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Research Paper | Physics Science | India | Volume 4 Issue 5, May 2015 | Popularity: 6.2 / 10
Nonlinear Refraction and Optical Limiting Behavior of Eriochrome Cyanine R Dye Chromophore Under CW He-Cd Laser Illumination
Monica S, C.I.Muneera
Abstract: The nonlinear optical refraction and optical limiting behavior of an organic dye, Eriochrome Cyanine R in aqueous solution, were investigated under excitation with cw He-Cd laser light at 442nm. The nonlinear optical responses of the material were studied, using single-beam Z-scan technique. Refractive nonlinearity of the samples was investigated using closed aperture Z-scan technique. All the samples exhibited a negative (defocusing) nonlinearity and large nonlinear refractive index of the order of 10-8 cm2/W. The optical limiting behavior of the dye chromophore is also demonstrated
Keywords: Eriochrome Cyanine R, Nonlinear refraction, Z-scan, Optical Limiting, defocusing
Edition: Volume 4 Issue 5, May 2015
Pages: 1239 - 1342
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