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scanning laser radar

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

  • radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

  • Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

  • Laser applications — There are many scientific, military, medical and commercial laser applications which have been developed since the invention of the laser in the 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all… …   Wikipedia

  • History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

  • Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …   Wikipedia

  • Quantum cascade laser — Quantum cascade lasers (QCLs) are semiconductor lasers that emit in the mid to far infrared portion of the electromagnetic spectrum and were first demonstrated by Jerome Faist, Federico Capasso, Deborah Sivco, Carlo Sirtori, Albert Hutchinson,… …   Wikipedia

  • Type 344 Radar — Infobox Radar name = Type 344 caption = Type 344 on Luhu class destroyer country = People s Republic of China introdate = unknown number = unknown type = Fire Control frequency = I/J band PRF = unknown pulsewidth= unknown RPM = unknown range =… …   Wikipedia

  • LIDAR — A FASOR used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D2a line and used to excite sodium atoms in the upper atmosphere …   Wikipedia

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

  • Spacecraft in the Honorverse — This article is about the different types of spacecraft which appear in the Honorverse, a series of military science fiction novels written by American author David Weber, which feature Honor Harrington as its main character. Introduction The… …   Wikipedia

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