Their difference, Dn, is the birefringence given by The two indices, n-parallel and n-perpendicular, are associated with the plane of vibration of the wave. It takes on the characteristics of a uniaxial crystal whose optic axis corresponds to the direction of the applied field. In 1875, a physicist named Jon Kerr discovered that an isotropic transparent crystal becomes birefringent when placed in an electric field E. Because of the nature of the polarization changes, very high frequency signals can be measured accurately without loading on the circuit. What is Electro-optic Probing?Įlectro-optic probing is a class of techniques which relies on the detection of changes in the polarization of an optical beam probe to measure voltage waveforms. Semitracks' Online Training contains short courses and other material useful for any Engineer trying to learn new subjects or brush up on old ones. Are you looking for more information regarding this and other subjects? Look no further than Semitracks' Online Training.
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