 2011
Grant date	Nov 8, 2011
Priority date	—
Expiry date	Mar 25, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH01S3/176
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

To provide a light-amplifying glass capable of increasing absorption of Yb3+. A light-amplifying glass to be used for amplifying light having a wavelength of 1.0 to 1.2 μm, which comprises, as represented by mol % based on the following oxides, from 30 to 55% of Bi2O3, from 25 to 50% of either one, or both in total, of SiO2 and B2O3, from 12 to 27% of either one, or both in total, of Al2O3 and Ga2O3, from 0 to 4% of La2O3 and from 0.1 to 4% of Yb2O3 and which contains substantially no Er2O3. An optical waveguide having such a light-amplifying glass as a core.

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