On the extinction coefficient of light in non-absorbing nanoparticle suspensions

Marquez-Islas Roberto; Garcia-Valenzuela Augusto

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On the extinction coefficient of light in non-absorbing nanoparticle suspensions

机译：在非吸收纳米粒子悬浮液中光的消光系数

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We assess the validity and possible use of a simple formula for the complex effective refractive index of a colloidal suspension of very small particles obtained from the quasi-crystalline approximation. This approximation takes into account the so-called dependent scattering effects, which are strongest, in relative terms, in suspensions of non-absorbing nanometer-sized particles. We test experimentally the predictions of the model for the extinction of light in dispersions of sodium dodecyl sulfate micelles in tri-distilled water. We find that the theoretical model can be fitted to the experimental data and provide estimates of the micelles' size and the minimum distance between each other in suspension. (C) 2018 Optical Society of America

机译：我们评估了从准结晶近似获得的非常小颗粒的胶体悬浮液的复杂有效折射率的简单公式的有效性和可能使用。该近似考虑了所谓的依赖性散射效应，其在相对术语中最强，在相对术语中，在非吸收纳米尺寸粒度的悬架中。实验试验测试三蒸水中十二烷基硫酸钠胶束分散光灭绝的模型的预测。我们发现理论模型可以安装到实验数据，并在悬浮液中提供胶束尺寸的估计和彼此之间的最小距离。（c）2018年光学学会

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《Applied optics》 |2018年第13期|共5页
作者
Marquez-Islas Roberto; Garcia-Valenzuela Augusto;
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Hosp Gen Mexico City Unidad Invest &

Desarrollo Tecnol Dr Eduardo Liceaga Dr Balmis 148 Ciudad De Mexico 06726 Mexico;

Univ Nacl Autonoma Mexico Ctr Ciencias Aplicadas &

Desarrollo Tecnol Apartado Postal 70-186 Ciudad De Mexico 04510 DF Mexico;

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正文语种 eng
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On the extinction coefficient of light in non-absorbing nanoparticle suspensions

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