Concepedia

Entropy-based definition of laser beam spot size

Miguel A. Porras, Rafael Medina Ferro

Applied Optics · 1995 · 16 citations · 9 references

DOI

Concepts

Abstract

We introduce new definitions of spot size, mean curvature radius, divergence angle, and quality of laser beams that are based on Shannon's information-entropy formula and study their properties.

References

9

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Hans Maassen, Jos Uffink · Physical Review Letters · 1988 · 1.3K citations · Full text

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Uncertainty relations for information entropy in wave mechanics

Iwo Białynicki‐Birula, Jerzy Mycielski · Communications in Mathematical Physics · 1975 · 1.1K citations

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From Maxwell to paraxial wave optics

M. Lax, William H. Louisell, W. B. McKnight · Physical review. A, General physics · 1975 · 930 citations

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Beam propagation and the ABCD ray matrices

P. A. Bélanger · Optics Letters · 1991 · 326 citations

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Choice of clip levels for beam width measurements using knife-edge techniques

A. E. Siegman, Michael W. Sasnett, Thomas F. Johnston · IEEE Journal of Quantum Electronics · 1991 · 214 citations

, , +6