Patent · US Expired

Athermal laser glass

US4022707A · kind A · utility

18Cited by

6References

8Claims

0Family size

Assignee

Jenaer Glaswerk, Schott & Gen. · DE

Inventors

Otto Deutschbein · Montrouge, FR
Marga Faulstich
Norbert Neuroth
Walter Jahn · Ehningen, DE

Key dates

Filing date	Nov 17, 1975
Grant date	May 10, 1977
Priority date	—
Expiry date	Nov 17, 1995

Classification

Technology area (CPC H)Electricity
CPC primaryH01S3/08072
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A neodymium-doped phosphate laser glass composition having a low threshold for stimulated emission, a negative temperature coefficient of refractive index, high acid resistence and homogeneity even in large structures comprises P.sub.2 O.sub.5, Na.sub.2 O or K.sub.2 O, Al.sub.2 O.sub.3, Nd.sub.2 O.sub.3, and optionally, F or RO, wherein R is Mg, Ba, Ca, Sr or Zn.

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