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Study of the linear and nonlinear optical properties of Neutral Red doped Polyvinylpyrrolidone film | ||
| Journal of Basrah Researches (Sciences) | ||
| Article 1, Volume 37, Issue 2, 2011, Pages 57-63 PDF (0 K) | ||
| Authors | ||
| Alaa Yassin Al-Ahmad; Hussain A.Badran; Mohammad Fadhil Al-Mudhaffer | ||
| Abstract | ||
| Measurement calculations were carried out to determine the linear optical constants such as extinction coefficient, refractive index, average excitation energy and dispersion energy for the 3- amino-7-dimethylamino-2-methyl phenazine (Neutral red NR) doped Polyvinylpyrrolidone (PVP) film. Further the optical nonlinearities of Neutral Red : Polyvinylpyrrolidone solution have been investigated by Z-scan technique with CW laser at 657.2 nm The nonlinear refractive index and absorption coefficient are found to be in the order of - 1.91 ×10-9cm2/Watt , 1.13×10-4 cm/Watt, respectively .These results show that the ample has potential application in nonlinear optics. | ||
| Keywords | ||
| Optical properties; nonlinear refraction index; scan; azo dye | ||
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