Gaussian beams with optimal focal properties

R. L. Gordon*, G. W. Forbes

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Paraxial models of Gaussian beams can be used effectively in designing laser scanning systems for either reading or writing. As a first step, the Gaussian beam that maximizes the mean encircled energy fraction in a cylindrical region of space is considered here. The equations that result must be solved numerically in general, but asymptotic analysis leads in both the two- and three-dimensional geometries to a simple expression that accurately characterizes the optimal Gaussian for all symmetric configurations.

Original languageEnglish
Pages (from-to)195-201
Number of pages7
JournalOptics Communications
Issue number3-4
Publication statusPublished - 1 Mar 1996

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