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Preface
sufficient and suitable literature to learn from. This book throws light on all the aspects
of zero refractive index phenomenon ranging from its advent to current achievements,
applications, and future possibilities. We have included elaborated working details
and their rigorous numerical verification for the sake of profound understanding of an
ardent reader. In a nutshell, this text accumulates almost everything that is available
on zero-index metamaterials, in one place, and will hopefully prove useful for a
professionally interested and motivated reader.
Delhi, India
Nishant Shankhwar
Ravindra Kumar Sinha