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planar grating

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  • Diffraction grating — A very large reflecting diffraction grating. In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams …   Wikipedia

  • Arrayed waveguide grating — Arrayed waveguide gratings (AWG) are commonly used as optical (de)multiplexers in wavelength division multiplexed (WDM) systems. These devices are capable of multiplexing a large number of wavelengths into a single optical fiber, thereby… …   Wikipedia

  • Arrayed waveguide grating — Ein Arrayed Waveguide Grating (AWG) dient in der optischen Nachrichtentechnik dazu, Licht in verschiedene Farben (=Wellenlängen) aufzuteilen, respektive einzelne farbige Lichtsignale wieder zu einem Lichtsignal zu vereinen. Eine Aufteilung in… …   Deutsch Wikipedia

  • Diffraction — Computer generated intensity pattern formed on a screen by diffraction from a square aperture …   Wikipedia

  • Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …   Wikipedia

  • Dye laser — Close up of a table top dye laser based on Rhodamine 6G, emitting at 580 nm (yellow orange). The emitted laser beam is visible as faint yellow lines. The orange dye solution enters the laser from the left, and is pumped by a 514 nm (blue green)… …   Wikipedia

  • Holography — (from the Greek, ὅλος hólos whole + γραφή grafē writing, drawing) is a technique that allows the light scattered from an object to be recorded and later reconstructed so that it appears as if the object is in the same position relative to the… …   Wikipedia

  • Optical add-drop multiplexer — Not to be confused with add drop multiplexer. Optical add drop multiplexer, using a fiber Bragg grating and two circulators. An optical add drop multiplexer (OADM) is a device used in wavelength division multiplexing systems for multiplexing and… …   Wikipedia

  • Waveguide (optics) — This page is about waveguides for transmission of optical signals or power. For other types of waveguide, see the disambiguation page Waveguide An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum …   Wikipedia

  • Chiral Photonics — Chiral Photonics, Inc. is a photonics company based in Pine Brook, New Jersey, founded in 1999. The company is developing a new class of optical devices based on twisting glass optical fibers. These in fiber devices aim to displace discrete… …   Wikipedia

  • Orcus (Dungeons & Dragons) — Orcus Game background Title(s) Prince of the Undead, Prince of Undeath, The Blood Lord Home plane Abyss Power level Demon lord Alignment …   Wikipedia

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