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22 August 2017 Fabry-Perot interferometer based on array of microspheres for temperature sensing
Marta S. Ferreira, Jörg Bierlich, Jens Kobelke, José L. Santos, Orlando Frazão
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Proceedings Volume 10453, Third International Conference on Applications of Optics and Photonics; 1045321 (2017) https://doi.org/10.1117/12.2275658
Event: Third International Conference on Applications of Optics and Photonics, 2017, Faro, Portugal
Abstract
A Fabry-Perot interferometer based on an array of soda-lime glass microspheres is proposed for temperature sensing. The microspheres are introduced in a hollow-core silica tube using a tapered fiber tip. After the insertion of each microsphere the sensor is subjected to temperature measurements. The sensor exhibits non-linear behavior and a dependence on the number of microspheres is observed. A maximum sensitivity of 11.13 pm/°C is achieved, when there is only one microsphere inside the capillary structure.
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Marta S. Ferreira, Jörg Bierlich, Jens Kobelke, José L. Santos, and Orlando Frazão "Fabry-Perot interferometer based on array of microspheres for temperature sensing", Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 1045321 (22 August 2017); https://doi.org/10.1117/12.2275658
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KEYWORDS
Fabry–Perot interferometry
Sensors
Capillaries
Silica
Soda-lime glass
Temperature metrology
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