Sensitivity improvement of optical-fiber temperature sensor with solid cladding material based on multimode interference

Hideki Fukano, Yohei Kushida, Shuji Taue

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We have developed a simple, high-sensitivity optical-fiber temperature sensor based on multimode interference (MMI). The fabricated MMI structure comprises three segmented fibers: a single-mode fiber (SMF); a large-core multimode fiber (MMF), whose outer surface is coated with a temperature-sensitive material; and another SMF. Fluoroacrylate and silicone rubber are tested as temperature-sensitive cladding materials. The silicone rubber coating exhibits a large shift in interference wavelength with temperature, producing a very fine temperature resolution as low as 0.01°C.

Original languageEnglish
Article number032502
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume54
Issue number3
DOIs
Publication statusPublished - Mar 1 2015

Fingerprint

temperature sensors
Temperature sensors
Optical fibers
optical fibers
interference
silicone rubber
fibers
sensitivity
Single mode fibers
rubber coatings
Rubber coatings
Silicone coatings
Temperature
Multimode fibers
temperature
rubber
Silicones
Rubber
Wavelength
Fibers

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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