Further Studies on Nonlinear Adaptive Optics,

Abstract

This work examines interband transitions near the bandedge, alkali type ious embedded in dielectrics, and two-photon resonances in three-level systems for the purpose of four-wave mixing and phase conjugation at the iodine laser frequency. It also examines the time-dependent properties of unstable resonators with a saturable gain medium. The third order susceptibility and the conjugate reflectively of semiconductors are calculated. Near the band edge the reflectivity is enhanced. The unstable-resonator field is represented in terms of a series of empty resonator modes, and a set of first order in time differential equations for the expansion coefficients is achieved. There is a stable solution and a bistable one, with self-sustaining pulsations. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1981
Accession Number
ADA099167

Entities

People

  • A. Elci
  • D. Rogovin
  • J. Nagel

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Adaptive Optics
  • Air Force
  • Band Gaps
  • Band Structures
  • Dielectrics
  • Differential Equations
  • Eigenvalues
  • Energy Bands
  • Energy Levels
  • Equations Of Motion
  • Frequency Shift
  • Integral Equations
  • Laser Mediums
  • Lasers
  • Optics
  • Resonators
  • Wave Mixing

Fields of Study

  • Physics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Materials Science and Engineering.
  • Optical Physics and Photonics.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Microelectronics