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. 22, 1998
Filed:
Jan. 21, 1997
Isamu Ohishi, Yokohama, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
An optical module and a temperature control method therefor, wherein the optical module includes a light-emitting device, an optical waveguide, a cooling device for cooling the light-emitting device, and a package for containing the light-emitting device, one end portion of the optical waveguide and the cooling device, and wherein the light-emitting device and the optical waveguide are optically coupled to each other. The optical waveguide has a grating section formed at the one end portion contained in the package for selectively reflecting only light with a fixed wavelength, and the cooling device cools the grating section in addition to the light-emitting device.