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Applied physics

, Volume 14, Issue 4, pp 355–360 | Cite as

Observable manifestations of phase transitions in lasers

  • Rainer Salomaa
  • Stig Stenholm
Contributed Papers

Abstract

The well-known analogy between the Landau theory of phase transitions and lasers is discussed. It is shown that the AC-response of the output intensity to the modulation of the passive cavity losses gives an appealing correspondence to the specific heat. Experiments performed with a laser having an intracavity absorber are described to illustrate the first-order analogy.

PACS Codes

42.50 05 

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Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • Rainer Salomaa
    • 1
  • Stig Stenholm
    • 1
  1. 1.Department of Technical PhysicsHelsinki University of TechnologyEspoo 15Finland

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