One-dimentional periodic structure infiltrated by (PVA/CV + CF)-polymer for high-performance sensitivity
نویسندگان
چکیده
Abstract In the current work, we demonstrate a design to act as Gamma-ray radiation dosimeter based on one-dimensional photonic crystal (1D-PhC). The basic concept of present is Porous Silicon (PSi) infiltrated by poly-vinyl alcohol (PVA)-polymer doped with violet (CV) and carbol-fuchsine (CF) dyes. mechanism suggested shift bandgap (PBG) higher wavelengths exposed gamma-ray doses from 0 70 Gray (Gy). axes theoretical treatment are transfers matrix method (TMM), Bruggeman's effective medium equation, fitted experimental data refractive index PVA-Polymer. obtained results showed proposed sensor characterized high stable sensitivity varied (178–186 nm/ RIU) along an applied γ-dose (10–70 Gy) in visible range. addition, compared these previous researches. our knowledge may be it first time that 1D-PhC has been used for detection using (PVA/CV + CF) Silicon.
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ژورنال
عنوان ژورنال: Optical and Quantum Electronics
سال: 2022
ISSN: ['1572-817X', '0306-8919']
DOI: https://doi.org/10.1007/s11082-022-04189-3