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. 09, 2003
Filed:
May. 09, 2001
Applicant:
Inventors:
Myung-Hyun Lee, Taejon, KR;
Yoo Hong Min, Taejon, KR;
Jung Jin Ju, Taejon, KR;
Seung Koo Park, Taejon, KR;
Jung Yun Do, Taejon, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/26 ;
U.S. Cl.
CPC ...
G02B 6/26 ;
Abstract
A tunable Fabry-Perot filter is provided with two optical fibers each being coated with a high-reflective thin film at its one end, a silicon block for aligning the two optical fibers with each other having a pair of V-shaped grooves formed at both ends thereof, respectively, a resonant cavity medium of silicon or polymeric material having a high coefficient of thermo-optic effect, and a thermal electrode for applying heat to the resonant cavity medium.