quantum cascade laser

quantum cascade laser
A laser that operates by analogy with an electronic waterfall, with electrons cascading down a series of small steps emitting a photon at each step. <! any more information than that would be in an encyclopedia. Until someone writes it up for Wikipedia, make do with the References below.

Wikipedia foundation.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • 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

  • Laser 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 …   Wikipedia

  • Laser à cascade quantique — Le laser à cascade quantique (abrégé en QCL pour Quantum Cascade Laser) est un laser à semi conducteur, pouvant émettre de l infra rouge moyen à l infra rouge lointain dont le principe d’émission par cascade quantique a été initialement proposé… …   Wikipédia en Français

  • Cascade — A cascade is a type of waterfall or a series of waterfalls.Cascade may also refer to: Places North America* Cascade Range, a mountain range on the west coast of North America * Cascade Volcanoes, a grouping of volcanoes on the west coast of North …   Wikipedia

  • laser — 1. noun /ˈleɪz.ə(ɹ)/ a) A device that produces a monochromatic, coherent beam of light. b) A gum resin obtained from certain umbelliferous plants. See Also: antilaser, lase, Laserdisc, laser disc, l …   Wiktionary

  • Laser absorption spectrometry — (LAS) refers to techniques that utilize lasers to assess the concentration or amount of a species in gas phase by absorption spectrometry (AS).It is well known that optical spectroscopic techniques in general and laser based techniques in… …   Wikipedia

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

  • Différents types de laser — Liste des différents types de laser Ceci est une liste des différents types de lasers avec la longueur d onde sur laquelle ils opèrent et leurs applications. Il existe plusieurs milliers de sortes de lasers mais la plupart d entre eux ne sont… …   Wikipédia en Français

  • Liste des différents types de laser — Ceci est une liste des différents types de lasers avec la longueur d onde sur laquelle ils opèrent et leurs applications. Il existe plusieurs milliers de sortes de lasers mais la plupart d entre eux ne sont utilisés que dans le cadre de… …   Wikipédia en Français

  • Distributed feedback laser — A distributed feedback laser (DFB) is a type of laser diode, quantum cascade laser or optical fibre laser where the active region of the device is periodically structured as a diffraction grating. The structure builds a one dimensional… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”