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  1. 1 Inci H.

  2. 1 Ozsoy S.

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A comparison of the effect of the ellipticity on the small and large solid-core PCF’s characteristics

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Inci H., Ozsoy S.
Open Physics
|
2014
|
vol. 12
|
issue 9
671-677
EN
In this paper we study small and large solid-core PCFs with elliptical shaped air-holes for the hexagonal lattice, which were constructed by omitting one air-hole (small core) and seven air-holes (large core), respectively, and we compare their characteristics with those with circular holes. We use two types of ellipticity: vertical and horizontal. Birefringence, dispersion, and the numerical apertures of the fundamental modes are analyzed using commercial simulation software. Also, the confinement loss is obtained. The effect of ellipticity on these characteristics is investigated in detail. It is found that the type of ellipticity of the air holes affects the numerical aperture and hence confinement loss significantly, but it has no crucial effect on either the dispersion or the birefringence for the small and large core PCFs.
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