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Temperature sensor using Hi-Bi erbium-doped fiber loop mirror

✍ Scribed by Orlando Frazão; Diogo Egypto; Lucas Aragão Bittencourt; Maria T. M. R. Giraldi; M. B. Marques

Book ID
102518956
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
251 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this letter, a temperature sensor using a fiber loop mirror containing a piece of highly birefringent erbium doped fiber is presented. A Hi‐Bi PANDA erbium‐doped silica fiber was used and compared with the conventional Hi‐Bi PANDA fiber. Different results for strain and temperature sensitivity were obtained. The temperature coefficient sensitivity was −2.22 nm/°C and significantly higher when compared with others conventional Hi‐Bi fibers. Strain experiments were also performed. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3152–3154, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23907

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## Abstract An optical current sensor based on a metal coated Hi‐Bi fiber loop mirror is reported. This current sensor quantifies the current through the measurement of the temperature which varies accordingly with the magnitude of the electrical current. The temperature change is analyzed through