The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2013
Filed:
Aug. 12, 2008
Ulrich Weichmann, Aachen, DE;
Jaione Bengoechea Apezteguia, Aachen, DE;
Holger Moench, Vaals, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The present invention relates to a switchable dual wavelength solid state laser with a solid state gain medium () which is selected to emit optical radiation at a first wavelength with a first polarization and of at least a second wavelength with a second polarization different from said first polarization when optically or electrically pumped. A polarizing device () is arranged within the laser cavity, said polarizing device () being adjustable at least between said first and said second polarization. The two end mirrors () of the laser cavity are designed to allow lasing of the solid state laser at the first wavelength when the polarizing device () is adjusted to the first polarization, and to allow lasing of the solid state laser at the second wavelength when the polarizing device () is adjusted to the second polarization. The proposed solid state laser allows an easy switching between two emission wavelengths.