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:
Oct. 02, 2001
Filed:
Sep. 21, 1999
Yinchieh Lai, Taichung, TW;
Yuh-Wen Chen, Taichung Hsien, TW;
Ching-Long Ong, Taichung, TW;
Ben Hong, Taipei-Hsien, TW;
Jiam-Hwa Lee, Taichung, TW;
Rwei-Ping Ma, Taichung, TW;
Shih-Chu Wu, Tainan, TW;
Ming-Yang Tsai, Taichung Hsien, TW;
Cheng-Ching Lee, Taichung Hsien, TW;
Abstract
A distributed fiber-grating-based sensing system, the system comprises one or more scanned birefringence fiber interferometers to detect the small wavelength shift of the light reflected from the fiber grating, a wavelength demultiplexer to separate the lights from each fiber grating, a reference fiber grating for determining the absolute optical wavelengths. Compared with the prior art, the system has advantages of easier fabrication, better stabilization, and can be customized for different applications.