electro-optical device

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• Electro-optical MASINT — is a subdiscipline of Measurement and Signature Intelligence, (MASINT) and refers to intelligence gathering activities which bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT), Imagery… …   Wikipedia

• electro-optical — or electro optic adjective Date: 1879 1. of or relating to electro optics 2. a. relating to or being a change in the refractive index of a material due to an electric field < electro optical effect > b. using or being a material that exhibits… …   New Collegiate Dictionary

• Electro-optic modulator — (EOM) is an optical device in which a signal controlled element displaying electro optic effect is used to modulate a beam of light. The modulation may be imposed on the phase, frequency, amplitude, or direction of the modulated beam. Modulation… …   Wikipedia

• Optical modulators using semiconductor nano-structures — Contents 1 Optical modulators using semiconductor nano structures 1.1 Electro optic modulator of nano structures 1.2 Acousto optic modulator of nano structures …   Wikipedia

• electro-optic — adjective or electro optical 1. a. : relating to or being a change in the refractive index of a material due to an electric field electro optic effect b. : using or being a material that exhibits electro optic properties an electro optic crystal …   Useful english dictionary

• Optical line termination — An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network. It provides two main functions: to perform conversion between the electrical signals… …   Wikipedia

• Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH …   Wikipedia

• night vision device — Any electro optical device that is used to detect visible and infrared energy and provide a visible image. Night vision goggles, forward looking infrared, thermal sights, and low light level television are night vision devices. Also called NVD.… …   Military dictionary

• Optical modulator — An optical modulator is a device which is used to modulate a beam of light. The beam may be carried over free space, or propagated through an optical waveguide. Depending on the parameter of a light beam which is manipulated, modulators may be… …   Wikipedia

• Concealment device — Concealment devices or diversion safes are used to hide things for the purpose of secrecy or security. They are made from an ordinary household object such as a book, a soda can, a candle, a can, or something as small as a coin. The idea is that… …   Wikipedia

• Kerr electro-optic effect — ▪ physics       in physics, the inducement of double refraction of light in a transparent substance when a strong electric field is applied in a direction transverse to the beam of light. In double refraction, the index of refraction (a measure… …   Universalium