Magneto-optic Kerr effect
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In physics the magneto-optic Kerr effect or the surface magneto-optic Kerr effect is one of the magneto-optic effects. It describes the changes to light reflected from a magnetized surface. It is used
Several grains of NdFeB with magnetic domains made visible via contrast with a Kerr microscope.
John Kerr (physicist)
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John Kerr FRS was a Scottish physicist and a pioneer in the field of electro-optics. He is best known for the discovery of what is now called the Kerr effect.
Magneto-optic Kerr effect
…polarized light. Reflected light is analyzed showing a noticeable difference between a 0 or 1. The magneto-optic Kerr effect was discovered in 1877 by John Kerr. Faraday effect…
John Kerr, c. 1860, photograph by Thomas Annan