Electro Optics

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Electro-optics is a branch of technology involving components, devices and systems which operate by modification of the optical properties of a material by an electric field. Thus it concerns the interaction between the electromagnetism (optics) and the electricity (electronic) states of materials.

Electro-optical devices The electro-optic effect relates to a change in the optical properties of the medium which usually is a change in the birefringence and not simply the refractive index.In a Kerr cell, the change in birefringence is Proportionality (mathematics) to the square of the electric field, and the material is usually a liquid.

In a Pockels cell, the change in birefringence varies linearly with the electric field, and the material is a crystal.

Terminology "Electro-optic" is often erroneously used as a synonym for "optoelectronic".

References Source: from Federal Standard 1037C and from MIL-STD-188 and from the Department of Defense Dictionary of Military and Associated Terms

External links

Electro-Optical Systems Laboratory (EOSL) @ GTRI official website