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R. MUHAMMAD1, M. KHASANAH2, M. ZULKARNAEN1, M. YASIN1,*
- Dept. of Physics, Faculty of Science and Technology, Airlangga University, Surabaya (60115), Indonesia
- Dept. of Chemistry, Faculty of Science and Technology, Airlangga University, Surabaya (60115), Indonesia
We experimentally demonstrate a bundled optical fiber based sensor for measuring zinc ion concentration. When zinc ions in liquid samples are shined with red laser light operating at about 630 nm wavelength it is observed that the intensity of the reflected radiation from the concave mirror, which was collected by the receiving fiber increases linearly with the increment of zinc ions concentration in the liquid sample. Our sensor has a simple architecture, it exhibits good sensitivity, linearity, and stability as it was tested with zinc ions concentration within 0% to 2%. It shows the highest sensitivity of 470 mV/% with the linearity of 92% and resolution of 0.0015%. The proposed sensor is based on optical non-destructive and on-site measurement, which may has applications in medical field..
Fiber sensor, Fiber bundled probe, Zinc ion sensor.
Submitted at: Aug. 2, 2022
Accepted at: April 5, 2023
R. MUHAMMAD, M. KHASANAH, M. ZULKARNAEN, M. YASIN, Fiber bundled probe for highly sensitive sensor for zinc ion detection using a concave mirror, Journal of Optoelectronics and Advanced Materials Vol. 25, Iss. 3-4, pp. 99-104 (2023)
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