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:
Jul. 02, 2019
Filed:
May. 23, 2017
Nkt Photonics A/s, Birkerød, DK;
Jens E. Pedersen, Birkerød, DK;
Poul Varming, Copenhagen, DK;
Christian V. Poulsen, Lynge, DK;
Thomas O. Fagerhøj, Roskilde, DK;
Bjarke Gøth, Roskilde, DK;
Henrik Sørensen, Farum, DK;
NKT PHOTONICS A/S, Birkerod, DK;
Abstract
A laser device includes a tunable laser having a laser cavity and a laser control module placed outside the laser cavity, the tunable laser being configured to generate laser light having a center frequency, the laser control module being configured to receive at least a portion of the laser light generated by the laser, to generate a control signal and to feed the control signal back to the laser for stabilizing the frequency, wherein the laser control module includes an interferometer having interferometer mirrors and a tunable interferometer length, and wherein the interferometer length is tunable by an actuator arranged between the interferometer mirrors and by thermal variation.