Effect of a Waist Diameter of a Microtapered Polarization-Maintaining Fiber on Temperature and Ambient Index Sensitivities

Title
Effect of a Waist Diameter of a Microtapered Polarization-Maintaining Fiber on Temperature and Ambient Index Sensitivities
Authors
한영근
Keywords
Ambient index sensors; fiber-optic sensors; microtapered PMFs; Sagnac interferometers; temperature sensors
Issue Date
2015-06
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
JOURNAL OF LIGHTWAVE TECHNOLOGY, v. 33, Issue. 12, Page. 2585-2590
Abstract
The effect of a waist diameter of a microtapered polarization-maintaining fiber (PMF) on the temperature and the ambient index sensitivities is investigated theoretically and experimentally. Stress-induced and geometrical birefringences strongly depend on the waist diameter of the microtapered PMF, which plays a key role in temperature and ambient index sensitivities of the Sagnac interferometer. By reducing the waist diameter to similar to 5 mu m, we successfully control the ambient index and the temperature sensitivities of the Sagnac interferometer to be -98.7 nm/RIU and -0.16 nm/degrees C, respectively, which are similar to 23 times higher and 1.7 times lower than those with a waist diameter of 25 mu m.
URI
http://ieeexplore.ieee.org/document/6960825/?reload=truehttp://hdl.handle.net/20.500.11754/25574
ISSN
0733-8724; 1558-2213
DOI
http://dx.doi.org/10.1109/JLT.2014.2369575
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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