Effect of the gradient of complex refractive index at boundary of turbid media on total internal reflection
We analyze the existence of non-uniformity at the boundary of turbid media, and develop a gradient complex refractive index multilayered model in terms of this fact. Our model reveals the physics mechanism of the discrepancies between experimental data above the critical angle and the fitting curve...
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| Veröffentlicht in: | Optics express 2015-03, Vol.23 (6), p.7320-7332 |
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| container_issue | 6 |
| container_start_page | 7320 |
| container_title | Optics express |
| container_volume | 23 |
| creator | Sun, Jiwen Wang, Jin Liu, Yuanze Ye, Qing Zeng, Huanhuan Zhou, Wenyuan Mei, Jianchun Zhang, Chunping Tian, Jianguo |
| description | We analyze the existence of non-uniformity at the boundary of turbid media, and develop a gradient complex refractive index multilayered model in terms of this fact. Our model reveals the physics mechanism of the discrepancies between experimental data above the critical angle and the fitting curve with Fresnel's Formula. Also, from the perspective of the energy flow, reflectance R is obtained by the simplified models. We get complex refractive indexes and reflectance curves by fitting experimental data of 20% and 30% Intralipid solutions and rutile TiO₂ powder suspension with two different methods. Compared with Fresnel's Formula, our model can fit experimental data better. |
| doi_str_mv | 10.1364/OE.23.007320 |
| format | Article |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| title | Effect of the gradient of complex refractive index at boundary of turbid media on total internal reflection |
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