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Foundations of Physics

, Volume 22, Issue 5, pp 669–690 | Cite as

Line shapes in nonlinear spectroscopy

  • Lewis Klein
Part I. Invited Papers Dedicated To Henry Margenan
  • 50 Downloads

Abstract

The shape of the spectral lines of an optically active system interacting with one or more strong radiation fields in the presence of a perturbing bath is studied. A method based on the statistics of the fluctuation of the interaction between the radiator and the perturbing environment (the model Markov microfield theory) is used. This method permits the foundations of line shape theory in modern statistical mechanics to be seen clearly. Multiphoton processes and homogeneous, inhomogeneous, and power broadening mechanisms are included in the analysis. The correlations between radiative and collisional processes which arise in nonlinear spectroscopy are included explicitly. A discussion of the new information that is obtained from these correlations in nonlinear spectroscopy is also presented. Several model systems are presented as illustrative examples of the theory.

Keywords

Radiation Spectroscopy Spectral Line Active System Statistical Mechanic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1992

Authors and Affiliations

  • Lewis Klein
    • 1
  1. 1.Department of Physics and AstronomyHoward UniversityWashington, D.C.

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