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Beam steering due to anomalous dispersion at higher photonic bands in dielectric photonic crystal is reported in this work. Based on this concept, directional cloak is designed that conceals a larger dimensional scattering object against the normal incident, linearly polarized
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- J. D. Joannopoulos, S. G. Johnson, J. N. Winn, R. D. Meade, Photonic crystals molding the flow of light, Princeton University Press, Princeton, Ch-10, pp. 190-228, 2008.
- Y. A. Urzhumov, D. R. Smith, Transformation optics with photonic band gap media, Phys. Rev. Lett 105: 163901, 2010.
- O. Vanbésien, N. Fabre, X. Mélique, D. Lippens, Photonic crystal based cloaking devices at optical wavelengths, Appl. Opt 47: 1358-1362, 2008.
- B. Vasić, R. Gajić, Self-focusing media using graded photonic crystals: Focusing, Fourier transforming and imaging, directive emission, and directional cloaking, J. Appl. Phys 110: 053103, 2011.
- N. Yogesh, V. Subramanian, Directional cloak formed by photonic crystal waveguides, Microwave symposium digest (2012), IEEE MTT-S International. Montreal, Canada, pp. 1-3, 2012.
- N. Yogesh, V. Subramanian, Source transformation device formed by one-dimensional photonic crystals, Opt. Lett 36: 1737-1739, 2011.
- D. Schurig, J. J. Mock, B. J. Justice, S. A. Cummer, J. B. Pendry, A. F. Starr, D. R. Smith, Metamaterial electromagnetic cloak at microwave frequencies, Science 314: 977-980, 2006.
- J. P. Turpin, A. T. Massoud, Z. H. Jiang, P. L. Werner, D. H. Werner, Conformal mappings to achieve simple material parameters for transformation optics devices, Opt. Exp 18: 244-252, 2010.
- J. R. Whiteman, The mathematics of finite elements and applications, John Wiley and Sons, Chichester, 1998, http://www.comsol.com
- S. G. Johnson, J. D. Joannopoulos, Block-iterative frequency-domain methods for Maxwell's equations in a plane wave basis, Opt. Exp 8: 173-190, 2001. http://ab- initio.mit.edu/mpb