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A. P. SINGH1,*
- Department of Physics, School of Science, Sandip University, Trimbak Road, Mahiravani, Nashik (Maharashtra), India
In the present work, the single layer model of surface roughness was studied in the context of proportional contribution of refractive index of neighboring layers. Using three effective medium approximation namely, Drude, Maxwell-Garnett and Lorentz-Lorenz, a relation between film thickness of homogeneous layer and surface roughness is established. It is shown that the reflectivity of nonabsorbing thin film varies even for a same value of surface roughness if the composition of roughness is changed..
Surface roughness, Effective medium approximations, Homogeneous single layer model, Ellipsometry.
Submitted at: April 28, 2018
Accepted at: Oct. 10, 2018
A. P. SINGH, Proportional effect in refractive index of optical mediums for single layer homogeneous modeling of surface roughness, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 9-10, pp. 459-461 (2018)
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