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:
Nov. 02, 1993
Filed:
Mar. 13, 1992
David L Peterson, Pittsford, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A monolithic laser diode and monitor photodetector is disclosed wherein the photodetector is placed at a tilt angle .chi., within a predetermined range of tilt angles, with respect to the laser diode back facet. The predetermined range of tilt angles is selected according to the thickness and refractive index of the dielectric coating so as to reduce the susceptibility of the photodetector performance to variations in the dielectric coating deposited simultaneously on the output facet of the laser diode and the light collection surface of the photodetector and to significantly reduce the amount of the optical power reflected from the light collection surface of the photodetector onto the laser diode back facet.