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Properties of Laser Beams

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Abstract

Consider a quasi-monochromatic wave with a mean frequency <ω>. Show that the complex degree of coherence γ(1)(τ) can be written in the form γ(1)(τ)=|γ(1)(τ)| exp[j(<ω>τ-ψ(τ)], where |γ(1)(τ)| and ψ(τ) are slowly-varying functions of τ on a time scale 2/<ω>.

Keywords

Gaussian Beam Speckle Pattern Spatial Coherence Beam Waist Coherence Time 
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

© Springer Science+Business Media New York 2001

Authors and Affiliations

  1. 1.Politecnico di MilanoMilanoItaly

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