Real-time Ultraviolet Radiation Sensor Based on Modified Cladding Optical Fibers Technology

Authors

  • Nadia F. Muhammed Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq https://orcid.org/0000-0002-5585-0278
  • Aseel I. Mahmood Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq https://orcid.org/0000-0001-8555-9855
  • Shehab A. Kadhim Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq
  • Intisar A. Naseef Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq https://orcid.org/0000-0003-4576-5587
  • Ashwaq A. Jabor Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq
  • Mohanad M. Azzawi Materials Research Directorate, Ministry of Science and Technology, Baghdad, Iraq

DOI:

https://doi.org/10.24996/ijs.2021.62.12.7

Keywords:

Germanium doped optical fibers, Radiation-induced Absorption Optical fiber dosimeters, Optical fibers sensors, UV radiation

Abstract

      In this work, the performance of single-mode optical fibers (SMFs) for ultraviolet (UV) radiation monitoring and dosimetry applications is presented. In particular, this work will focus on the Radiation-Induced Absorption (RIA) phenomena in the Near-Infrared domain (NIR). Such phenomena play a very important role in the sensing mechanism for SMF. Single mode fibers with a diameter of 50 µm were used for this purpose. These fibers were dipped into germanium (Ge) solution with different concentrations (1, 3, and 5 wt%) to produce the sensing part of the sensor. For all optical fiber sensors under investigation, the results indicated the dependence of the RIA on the applied UV radiation energy. Also, a redshift in peak wavelength was obtained. The influence of Ge concentration on sensing efficiency was studied and the best results were obtained with 3 wt% concentration as compared to 1 wt % and 5 wt % concentrations. The presented sensor shows good sensitivity to UV radiation which makes it possible to be applied in medical applications.

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Published

2021-12-30

Issue

Section

Physics

How to Cite

Real-time Ultraviolet Radiation Sensor Based on Modified Cladding Optical Fibers Technology. (2021). Iraqi Journal of Science, 62(12), 4667-4673. https://doi.org/10.24996/ijs.2021.62.12.7

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