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![Figure 2. Structural formula of PVC [8].](profile/Zaid-Suod-2/publication/329809571/figure/fig2/AS:705918446600195@1545315481986/Structural-formula-of-PVC-8_Q320.jpg)
Optical properties such as absorption coefficients, refractive indices, and extinction coefficients of pure polyvinyl-chloride (PVC) and DCM laser dye doped with PVC thin films where prepared using casting method have been determined in the range between 190-1100nm. Measurement have been performed in pure and doped (PVC). The direct electronic tran...
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... the other hand the refractive index of the thin film composed of DCM doped with PVC polymer shown in Fig. (11). It is obviously that the refractive index of the thin film initially decreasing to the lowest value at 559 nm after that it increases readily at 562 nm then the refractive index clears to be constant with increasing the photon ...
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... extinction coefficient allows for estimation the molar concentration of the mixture before casting the solution on the glass substrate. Figure (12) shows the plot between the extinction coefficient against the wavelength of the pure PVC thin film. The extinction coefficient decreasing with increasing the photon energy, then it is increasing beyond 400 nm wavelength. ...
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... extinction coefficient decreasing with increasing the photon energy, then it is increasing beyond 400 nm wavelength. Figure (13) shows the variation of the extinction coefficient with the wavelengths of the DCM doped with PVC thin film. It is undergoing a shifting toward the longer wavelength. ...
