Difference between revisions of "Two-photon cross section"
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Cmditradmin (talk | contribs) m (New page: The molecular cross-section for two photon absorptions is proportional to the imaginary part of γ :<math>/sigma(/omega) /ispropto Im [/gamma(-/omega; /omega, /omega, - /omega)]\,\!<...) |
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The molecular cross-section for two photon absorptions is proportional to the imaginary part of γ | The molecular cross-section for two photon absorptions is proportional to the imaginary part of γ | ||
:<math> | :<math>\sigma(\omega) \propto Im [\gamma(-\omega; \omega, \omega, - \omega)]\,\!</math> | ||
The bulk TPA coefficient is often represented by β, not to be confused with the first hyperpolarizability. | |||
Latest revision as of 15:46, 4 January 2010
The molecular cross-section for two photon absorptions is proportional to the imaginary part of γ
- <math>\sigma(\omega) \propto Im [\gamma(-\omega; \omega, \omega, - \omega)]\,\!</math>
The bulk TPA coefficient is often represented by β, not to be confused with the first hyperpolarizability.