concentric resonator

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• Split Ring Resonator — A split ring resonator (SRR) is a component part of a negative refractive index material. SRRs are a pair of concentric annular rings with splits in them at opposite ends. The rings are made of nonmagnetic metal like copper and have small gap… …   Wikipedia

• split-ring resonator — noun A metamaterial component composed of pair of concentric annular rings with splits in them at opposite ends. The rings are made of nonmagnetic metal like copper and have a small gap between them …   Wiktionary

• концентрический резонатор — Открытый резонатор, образованный сферическими зеркалами, оси и центры кривизны которых совпадают. [Сборник рекомендуемых терминов. Выпуск 75. Квантовая электроника. Академия наук СССР. Комитет научно технической терминологии. 1984 г.] Тематики… …   Справочник технического переводчика

• Southeast Asian arts — Literary, performing, and visual arts of Myanmar (Burma), Thailand, Laos, Cambodia, Vietnam, Malaysia, Singapore, and the Philippines. The classical literatures of Southeast Asia can be divided into three major regions: the Sanskrit region of… …   Universalium

• Optical cavity — An optical cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves. Optical cavities are a major component of lasers, surrounding the gain medium and providing feedback of the laser… …   Wikipedia

• Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

• Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

• Guitar — Infobox Instrument name=Guitar names= classification=String instrument (plucked, nylon stringed guitars usually played with fingerpicking, and steel , etc. usually with a pick.) range= (a regularly tuned guitar) related=*Bowed and plucked string… …   Wikipedia

• African music — Introduction       the musical sounds and practices of all indigenous peoples of Africa, including the Berber in the Sahara and the San (Bushmen) and Khoikhoin (Hottentot) in Southern Africa. The music of European settler communities and that of… …   Universalium

• Accurizing — is the process of improving the accuracy of a firearm or airgun.cite web |url=http://saami.org/Glossary/index.cfm |title=SAAMI glossary |accessdate=2007 08 30] For firearms, accuracy is defined as the ability to hit exactly what you re aiming at …   Wikipedia

• Transverse mode — A transverse mode of a beam of electromagnetic radiation is a particular electromagnetic field pattern of radiation measured in a plane perpendicular (i.e., transverse) to the propagation direction of the beam. Transverse modes occur in radio… …   Wikipedia