Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 27, Issue 14, Pages 1523-1526Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2015.2427733
Keywords
Fiber optics; optical fiber devices; optical fiber sensors
Funding
- Florida High Tech Corridor Council
- FAZ Technology, Inc., Orlando, FL, USA
- National Council of Science and Technology (CONACYT)
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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 7x compared with a 125-mu m MCF device, and 12x 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 degrees C, making it more suitable than FBGs for extreme environments.
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