Title

Complex Beam Parameter And Abcd Law For Non-Gaussian And Nonspherical Light Beams

Keywords

Laser beams; Laser propagation; Matrix optics

Abstract

We define the width, divergence, and curvature radius for non-Gaussian and nonspherical light beams. A complex beam parameter is also defined as a function of the three previous ones. We then prove that the ABCD law remains valid for transforming the new complex beam parameter when a non-Gaussian and nonspherical, orthogonal, or cylindrical symmetric laser beam passes through a real ABCD optical system. The product of the minimum width multiplied by the divergence of the beam is invariant underABCD transformations. Some examples are given. © 1992, Optical Society of America.

Publication Date

10-20-1992

Publication Title

Applied Optics

Volume

31

Issue

30

Number of Pages

6389-6402

Document Type

Article

Identifier

scopus

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/AO.31.006389

Socpus ID

84975655174 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84975655174

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