Optics

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A branch of physics that describes the behaviour of light and the interaction of light with matter.

Classical Optics

Modern Optics

The field of optics usually describes the behaviour of visible, infrared and ultraviolet light; however since light is a electromagnetic wave, analogous phenomena occur in X-rays, microwaves, radio waves, and other forms of electromagnetic radiation. Optics can thus be regarded as a sub-field of electromagnetism