Multicore Fiber Sensors for Simultaneous Measurement of Force and Temperature

Amy Van Newkirk, J. Enrique Antonio-Lopez, Guillermo Salceda-Delgado, Mohammad Umar Piracha, Rodrigo Amezcua-Correa, Axel Schülzgen

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


We demonstrate a force and temperature sensor consisting of a multicore fiber (MCF) spliced between two single-mode fibers. Increasing of the sensitivity to applied force is achieved through etching of the MCF cladding, with an overall increase of 7× compared with a 125-μm MCF device, and 12× compared with a standard fiber Bragg grating (FBG). Simultaneous decoupling of force and temperature with high accuracy is demonstrated using two MCF sections with different outer diameters. This device has robust operation up to 1000 °C, making it more suitable than FBGs for extreme environments.

Original languageEnglish (US)
Article number7097696
Pages (from-to)1523-1526
Number of pages4
JournalIEEE Photonics Technology Letters
Issue number14
StatePublished - Jul 15 2015

All Science Journal Classification (ASJC) codes

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


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