The emergence of imaging schemes capable of overcoming Abbe's diffraction barrier is revolutionizing optical microscopy.

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Acousto-optic effect: A light diffraction effect based on periodic refractive changes induced by acoustic waves. Electro-optic effect: An effect that involves changes in the optical properties of ...

Phase-contrast microscopy articles from across Nature Portfolio Phase contrast microscopy is a white-light optical microscopy technique that relies on sample-induced phase changes in illumination ...