Results 271 to 280 of about 1,120,417 (313)

Geometrical Optics

Turning the World Inside Out and 174 Other Simple Physics Demonstrations, 2020
Raimund J. Ober   +2 more
semanticscholar   +4 more sources

Geometrical Optics

Encyclopedia of the History of Arabic Science, 2019
P. Ewart
semanticscholar   +4 more sources

Geometrical Optics

Optical Principles and Technology for Engineers, 2018
A. Yacoubian
semanticscholar   +4 more sources

A Novel and Systematic Approach to Inhomogeneous Dielectric Lens Design Based on Curved Ray Geometrical Optics and Particle Swarm Optimization

IEEE Transactions on Antennas and Propagation, 2019
A numerical synthesis algorithm is presented to design inhomogeneous 3-D-printed lenses for any aperture field and, hence, beam pattern. The algorithm is based on geometrical optics (GO), a numerical method for wave propagation in inhomogeneous media ...
J. Budhu, Y. Rahmat-Samii
semanticscholar   +1 more source

Geometrical Optical Illusionists

Perception, 2014
Geometrical optical illusions were given this title by Oppel in 1855. Variants on such small distortions of visual space were illustrated thereafter, many of which bear the names of those who first described them. Some original forms of the geometrical optical illusions are shown together with ‘perceptual portraits’ of those who described them.
openaire   +3 more sources

Geometrical Optics

2015
Abstract The theory of geometrical optics as presented here is associated with rays that propagate at small angles where the sine of the angle can be replaced by the angle in radians. This is called the paraxial theory and it fails to describe the actual performance of an optical system.
  +4 more sources

A New Optical-Geometrical Illusion

Perception, 2007
We describe and attempt to explain a new and unusual optical-geometrical illusion with three levels of distortion. The illusory figure is made up of three juxtaposed bands of the same width, which, when appropriately juxtaposed, appear to be of different widths. We hypothesised that the effect would depend on the combined action of various factors: (i)
BRESSANELLI, Daniela   +1 more
openaire   +3 more sources

Geometrical optics of inhomogeneous media

Geometrical Optics of Weakly Anisotropic Media, 2019
Y. Kravtsov, Y. Orlov
semanticscholar   +1 more source

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