laser-effect threshold

  • 1Threshold — may refer to:Books and comics* Threshold (novel), a 1985 science fiction novel by David R. Palmer * Threshold (Sara Douglass novel), a 1997 fantasy novel by Sara Douglass * Threshold , a 2001 science fiction novel by Caitlín R. KiernanFilm and… …

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  • 2Laser pumping — is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles… …

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  • 3Laser trimming — describes the manufacturing process of using a LASER to adjust the operating parameters of an electronic circuit.The usual approach is to use a laser to burn away small portions of resistors, raising their value (resistance). The burning… …

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  • 4Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …

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  • 5Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …

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  • 6Fiber laser — A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rare earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. They are related to doped fiber amplifiers,… …

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  • 7Quantum well laser — Origin of the concept of quantum wells= In 1972, Charles H. Henry, a physicist and newly appointed Head of the Semiconductor Electronics Research Department at Bell Laboratories, had a keen interest in the subject of integrated optics, the… …

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  • 8Ring laser gyroscope — For a somewhat similar system that uses fibre optic cables, see fibre optic gyroscope. A ring laser gyroscope (RLG) consists of a ring laser having two counter propagating modes over the same path in order to detect rotation. It operates on the… …

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  • 9Cyclops laser — The single beam Cyclops laser at LLNL around the time of its completion in 1975. Cyclops was a high power laser built at the Lawrence Livermore National Laboratory (LLNL) in 1975. It was the second laser constructed in the lab s Laser program,… …

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  • 10Raman laser — The Raman laser is a byproduct of Raman scattering, discovered in 1928 by Nobel laureate Chandrasekhara Venkata Raman and Kariamanickam Srinivasa Krishnan in liquids and independently by Grigory Landsberg and Leonid Mandelshtam in crystals. When… …

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