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.
Farlex Partner Medical Dictionary © Farlex 2012

par·ax·i·al

(par-ak'sē-ăl)
By the side of the axis of any body or part.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

paraxial 

Pertains to light rays situated near enough to the axis of an optical system for the gaussian theory to apply. See gaussian theory.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
The propagation of beam through paraxial periodic slab system with NIMs can be described by the Collins integral [22]:
Vivarelli et al., "Differential activation of Myf5 and MyoD by different Wnts in explants of mouse paraxial mesoderm and the later activation of myogenesis in the absence of Myf5," Development, vol.
Operand Meaning Target [T.sub.1] Effective focal length 2 mm [T.sub.2] Total length 4 mm [T.sub.3] Paraxial image height 2.3mm [T.sub.4] Relative illumination 55% [T.sub.5] Maximum center thickness of the glass 1 mm [T.sub.6] Minimum center thickness of the glass 0.3 mm [T.sub.7] Maximum edge thickness of the glass 1 mm [T.sub.8] Minimum edge thickness of the glass 0.3 mm [T.sub.9] Distortion max 15% Table 5: Lens parameter table after optimization.
Gutierrez-Vega, "Ince-Gaussian modes of the paraxial wave equation and stable resonators," Journal of the Optical Society of America A, vol.
Therefore, by employing the augmented 5 x 5 ray matrix method, beam behavior in our multipass systems (also called UMS) can be modeled in the paraxial approximation domain (incident angle less than 5 degrees).
Subsequently, many other scholars proposed other boundary conditions, including the rigid transmitting boundary [12], the iterative transmitting boundary [13], the Smith boundary [14], the paraxial boundary [15, 16], and the Higdon boundary [17].
(b) Paraxial view demonstrating the close relation (1 mm) of the pericardiophrenic bundle (arrow) to the right upper pulmonary vein (RUPV).
[293] suggest that the spinal defect in Noggin null embryos results from a failure to maintain a closed neural tube due to a defective paraxial mesoderm [293].
The Evi1 proto-oncogene is required at midgestation for neural, heart, and paraxial mesenchyme development.
Using the paraxial approximation, by considering that the dimensions [x.sub.1], [y.sub.1] of output plane are much smaller than the distance z of propagation, r can be rewritten by means of a Taylor series expansion as r = z + [([x.sub.1] - [x.sub.0]).sup.2]/2z + [([y.sub.1] - [y.sub.0]).sup.2]/2z.
BASEL, Switzerland, June 8, 2016--CRISPR Therapeutics and French company Anagenesis Biotechnologies (Illkirch) announced a strategic inlicensing and collaboration agreement that grants CRISPR a license to Anagenesis' proprietary Paraxial Mesoderm Multipotent Cells (P2MCs) technology for cell therapy for all human muscle diseases.