Duguay, Michel A. Bell Laboratories, Holmdel, New Jersey.
Last reviewed:August 2020
- Kerr constant
- Kerr shutter
- Related Primary Literature
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Electrically induced birefringence that is proportional to the square of the electric field. When a substance (especially a liquid or a gas) is placed in an electric field, its molecules may become partly oriented. This renders the substance anisotropic and gives it birefringence, that is, the ability to refract light differently in two directions. This effect, which was discovered in 1875 by John Kerr, is called the electrooptical Kerr effect, or simply the Kerr effect. See also: Birefringence
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