Acknowledgments
The authors acknowledge the initiatives and support from the establishment of
TIFAC-Centre of Relevance and Excellence in Fiber Optics and Optical Communication at the Department of Applied Physics, Delhi Technological University (Formerly
Delhi College of Engineering), Delhi, through the Mission REACH program of Technology Vision-2020 of the Government of India. One of the authors (NS) wishes to
thank his family for always having faith in him and motivating him at the times of
“crests and troughs” during this project. The other author (RKS) wishes to acknowledge the support by his family members, his teachers, and doctoral students for
their personal and professional support in preparing this book. Both the authors
would like to thank Professor Yogesh Singh, Vice Chancellor, DTU, and all the
faculty members of Applied Physics Department of Delhi Technological University,
Delhi, for providing conducive environment for carrying out the research work in
the emerging area of zero-index metamaterials.
Nishant Shankhwar
Ravindra Kumar Sinha
vii
The authors acknowledge the initiatives and support from the establishment of
TIFAC-Centre of Relevance and Excellence in Fiber Optics and Optical Communication at the Department of Applied Physics, Delhi Technological University (Formerly
Delhi College of Engineering), Delhi, through the Mission REACH program of Technology Vision-2020 of the Government of India. One of the authors (NS) wishes to
thank his family for always having faith in him and motivating him at the times of
“crests and troughs” during this project. The other author (RKS) wishes to acknowledge the support by his family members, his teachers, and doctoral students for
their personal and professional support in preparing this book. Both the authors
would like to thank Professor Yogesh Singh, Vice Chancellor, DTU, and all the
faculty members of Applied Physics Department of Delhi Technological University,
Delhi, for providing conducive environment for carrying out the research work in
the emerging area of zero-index metamaterials.
Nishant Shankhwar
Ravindra Kumar Sinha
vii