Experimental Demonstration of Self-Collimation inside a Three-Dimensional Photonic Crystal

Zhaolin Lu, Shouyuan Shi, Janusz A. Murakowski, Garrett J. Schneider, Christopher A. Schuetz, and Dennis W. Prather
Phys. Rev. Lett. 96, 173902 – Published 4 May 2006
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Abstract

We present our experimental demonstration of self-collimation inside a three-dimensional (3D) simple cubic photonic crystal at microwave frequencies. The photonic crystal was designed with unique dispersion property and fabricated by a high precision computer-controlled machine. The self-collimation modes were excited by a grounded waveguide feeding and detected by a scanning monopole. Self-collimation of electromagnetic waves in the 3D photonic crystal was demonstrated by measuring the 3D field distribution, which was shown as a narrow collimated beam inside the 3D photonic crystal but a diverged beam in the absence of the photonic crystal.

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  • Received 15 December 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.173902

©2006 American Physical Society

Authors & Affiliations

Zhaolin Lu, Shouyuan Shi, Janusz A. Murakowski, Garrett J. Schneider, Christopher A. Schuetz, and Dennis W. Prather

  • Department of Electrical and Computer Engineering, University of Delaware, Newark, Delaware 19716, USA

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Issue

Vol. 96, Iss. 17 — 5 May 2006

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