Kerr cell
Also known as: Kerr electro-optical shutter, electro-optical shutter
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Kerr electro-optic effect
- In Kerr electro-optic effect
The Kerr cell, also referred to as a Kerr electro-optical shutter, is a device employing the Kerr effect to interrupt a beam of light up to 1010 times per second. Linearly polarized light (light vibrating in one plane, as shown in the Figure) is passed through…
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photographic use
- In technology of photography: High-speed shutters
The electro-optical shutter (Kerr cell) is made up of a liquid cell of nitrobenzene fitted with electrodes and again placed between two crossed polarizers. An electric pulse applied to the electrodes changes the polarization properties of the nitrobenzene so that this arrangement again transmits light. Minimum exposure time…
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