Chalcogenide Glass-Capped Fiber-Optic Sensor for Real-Time Temperature Monitoring in Extreme Environments
| Autor: | Maria Mitkova, Bahareh Badamchi, Harish Subbaraman, Al-Amin Ahmed Simon |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
optical fiber
Temperature monitoring Optical fiber Materials science Chalcogenide glass temperature sensor 02 engineering and technology lcsh:Chemical technology 01 natural sciences Biochemistry Article Analytical Chemistry law.invention chalcogenide glass law 0103 physical sciences Array data structure lcsh:TP1-1185 Fiber Electrical and Electronic Engineering Instrumentation 010302 applied physics business.industry 021001 nanoscience & nanotechnology Cladding (fiber optics) Atomic and Molecular Physics and Optics Fiber optic sensor Node (physics) Optoelectronics 0210 nano-technology business |
| Zdroj: | Sensors, Vol 21, Iss 1616, p 1616 (2021) Sensors (Basel, Switzerland) Sensors Volume 21 Issue 5 |
| ISSN: | 1424-8220 |
| DOI: | 10.3390/s21051616 |
| Popis: | We demonstrate a novel chalcogenide glass (ChG)-capped optical fiber temperature sensor capable of operating within harsh environment. The sensor architecture utilizes the heat-induced phase change (amorphous-to-crystalline) property of ChGs, which rapidly (80–100 ns) changes the optical properties of the material. The sensor response to temperature variation around the phase change of the ChG cap at the tip of the fiber provides abrupt changes in the reflected power intensity. This temperature is indicative of the temperature at the sensing node. We present the sensing performance of six different compositions of ChGs and a method to interpret the temperature profile between 440 ∘C and 600 ∘C in real-time using an array structure. The unique radiation-hardness property of ChGs makes the devices compatible with high-temperature and high-radiation environments, such as monitoring the cladding temperature of Light Water (LWR) or Sodium-cooled Fast (SFR) reactors. |
| Databáze: | OpenAIRE |
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