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. 23, 2014
Filed:
Mar. 30, 2012
Applicants:
Yongwook Lee, Busan, KR;
Wook Jang, Busan, KR;
Inventors:
YongWook Lee, Busan, KR;
Wook Jang, Busan, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/00 (2013.01);
Abstract
An optical fiber hydrogen sensor and a method of measuring a hydrogen concentration are provided. The optical fiber hydrogen sensor may include a light source, a polarization beam splitter connected to the light source to split light from the light source into two polarization beams, a high-birefringence optical fiber connected to the polarization beam splitter and coated with a hydrogen reactant, and an optical spectrum analyzer connected to the polarization beam splitter to measure interference spectrum generated at the high-birefringence optical fiber.