Design of omnidirectional asymmetrical high reflectors for optical telecommunication wavelengths

J. Zaghdoudi, M. Kanzari () and B. Rezig

The European Physical Journal B: Condensed Matter and Complex Systems, 2004, vol. 42, issue 2, 181-186

Abstract: A design for omnidirectional asymmetrical high reflectors for optical telecommunication wavelengths is described. Asymmetry was introduced by applying a power law, so that the coordinates y of the transformed object were determined through the coordinates x of the quarter-wave stack air/H(LH) 15 /air in accordance with the following rule y=x 1 + k . Here k is the coefficient defining the asymmetry degree. It is shown that a high-reflection band at any incident angle for both polarizations, i.e., an omnidirectional high reflection band of 0.74 $\mu $ m for optical telecommunication wavelengths 0.85 and 1.3 $\mu $ m is found for the transformed system: air/Te(SiO 2 /Te) 15 /air corresponding to the optimized k value 0.24. Copyright Springer-Verlag Berlin/Heidelberg 2004

Date: 2004
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DOI: 10.1140/epjb/e2004-00370-y

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