Easy-to-Fabricate UV-Glue-Based Cascaded Fabry-Perot Fiber Sensor Probe for Temperature Measurement

abstract

In this paper, we propose an in-line fiber sensor probe based on UV-glue-assisted cascaded Fabry-Perot cavities for temperature measurement. The UV-curable adhesive in the sensing cavity plays an important role due to its high thermo-optic coefficient. We show that the temperature sensitivity depends on the optical path length difference between both cavities. We report a maximum value of 12.57 nm/degrees C in the range of 20 to 30 degrees C. This original sensor architecture features a low cost and simple structure that can be straightforwardly manufactured with readily available materials and a short production time.

keywords

INTERFEROMETER; SENSITIVITY

subject category

Optics

authors

Hu, XH; Fu, HY; Li, PC; Marques, C; Teng, CX; Qu, H; Caucheteur, C

our authors

acknowledgements

No Statement Available

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