• In physics, specifically statistical mechanics, a population inversion occurs while a system (such as a group of atoms or molecules) exists in a state...
    21 KB (3,062 words) - 13:43, 26 July 2024
  • Look up Inversion or inversion in Wiktionary, the free dictionary. Inversion or inversions may refer to: Inversion (artwork), a 2005 temporary sculpture...
    4 KB (582 words) - 20:54, 10 June 2024
  • Thumbnail for Chromosomal inversion
    An inversion is a chromosome rearrangement in which a segment of a chromosome becomes inverted within its original position. An inversion occurs when a...
    18 KB (1,940 words) - 20:34, 15 March 2024
  • Thumbnail for Laser
    of a population inversion. In 1955, Prokhorov and Basov suggested optical pumping of a multi-level system as a method for obtaining the population inversion...
    113 KB (12,669 words) - 02:30, 27 August 2024
  • Thumbnail for Active laser medium
    laser, the active gain medium must be changed into a state in which population inversion occurs. The preparation of this state requires an external energy...
    9 KB (1,589 words) - 07:57, 3 December 2023
  • Thumbnail for Stimulated emission
    energy states than in the higher energy states. However, when a population inversion is present, the rate of stimulated emission exceeds that of absorption...
    21 KB (3,244 words) - 14:48, 2 August 2024
  • Thumbnail for Helium–neon laser
    other neon transitions were investigated to identify ones in which a population inversion can be achieved. The 633 nm line was found to have the highest gain...
    14 KB (1,684 words) - 20:27, 25 August 2024
  • the electrons of the dopant atoms that a population inversion can be produced, and this population inversion is essential for the stimulated emission...
    7 KB (867 words) - 07:46, 26 January 2024
  • multicarrier Auger processes which increases the nonradiative rate upon population inversion. Auger processes are intrinsic to the material but, in contrast to...
    5 KB (546 words) - 00:06, 20 May 2024
  • Thumbnail for Blue laser
    Blue gas lasers are large and expensive instruments relying on population inversion in rare gas mixtures which use high currents and large cooling due...
    18 KB (1,916 words) - 23:07, 25 September 2024