Detectors of ionizing radiation on the base of waveguide ring resonators with hyperlinked fluoropolymer
DOI:
https://doi.org/10.33408/2519-237X.2025.9-3.300Keywords:
microring resonator, slot waveguide, hyperlinked fluoropolymer, detector of ionizing radiationAbstract
Purpose. Optimization of the parameters of waveguide microring resonators in order to achieve the maximal sensitivity of optical detectors of ionizing radiation.
Methods. Methods of numerical calculation of the field distribution and effective index of the mode of bent slot waveguides, algorithms of calculation on the base of the method of lines.
Findings. The structure and operation principles of optical detector of ionizing radiation are presented. The sensor element of the detector is the microring resonator based on the slot waveguide filled with hyperlinked fluoropolymer. The optimization of the slot waveguide parameters in order to achieve the maximal detector sensitivity has been carried out. It is shown that the sensitivity of the detector on the base of microring resonator from double slot waveguides with optimized parameters and resonator radius equal to 67.8 μm could be as high as 103.5 μA/kGy at measuring range equal to 85 kGy and detector resolution equal to 0.2 Gy.
Application field of research. The results of review and analysis of the information about the methods of measurement of absorbed dose of ionizing radiation can serve as a basis for creating effective optical waveguide dosimeters with high sensitivity.
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