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Applied Physics Letters

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We propose a design for high tunability one-dimensional photonic-crystal which consists of alternating layers of isotropic material and liquid crystal layers. Numerical models confirm the tunability over the visible region ranging from 480 to 560 nm for a mixed order device using a material birefringence of 0.3, and to 620 nm if a birefringence of 0.6 is allowed. Modeled devices having active layers with m lambda/4 and passive layers with n lambda/4 thickness for the case of m and n odd integers are presented. The advantage of m > n is shown to be greater tunability for a given free spectral range. (C) 2010 American Institute of Physics. [doi:10.1063/1.3368125]


Copyright 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Appl. Phys. Lett. 96, 163507 (2010) and may be found at