A theoretical analysis of the electromagnetic energy density in left-handed media shows that, contrary to prior assertions, such media do not exhibit negative refractive indices. The insight gained from this analysis resolves contradictory predictions about left-handed media in the literature.
© 2004 Optical Society of America
Y. Chen, P. Fischer, and F. W. Wise, "Left-handed materials have a positive refractive index," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optical Society of America, 2004), paper FTuD4.
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