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optical waves

См. также в других словарях:

  • quasi-optical waves — Invisible electromagnetic waves with similar wavelength and laws of propagation to visible light …   Dictionary of automotive terms

  • Optical flat — Optical flats in case. About 1 inch (2.5 cm) in diameter …   Wikipedia

  • Optical communication — is any form of telecommunication that uses light as the transmission medium. An optical communication system consists of a transmitter, which encodes a message into an optical signal, a channel, which carries the signal to its destination, and a… …   Wikipedia

  • Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

  • Optical interferometry — combines two or more light waves in an optical instrument in such a way that interference occurs between them. Early interferometers used white light sources and also monochromatic light from atomic sources (e.g., Young s double slit experiment… …   Wikipedia

  • Optical imaging — is an imaging technique. Optics usually describes the behavior of visible, ultraviolet, and infrared light used in imaging. Because light is an electromagnetic wave, similar phenomena occur in X rays, microwaves, radio waves. Chemical imaging or… …   Wikipedia

  • Optical phase space — Optical phase diagram of a coherent state s distribution across phase space. In quantum optics, an optical phase space is a phase space in which all quantum states of an optical system are described. Each point in the optical phase space… …   Wikipedia

  • Optical wireless — is the combined use of optical (optical fibre) and wireless (radio frequency) communication to provide telecommunication to clusters of end points which are geographically distant. The high capacity optical fibre is used to span the longest… …   Wikipedia

  • Optical RFID — (aka OPID) is an alternative to RFID that is based on optical readers. Applications for optical RFID tags may be found in future supply chain scenarios. The main advantage in comparison to traditional RFID tags is their low price and the usually… …   Wikipedia

  • optical Doppler tomography — optical coherence tomography in which shifts in frequency caused by interaction between the infrared waves and moving particles in tissue are used to measure the particle velocities (e.g., in the imaging of blood flow), based on the principle of… …   Medical dictionary

  • Optical parametric oscillator — Infrared optical parametric oscillator An optical parametric oscillator (OPO) is a parametric oscillator which oscillates at optical frequencies. It converts an input laser wave (called pump ) into two output waves of lower frequency (ωs,ωi) by… …   Wikipedia

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