Sensitivity Characteristics of Multimode-Interference Optical-Fiber Temperature-Sensor with Solid Cladding Material

Hideki Fukano, Daichi Watanabe, Shuji Taue

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A simple analytical calculation method providing convenient design criteria for the realization of high sensitivity temperature sensor is presented. Such an approach is applicable to any type of multimode interference (MMI) structure with different core/cladding compositions. A low-complexity optical-fiber temperature sensor, based on MMI using epoxy resin as a solid cladding material, is evaluated with wavelengths ranging from 1200 to 1700 nm. We analytically proved a mechanism providing high temperature sensitivity of the MMI sensor with solid cladding material, whose refractive index depends on the wavelength. The temperature sensitivity around a wavelength of 1200 nm is -0.96 nm/°C, while at 1650 nm is -5.96 nm/°C, which is more than six times larger. These results agree well with the proposed simple calculation model.

Original languageEnglish
Article number7589106
Pages (from-to)8921-8927
Number of pages7
JournalIEEE Sensors Journal
Volume16
Issue number24
DOIs
Publication statusPublished - Dec 15 2016

Fingerprint

temperature sensors
Temperature sensors
Optical fibers
optical fibers
interference
Wavelength
sensitivity
wavelengths
epoxy resins
Epoxy resins
Refractive index
refractivity
Temperature
sensors
Sensors
Chemical analysis
temperature

Keywords

  • multimode fiber (MMF)
  • Multimode interference (MMI)
  • optical-fiber sensor
  • temperature sensor

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Sensitivity Characteristics of Multimode-Interference Optical-Fiber Temperature-Sensor with Solid Cladding Material. / Fukano, Hideki; Watanabe, Daichi; Taue, Shuji.

In: IEEE Sensors Journal, Vol. 16, No. 24, 7589106, 15.12.2016, p. 8921-8927.

Research output: Contribution to journalArticle

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