From communication and entertainment to manufacturing and health care, lasers have revolutionized the way we interact with the world around us. They have become an integral part of our modern existence, pushing the boundaries of innovation as indispensable components of countless devices and industries. Lasers produce narrow beams of light. When the laser's light interacts with the surface of a material on a nanoscale, it emits a wave of light known as a plasmon, and the attributes of a given pl