Premium
Enhanced temperature sensitivity of fiber Bragg grating temperature sensor using thermal expansion of copper tube
Author(s) -
Lee CherlHee,
Kim MinKuk,
Kim Kwang Tack,
Lee Jonghun
Publication year - 2011
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.26032
Subject(s) - fiber bragg grating , materials science , thermal expansion , tube (container) , copper , sensitivity (control systems) , thermal , microwave , optics , epoxy , composite material , grating , optical fiber , optoelectronics , electronic engineering , physics , engineering , metallurgy , telecommunications , wavelength , meteorology
The temperature sensitivity of fiber Bragg grating (FBG) temperature sensor is enhanced when using a copper tube to jacket of the FBG.Both sides of the FBG are glued with epoxy to cylindrical ferrules tubes that in turn is inserted and glued to a cylindrical copper tube. As the high thermal expansion coefficient of the cylindrical copper tube pulls both sides of the FBG, the temperature sensitivity is improved 3.3‐fold when compared to that of a bare FBG. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26032