Nanophotonics or Nano-optics
Nanophotonics is considered as a branch of optical engineering which deals with optics or the interaction of light with particles or substances, at deeply subwavelength scales. It typically refers to phenomena of ultraviolet, visible and near IR light with a wavelength of approximately 300 nm to 1.2 micrometres.
Nano-optics include near-field scanning optical microscopy (NSOM), photoassisted scanning tunnelling microscopy, and surface plasmon optics. Studying the novel properties of light at the nanometer scale and enabling the highly power efficient devices for engineering applications are the study of nanophotonics.
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