Applied Nanoplasmonics: Applications in Chemical Sensing and Radiation Detection dives into the world of plasmonics and its various applications in modern technology. It covers fundamental concepts, detailed nanofabrication methods for creating plasmonic and photonic structures, computational modeling, and practical uses. Notable advancements like plasmonic SERS chemical sensing, absorbing metamaterials, and plasmonic tweezers are comprehensively discussed, bridging the gap between theoretical understanding and practical implementation. In addition to fundamentals, the book reviews surface plasmons and their dispersion, excitation techniques, nanofabrication, and applications in solar energy, radiation sensing, photodetection, and opto-electronic devices.The chapter on SPASER examines its core principles and limitations, making the book an essential reference for researchers in this multidisciplinary field. - Introduces the basic concepts of plasmonics, such as surface plasmon and plasmon dispersion, polariton, plasmon decay, propagation length, and excitation of surface plasmon - Describes approaches for fabricating plasmonic and photonic metastructures - Discusses how the optical properties of plasmonic/photonic metasurfaces can enable a great number of applications, such as biosensors, optical devices, and photovoltaic devices