Theoretical analysis of temperature sensor based on dual-core fiber

Daru Chen, Gufeng Hu, Baojin Peng, Genzhu Wu, Hwa Yaw Tam

Research output: Journal article publicationJournal articleAcademic researchpeer-review

1 Citation (Scopus)


A novel temperature sensor based on a dual-core fiber (DCF) is proposed and theoretically analyzed. The DCF-based temperature sensor is simply formed by splicing a segment of DCF to two segments of single mode fibers, where the DCF is used as the sensing element. The mode coupling between two fiber cores of the DCF is sensitive to the temperature-induced index change of the silica in the DCF. Simulations show that there is a linear relationship between the temperature of the DCF and the wavelength shift of the output spectrum of the DCF-based temperature sensor when the broadband light is injected into one fiber core of the DCF. Temperature sensors based on DCFs with different parameters for temperature sensing are also investigated.
Original languageEnglish
Article numberS10601
JournalChinese Optics Letters
Issue numberSUPPL.1
Publication statusPublished - 1 Jun 2012

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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