Microcapillary-based high-sensitivity and wavelength-tunable optical temperature sensor

Yun Liu, Zigeng Liu, Shimeng Chen, Ming Han, Wei Peng

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A high-sensitivity and wavelength-tunable temperature sensor based on a short piece of fused-silica microcapillary (FSC) spliced between two single mode fibers (FSCs) and immerged in ethonal solution is proposed and experimentally investigated. Using the thermo-optic effect of ethanol and high sensitivity to refractive index of the FSC modal interference, the temperature sensitivity of the sensor immerged in ethanol solutions is significantly increased over an FSC sensor in air. Besides, the sensitivity and the feature wavelength of the interferometer can be tuned by adjusting the concentration and refractive index of the filling ethonal solution, which is important for achieving the maximum measurement range.

Original languageEnglish (US)
Article number6983530
Pages (from-to)447-450
Number of pages4
JournalIEEE Photonics Technology Letters
Volume27
Issue number4
DOIs
StatePublished - Feb 15 2015

Fingerprint

Optical sensors
temperature sensors
Temperature sensors
Fused silica
silicon dioxide
Wavelength
sensitivity
Refractive index
Ethanol
ethyl alcohol
wavelengths
refractivity
sensors
rangefinding
Sensors
Single mode fibers
Interferometers
Optics
interferometers
adjusting

Keywords

  • Interference
  • fiber optic sensor
  • micro capillary
  • refractive index

ASJC Scopus subject areas

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

Cite this

Microcapillary-based high-sensitivity and wavelength-tunable optical temperature sensor. / Liu, Yun; Liu, Zigeng; Chen, Shimeng; Han, Ming; Peng, Wei.

In: IEEE Photonics Technology Letters, Vol. 27, No. 4, 6983530, 15.02.2015, p. 447-450.

Research output: Contribution to journalArticle

Liu, Yun ; Liu, Zigeng ; Chen, Shimeng ; Han, Ming ; Peng, Wei. / Microcapillary-based high-sensitivity and wavelength-tunable optical temperature sensor. In: IEEE Photonics Technology Letters. 2015 ; Vol. 27, No. 4. pp. 447-450.
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