Results 91 to 100 of about 184,725 (118)
Widely-tunable vortex output from a singly resonant optical parametric oscillator
, 2015 Aizitiaili Abulikemu +4 more
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Physical Review A, 1993
We describe a phenomenon of nonlinear optics that occurs in the framework of transverse effects and optical vortices in lasers. We find that in a class-B laser vortices can never be at rest, but move, starting from an initial symmetry breaking of the direction of motion, continuously.
H. R. Telle +3 more
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We describe a phenomenon of nonlinear optics that occurs in the framework of transverse effects and optical vortices in lasers. We find that in a class-B laser vortices can never be at rest, but move, starting from an initial symmetry breaking of the direction of motion, continuously.
H. R. Telle +3 more
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Optics Letters, 2009
We theoretically and experimentally demonstrate how "vectograph" film may be used to create arbitrarily complex vector fields having broadband phase features such as optical vortices.
Arvind S. Marathay +4 more
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We theoretically and experimentally demonstrate how "vectograph" film may be used to create arbitrarily complex vector fields having broadband phase features such as optical vortices.
Arvind S. Marathay +4 more
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Frontiers in Optics, 2005
We describe a method to observe dim exoplanets that eliminates light from the parent star across the entire exit pupil without sacrificing light from the planet by use of a vortex mask of topological charge m = 2.
David M. Palacios +2 more
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We describe a method to observe dim exoplanets that eliminates light from the parent star across the entire exit pupil without sacrificing light from the planet by use of a vortex mask of topological charge m = 2.
David M. Palacios +2 more
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2020 International Conference on Information Technology and Nanotechnology (ITNT), 2020
In this review the author presents the major works, that according to his opinion have played a historically important part in the formation and development of one of the most mysterious sections of modern optics - vortex (or singular) optics. Singular optics studies the behavior of light in the areas where there is no light - at zeros of intensity. An
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In this review the author presents the major works, that according to his opinion have played a historically important part in the formation and development of one of the most mysterious sections of modern optics - vortex (or singular) optics. Singular optics studies the behavior of light in the areas where there is no light - at zeros of intensity. An
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Conference on Lasers and Electro-Optics, 2021
We demonstrate that, upon interaction with different randomly scattering media, vortex beams maintain a certain memory of initial properties.
Mahdi Eshaghi, Aristide Dogariu
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We demonstrate that, upon interaction with different randomly scattering media, vortex beams maintain a certain memory of initial properties.
Mahdi Eshaghi, Aristide Dogariu
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An optical vortex transmissometer
Ocean Sensing and Monitoring X, 2018A method and system for optical vortex transmissometry. The method uses optical orbital angular momentum (OAM) and optical vortices to discriminate coherent non-scattered light from incoherent scattered light. The system includes a laser which transmits a Gaussian laser beam through a medium.
Alan Laux +3 more
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Optical vortex trapping of particles [PDF]
Optics Letters, 1996 We demonstrate three-dimensional trapping of low-index particles (20-microm-diameter hollow glass spheres in water) by using a single, strongly focused, stationary dark optical vortex laser beam. The holographically generated vortex, which is similar to a TEM(01)* mode beam, was also used to trap and form ring patterns of high-index particles.
Grover A. Swartzlander, K.T. Gahagan
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Frontiers in Optics 2007/Laser Science XXIII/Organic Materials and Devices for Displays and Energy Conversion, 2007
The optical vortex coronagraph is a promising scheme for achieving high contrast low loss imaging of exoplanets. Observatory and laboratory measurements will be presented and analyzed. Procedures for achieving improved performance will be described.
Mary Anne Peters +7 more
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The optical vortex coronagraph is a promising scheme for achieving high contrast low loss imaging of exoplanets. Observatory and laboratory measurements will be presented and analyzed. Procedures for achieving improved performance will be described.
Mary Anne Peters +7 more
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Entangled transverse optical vortex
Optics Letters, 2014We discuss a new kind of optical vortex with the angular momentum perpendicular to the flow direction and entangled in that it is a coherent combination of different orbital angular momentum states of the same sign. This entangled state exhibits many unexpected physical properties.
S. T. Chui, Zhifang Lin
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