Patent · US Expired

Device and method for reduction of spontaneous emission from external cavity lasers

US6690709B2 · kind B2 · utility

1Cited by

8References

16Claims

0Family size

Assignee

Radians Innova AB · SE

Inventors

Mats Hagberg · Svenljunga, SE
Tomas Berg · Halmstad, SE
Bengt Kleman · Gothenburg, SE
Tomas Lock · Heby, SE

Key dates

Filing date	Dec 7, 2001
Grant date	Feb 10, 2004
Priority date	—
Expiry date	Dec 7, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01S5/143
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present invention relates to a device for outcoupling of light in an external cavity laser, which external cavity laser comprises at least one light source, at least one wavelength selective feedback element, at least one polarization selective beam-splitting optical element, and at least one Faraday-rotator element.

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