paraxial

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paraxial

(pă-raks -ee-ăl) Lying close to the optical axis of a lens, mirror, or system of such elements.

paraxial

[par′ak·sē·əl]

(science and technology)

Lying near the axis.

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References in periodicals archive ?

The Fresnel-Fraunhofer transform presents a restriction inherited from the paraxial approximation performed on the Fresnel-Kirchhoff integral, where the condition [z.

Principios opticos basicos aplicados al calculo de los limites de metodos de difraccion numerica

A solution may consist in using the plane wave spectrum of CGBs introduced in [17], or alternatively in performing an asymptotic evaluation of the radiation integrals with another approximation such as the paraxial approximation.

Physics-based expansion on 3D conformal Gaussian beams for the scattering from a curved interface

Moreover, we treat the elegant Laguerre-Gaussian beam beyond the paraxial approximation.

Orbital angular momentum density of an elegant Laguerre-Gaussian beam

Lencina, "Limits of the paraxial approximation in laser beams," Opt.

Features of the Gouy phase of nondiffracting beams

The propagation of a light beam in a Kerr medium, under the paraxial approximation, can be described by the NLS equation: