(of a light ray) parallel to the axis of an optical system
paraxial in American English
(pærˈæksiəl)
adjective
Optics
making a small angle with and lying close to the axis of an optical system
paraxial ray
Word origin
[1860–65; par- + axial]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: Paleolithic, calibrate, metric system, pop-up, prep
Examples of 'paraxial' in a sentence
paraxial
These wave packets are solutions to the paraxial and nonparaxial wave equations in curved space.
Rivka Bekenstein, Jonathan Nemirovsky, Ido Kaminer, Mordechai Segev 2014, 'Shape-Preserving Accelerating Electromagnetic Wave Packets in Curved Space', Physical Review Xhttp://doi.org/10.1103/PhysRevX.4.011038. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Experimental models and human morphometric studies have suggested an underlying paraxial mesoderm insufficiency.
Aintzane Urbizu, Claudio Toma, Maria A Poca, Juan Sahuquillo, Ester Cuenca-León, BruCormand, Alfons Macaya 2013, 'Chiari malformation type I: a case-control association study of 58 developmental genes.',PLoS ONEhttp://europepmc.org/articles/PMC3578784?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Tbx6, on the other hand, promotes paraxial mesodermal development while suppressing neural differentiation.
Yoshiteru Yano, Naoya Iimura, Nobuhiko Kojima, Hideho Uchiyama 2016, 'Non-neural and cardiac differentiating properties of Tbx6-expressing mouse embryonicstem cells', Regenerative Therapyhttp://www.sciencedirect.com/science/article/pii/S2352320416000146. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A mean paraxial hyperopic shift of one third of diopter was found after iris constriction.
Robert Montés-Micó, Patricio Hernández, Vicente Fernández-Sánchez, Sergio Bonaque,Francisco Lara, Norberto López-Gil 2010, 'Changes of the eye optics after iris constriction', Journal of Optometryhttp://www.sciencedirect.com/science/article/pii/S1888429610700315. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We demonstrate optical sharply bending beams under the paraxial condition.
Zekun Pi, Yi Hu, Zhigang Chen, Jingjun Xu 2019, 'Large-scale sharply bending paraxial beams', APL Photonicshttp://dx.doi.org/10.1063/1.5091571. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In addition, we discuss the limit of applicability of the paraxial approximation.
Tomonori Agoh 2009, 'Steady fields of coherent synchrotron radiation in a rectangular pipe', Physical Review Special Topics. Accelerators and Beamshttp://doi.org/10.1103/PhysRevSTAB.12.094402. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Here we investigate the focal spot structure in different geometrical configurations where standard paraxial hypotheses are no longer verified.
Bourgeade A., Coïc H., Goossens J.-P. 2013, 'Comparison of different approaches to the numerical calculation of the LMJ focal',EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20135905001. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Our first approach was a fast ray tracing based on a paraxial method to solve the two-point boundary value problem.
P. Podvin, J. Virieux, E. Le Meur 1997, 'Seismic tomography of the Gulf of Corinth: a comparison of methods', Annals of Geophysicshttp://www.annalsofgeophysics.eu/index.php/annals/article/view/3931. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
During development these cells were located in the cranial paraxial mesoderm and in the pharyngeal mesoderm.
Esther Camp, Susanne Dietrich, Andrea Münsterberg 2012, 'Fate mapping identifies the origin of SHF/AHF progenitors in the chick primitive streak.',PLoS ONEhttp://europepmc.org/articles/PMC3521730?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The good field symmetry allowed us to construct an explicit transfer matrix under the paraxial approximation.
A. Morita, Y. Iwashita 2003, 'Analysis of helical quadrupole focusing channel', Physical Review Special Topics. Accelerators and Beamshttp://doi.org/10.1103/PhysRevSTAB.6.014001. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)