Journal
OPTIK
Volume 124, Issue 2, Pages 157-161Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2011.11.039
Keywords
Ray tracing; Transfer matrix; Reflectance; Transmittance; Complex refractive index; Glass slab
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Multiple beam incoherent reflectance, transmittance and absorbance of a homogenous planar slab are derived by ray tracing and transfer matrix approaches. Two different procedures are introduced to retrieve the bulk complex refractive index analytically. The needed experimental measurements are the slab thickness, the spectral reflectance and transmittance at normal incidence. Errors of the deduced refractive indices are calculated to be of about 1 x 10(-7) for imaginary and 0.013 for real refractive indices. Refractive indices of two different thicknesses and compositions glassy slabs are determined across a wide spectral range 0.22-2.2 mu m. (C) 2011 Elsevier GmbH. All rights reserved,
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