Highly Sensitive Current Sensor Based on an Optical Microfiber Loop Resonator Incorporating Low Index Polymer Overlay

Title
Highly Sensitive Current Sensor Based on an Optical Microfiber Loop Resonator Incorporating Low Index Polymer Overlay
Authors
한영근
Keywords
Electric current sensors; fiber-optic sensors; microfiber; microfiber loop resonator
Issue Date
2015-06
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
JOURNAL OF LIGHTWAVE TECHNOLOGY, v. 33, Issue. 12, Page. 2386-2391
Abstract
A highly sensitive current sensor based on an optical microfiber loop resonator (MLR) incorporating low index polymer is proposed and experimentally demonstrated. The microfiber with a waist diameter of 2 mu m is wrapped around the nichrome wire with low index polymer overlay to realize the MLR as the highly sensitive current sensor. Low index polymer overlay can successfully reduce round-trip fractional loss resulting in the improvement of the Q-factor (Q) and the finesse (F) of the MLR around the nichrome wire. The use of the microfiber with a waist diameter of 2 mu m and low index polymer with high thermal property can effectively improve the current sensitivity of the proposed MLR to be 437.9 pm/A(2).
URI
http://ieeexplore.ieee.org/document/6977906/http://hdl.handle.net/20.500.11754/25573
ISSN
0733-8724; 1558-2213
DOI
http://dx.doi.org/10.1109/JLT.2014.2371030
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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