Nanoplasmonics is a field of study that focuses on the interaction between light and metallic nanostructures. When light hits these tiny structures, it can excite electrons on their surface, creating collective oscillations known as plasmons. This phenomenon enhances light-matter interactions, making it useful for various applications in sensing, imaging, and energy conversion. Researchers in nanoplasmonics explore materials like gold and silver to design devices that manipulate light at the nanoscale. These advancements can lead to improved technologies in areas such as biomedical imaging, solar energy harvesting, and optical communication, offering innovative solutions to modern challenges.