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. 14, 1993
Filed:
Jul. 16, 1990
Francisco Villuendas Yuste, Zaragoza, ES;
Francisco Javier Pelayo Zueco, Zaragoza, ES;
Cables de Communicaciones S.A., Zaragoza, ES;
Abstract
Optical fiber sensor in an external medium based on the excitation of surface plasmon comprised of a sensor head formed by a transparent body having a first flat surface provided with a thin metal layer on which the optical excitation of the surface plasmon is produced. A mirrored surface positioned perpendicular to the first flat surface and a second flat surface forming an angle .PHI. determined by the refractive indexes of the transparent body and of the external medium. The sensor emitting light to the transparent body and detecting light from the transparent body, whereby variations of the optical properties of the sensor are determined.