نتایج جستجو برای: keywords refractive index
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The refractive index (n) is one of the most important optical properties that is frequently employed to characterize organic compounds.1 The refractive index is defined as a ratio of the velocity of light in a vacuum to the velocity of light in the substance of interest. It has been used as an indicator of the purity of organic compounds, but the relationship of refractive index to other optica...
We design a novel nano-ring resonator using two-dimensional photonic crystal (2D-PhC), for bio-sensing applications. The structure of biosensor is created by two-curve-shaped ring resonator which sandwiched by two waveguides. These are configured by removing one row of air holes. The refractive index of sensing hole is changed by binding an analyte. Hence, intensity of the transmission spectrum...
In this research, Germanium-carbon coatings were deposited on ZnS substrates by plasma enhanced chemical vapor deposition (PECVD) using GeH4 and CH4 precursors. Optical parameters of the Ge1-xCx coating such as refractive index, Absorption coefficient, extinction coefficient and band gap were measured by the Swanepoel method based on the transmittance spectrum. The results showed that the refra...
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