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Crystal Light is an American brand of powdered and artificially sweetened beverage mixes produced by Kraft Heinz. It was introduced in 1982 to a test market and released to the public in April 1984. It was introduced in 1982 to a test market and released to the public in April 1984.
Liquid crystal (LC) is a state of ... e.g. UV-Visible light, can influence light-responsive liquid crystals which mainly carry at least a photo-switchable unit. [76]
The Hughes liquid crystal light valve (LCLV) was designed to modulate a high-intensity light beam using a weaker light source, conceptually similar to how an amplifier increases the amplitude of an electrical signal; LCLV was named after the common name for the triode vacuum tube. [1]
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information.
Incoming light is first polarized by the first polarizer, P 2. The helical configuration of the liquid crystal rotates the light's polarization by 90°, so the light will be properly polarized to pass through the second polarizer, P 1, set at 90° to the first. Because the light passes through the cell, the pixel, I, appears transparent.
Schematic of a liquid crystal-based Spatial Light Modulator. Liquid crystals are birefringent, so applying a voltage to the cell changes the effective refractive index seen by the incident wave, and thus the phase retardation of the reflected wave. A spatial light modulator (SLM) is a device that can control the intensity, phase, or ...
The second crystal from the left is targeted by an UV source and shines brightly in visible light. A scintillator ( / ˈ s ɪ n t ɪ l eɪ t ər / SIN -til-ay-ter ) is a material that exhibits scintillation , the property of luminescence , [ 1 ] when excited by ionizing radiation .
Electro-optical effects in Liquid Crystals. LCs can be aligned by electric and magnetic fields electric field effects electro-hydrodynamic effects; the electrical field aligns the liquid crystal no current is necessary (very low power required for operation). current induced domain formation and scattering requires current for activation.
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