Multimode-interferencestructure optical-fiber temperature sensor with high sensitivity

Hideki Fukano, Yohei Kushid, Shuji Taue

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


We have developed a very simple high-sensitivity fiber temperature sensor using multimode interference. The fabricated multimode interference structure comprises a large-core multimode fiber (MMF) sandwiched between single-mode fibers. Silicone rubber is coated onto the MMF as a cladding material. This silicone rubber coating exhibits a large refractive-index change with temperature that produces a very fine temperature resolution as low as 1 ×10-2°C.

Original languageEnglish
Article number20130812
JournalIEICE Electronics Express
Issue number24
Publication statusPublished - 2013


  • MMI
  • Multimode interference
  • Optical fiber sensor
  • Refractive index sensor
  • Temperature sensor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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