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:
Sep. 20, 1983
Filed:
Aug. 13, 1981
Yoshinobu Mitsuhashi, Sakura, JP;
Junichi Shimada, Sakura, JP;
Kenjiro Sakurai, Sakura, JP;
Yukinobu Nakamura, Asaka, JP;
Other;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A semiconductor ring laser apparatus is provided which comprises a semiconductor laser element having a waveguide region therein and parallel cleavage planes formed between the waveguide region and the medium adjacent thereto. The waveguide region is inclined at a Brewster angle with respect to the normal to the cleavage planes in relation to the medium of the waveguide region and the adjacent medium, and optical means which have a ring-formed optical path are optically coupled to the waveguide region for receiving light therefrom through one of the cleavage planes. These optical means return at least a portion of the light from one of the cleavage planes to the other of the cleavage planes, with the semiconductor laser element and the optical means thereby forming a ring laser oscillator.