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. 15, 2005
Filed:
Oct. 04, 2002
Shufang Luo, Blacksburg, VA (US);
Jennifer L. Elster, Blacksburg, VA (US);
Yongcheng Liu, Blacksburg, VA (US);
Artur Sucheta, Lebanon, NH (US);
Shufang Luo, Blacksburg, VA (US);
Jennifer L. Elster, Blacksburg, VA (US);
Yongcheng Liu, Blacksburg, VA (US);
Artur Sucheta, Lebanon, NH (US);
Luna Innovations, Inc., Blacksburg, VA (US);
Abstract
Various exemplary embodiments, devices, systems, and methods for sensing moisture are disclosed, including at least one moisture sensor that comprises an optical fiber, a long period grating formed in at least a portion of the optical fiber, and a layer of PEI bonded to the long period grating. One exemplary embodiment comprises a system for measuring humidity, the system comprising an optical fiber moisture sensor having a mono-layer of PEI covalently-bonded to an outer surface of said optical fiber, a processor coupled to said optical fiber moisture sensor, and a moisture indicator coupled to said processor.