paraxial


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Related to paraxial: paraxial rays

par·ax·i·al

(par-ak'sē-ăl),
By the side of the axis of any body or part.

paraxial

[perak′sē·əl]
pertaining to an organ or other structure located near the axis of the body.

par·ax·i·al

(par-ak'sē-ăl)
By the side of the axis of any body or part.

paraxial 

Pertains to light rays situated near enough to the axis of an optical system for the gaussian theory to apply. See gaussian theory.
References in periodicals archive ?
El mesodermo paraxial cefalico da origen a la musculatura voluntaria facial y celulas endoteliales, mientras que las CCNC dan origen al tejido conectivo craneofacial, como dentina, pulpa dental, cartilagos faciales, huesos del viscerocraneo, y region anterior de la base craneal.
The shorter surfaces help to check the ability of the system to make parallel features paraxial with the machine axes.
We use the paraxial approximation in both the phase transformation of the lens and the Huygens-Fresnel equations which assumes that all rays are traveling near parallel to the axis of the system.
The propagation of an optical beam in a nonlocal nonlinear medium in the paraxial approximation is described by NNLSE [3]:
However, these expansions suffer from a strong limitation, the paraxial approximation, that imposes to describe fields weakly diverging with respect to a main propagation direction.
However, the problem can be simplified by using the Paraxial Wave Equation (PWE) [10].
Vertebrae are derived from the sclerotome portions of the somites, which are derived from paraxial mesoderm.
Su aproximacion paraxial es la version lineal que se ha empleado en las multiples aplicaciones en las que esta integral se ha empleado.
Leupold, for example, always makes the internal lenses large enough to pass all of the valuable paraxial light produced by the objective; they never restrict the objective aperture with internal lenses at higher powers.
This positions the paraxial zone of the lens prescription most effectively, as far as the visual field is concerned.