Touchless Mechanism to Detect Rhodamine B Concentration in Distilled Water Using Fiber Bundle

Samian, A. H. Zaidan, Patricia, R. N. Afifah, M. Yasin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Detection of rhodamine B concentration in distilled water can be conducted without direct contact between the sensor probe and the sample using fiber bundle as a sensor probe and concave mirror as a sample container. The fiber bundle used is a concentric and a pair bundle probe. The working mechanism of the sensor is based on the displacement sensor and absorption of rhodamine B on laser light at a wavelength of 543 nm. The concentration of rhodamine B was detected through the valley and the peak voltage resulting from the displacement of the sensor probe to the sample surface. The best performance is shown by a sensor that uses a concentric bundle as a probe with a detection range of 0-20 ppm with a resolution of 0.6 ppm.

Original languageEnglish
Article number5918958
JournalInternational Journal of Optics
Volume2019
DOIs
Publication statusPublished - 2019

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