Abstract
Nonlinear diffraction pattern can be induced by focusing CWlaser into a thin quartzes cuvette containing nanofluid. The numberof revealed pattern rings indicates to the nonlinear behavior of fluid.Here, the nonlinear refractive index of each of functionalized singlewall carbon nanotube (F-SWCNTs) suspention and multi wall carbonnanotube (F-MWCNTs) suspention have been investigatedexperimentally .Each of CNTs suspention was at volume fraction of13×10−5 and 6×10−5. Moreover the laser source at wavelength of473 nm was used. The results show that SWCNTs suspentionpossesses higher nonlinearty than other at the same volume fraction
Highlights
Nonlinear optics has been a section of optics that was studied the interactions between the media and electromagnetic radiations [1, 2]
It can be noticed that F-MWCNTs suspension possess higher nonlinear refractive index change that of F-MWCNT's suspension at the same volume fraction (Table 1 and 2)
From this experiment in short, were found that by increasing the intensities, the number of rings will be increased until they reach a specific number, after which they will remain constant even in increasing density. This leads to increasing the nonlinear refractive index change (Δnnl,max) to both of (SWCNTs and MWCNTs) diffuse in DI water at two volume fraction
Summary
Nonlinear optics has been a section of optics that was studied the interactions between the media and electromagnetic radiations [1, 2]. دراسة الصفات اللاخطية للأنابيب النانوية الكاربونية مفردة ومتعددة الجدران بأستخدام تقنية
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