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01118 am a22001573u 4500 |
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2439 |
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|a Esmaeil Shahriari,
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|a Mahmood .W Mat Yunus,
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|a Zainal Abidin Talib,
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|a Elias Saion,
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|a Thermal-induced nonlinearity of Ag Nano-Fluid prepared using y radiation method
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|b Universiti Kebangsaan Malaysia,
|c 2011-01.
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|z Get fulltext
|u http://journalarticle.ukm.my/2439/1/04_Esmaeil.pdf
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|a The non-linear refractive index of Ag nano-fluids prepared by γ-radiation method was investigated using a single beam z-scan technique. Under CW 532 nm laser excitation with power output of 40 mW, the Ag nano-fluids showed a large thermal-induced non-linear refractive index. In the present work it was determined that the non-linear refractive index for Ag nano-fluids is -4.80×10-8 cm2/W. The value of Δn0 was calculated to be -2.05×10-4. Our measurements also confirmed that the non-linear phenomenon was caused by the self-defocusing process making them good candidates for non linear optical devices.
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