lasing device

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

• Q-switching — Q switching, sometimes known as giant pulse formation, is a technique by which a laser can be made to produce a pulsed output beam. The technique allows the production of light pulses with extremely high (gigawatt) peak power, much higher than… …   Wikipedia

• nanotechnology — /nan euh tek nol euh jee, nay neuh /, n. any technology on the scale of nanometers. [1987] * * * Manipulation of atoms, molecules, and materials to form structures on the scale of nanometres (billionths of a metre). These nanostructures typically …   Universalium

• Liquid crystal — Schlieren texture of liquid crystal nematic phase Liquid crystals (LCs) are a state of matter that have properties between those of a conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid, but its… …   Wikipedia

• Coherent perfect absorber — A Coherent perfect absorber (CPA), or anti laser, is a device which absorbs coherent light and converts it to some form of internal energy such as heat or electrical energy.[1][2] It is the time reversed counterpart of a laser.[3] The concept was …   Wikipedia

• Hybrid silicon laser — A hybrid silicon laser is a semiconductor laser fabricated from both silicon and group III V semiconductor materials. The hybrid silicon laser was developed to address the lack of a silicon laser to enable fabrication of low cost, mass producible …   Wikipedia

• Heterojunction — A heterojunction is the interface that occurs between two layers or regions of dissimilar crystalline semiconductors. These semiconducting materials have unequal band gaps as opposed to a homojunction. It is often advantageous to engineer the… …   Wikipedia

• Gain-switching — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, of the order of picoseconds (10 12s).In a semiconductor laser, the optical pulses are generated by injecting a large number of carriers… …   Wikipedia

• Adi Bulsara — Infobox Scientist box width = 300px name = Adi Bulsara image size = 150px caption = Ardeshir Adi Ratan Bulsara birth date = birth date|1951|5|15 birth place = Bombay, India death date = death place = residence = United States citizenship =… …   Wikipedia

• Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …   Wikipedia

• Yttrium aluminium garnet — YAG redirects here. For the IATA airport code see Fort Frances Municipal Airport. For the YMCA sponsored program see YMCA Youth and Government. Yttrium aluminium garnet General Category synthetic mineral Chemical formula Y3Al …   Wikipedia