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- Title
Swelling-Based Chemical Sensing With Unmodified Optical Fibers.
- Authors
Jderu, Alin; Dorobantu, Dorel; Ziegler, Dominik; Enachescu, Marius
- Abstract
We use distributed fiber optic strain sensing to examine swelling of the fiber's polymer coating. The distributed sensing technique that uses unmodified low-cost telecom fibers opens a new dimension of applications that include leak detection, monitoring of water quality, and waste systems. On a short-range length scale, the technology enables "lab-on-a-fiber" applications for food processing, medicine, and biosensing for instance. The chemical sensing is realized with unmodified low-cost telecom optical fibers, namely, by using swelling in the coating material of the fiber to detect specific chemicals. Although generic and able to work in various areas such as environmental monitoring, food analysis, agriculture or security, the proposed chemical sensors can be targeted for water quality monitoring, or medical diagnostics where they present the most groundbreaking nature. Moreover, the technique is without restrictions applicable to longer range installations.
- Subjects
OPTICAL fibers; WATER quality monitoring; OPTICAL fiber detectors; SWELLING of materials; CHEMICAL detectors; FOOD chemistry
- Publication
Photonic Sensors, 2022, Vol 12, Issue 2, p99
- ISSN
1674-9251
- Publication type
Article
- DOI
10.1007/s13320-021-0637-2