Title

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

Title - Alternative

Appl. Optics

Keywords

Laser Beams; Laser Propagation; Matrix Optics; Spot Size; Divergence; Order; 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 under ABCD transformations. Some examples are given.

Publication Title

Applied Optics

Volume

31

Issue/Number

30

Publication Date

1-1-1992

Document Type

Article

Language

English

First Page

6389

Last Page

6402

WOS Identifier

WOS:A1992JR91400004

ISSN

0003-6935

Share

COinS