• No results found

Optical vortex

Tight focusing of azimuthally polarized optical vortex produced by subwavelength grating

Tight focusing of azimuthally polarized optical vortex produced by subwavelength grating

... polarized optical vortices have not been previously ...polarized optical vortex with a wavelength of λ = 532 nm using a Fresnel zone plate (ZP) with NA = ...polarized optical vortex; ...

7

White-light optical vortex coronagraph

White-light optical vortex coronagraph

... of optical traps become realized. This is where the optical vortex plays a ...the optical vortex has dark focus and thus applicable to these ...the optical vortex tweezers ...

56

Stokes parameters in the unfolding of an optical vortex through a birefringent crystal

Stokes parameters in the unfolding of an optical vortex through a birefringent crystal

... an optical vortex on propagation through a crystal, as explained here and in ...between optical vortices, the singularities of scalar optics, and C lines and L surfaces, the singularities of paraxial ...

10

Visualization of the birth of an optical vortex using diffraction from a triangular aperture

Visualization of the birth of an optical vortex using diffraction from a triangular aperture

... the optical lattice distorts and the lattice symmetry is ...the optical vortex fixed then the orientation of the optical lattice should also ...the optical lattice should melt and ...

12

Innovative Security Technology for Optical Fiber Data Transmission  Using Optical Vortex

Innovative Security Technology for Optical Fiber Data Transmission Using Optical Vortex

... an optical vortex phenomenon for secure data exchange in the optical fiber ...line. Optical vortices are obtained in free space, and then they are introduced into the optical ...of ...

6

High-Energy Nanosecond Optical Vortex Output From Nd:Yag Amplifiers

High-Energy Nanosecond Optical Vortex Output From Nd:Yag Amplifiers

... continuous-wave vortex beam at 1064 nm was reported with a MOPA system employing fiber amplifier as well ...of optical vortex in two flash-lamp-pumped Nd:YAG amplifier stages is ...nanosecond ...

11

High Order Dielectric Metasurfaces for High Efficiency Polarization Beam Splitters and Optical Vortex Generators

High Order Dielectric Metasurfaces for High Efficiency Polarization Beam Splitters and Optical Vortex Generators

... The optical vortex beam has a helical wavefront and car- ries an orbital angular momentum of lℏ [37, 38], which make it show great promises in high-resolution lithog- raphy [39, 40], optical trapping ...

8

Topological events on wave dislocation lines: birth and death of small loops, and reconnection

Topological events on wave dislocation lines: birth and death of small loops, and reconnection

... (optical) vortex or phase singularity, is a line zero of a complex scalar ...the vortex can change by encounter with a line of vanishing vorticity (curl of the current associated with the ...the ...

10

Vortex knots in light

Vortex knots in light

... above, vortex carrying beams can be easily created within the laboratory using diffractive optical ...an optical vortex. The strength l of the vortex is equal to the order of the fork ...

11

Subwavelength micropolarizer in a gold film for visible light

Subwavelength micropolarizer in a gold film for visible light

... polarized optical vortex was reported in [14] to be focused in the magneto-optical material using a ...polarized optical vortex transmitted through an annular mask and focused by a ...

8

Coaxial superposition of Bessel beams by discretized spiral axicons

Coaxial superposition of Bessel beams by discretized spiral axicons

... an optical vortex lattice equivalent to the coaxial superposition of fundamental vortex modes, analogous to ...additional optical com- ponents in order to perform the superposition [16, ...

9

Singular light knots

Singular light knots

... scalar optical phenomenon that occurs at points where the intensity of a complex scalar field vanishes and the phase is undefined; hence it is ...name optical vortex owes to the fact that such ...

44

Mathematical modeling and simulation of aquatic and aerial animal locomotion

Mathematical modeling and simulation of aquatic and aerial animal locomotion

... the vortex-sheet model provides an asymptotic ap- proximation for slightly viscous ...periodic vortex-sheet roll-up in two-dimensional ...the vortex-blob simulations with finite-difference solutions ...

107

Experimental and CFD Analysis of Vortex Tube

Experimental and CFD Analysis of Vortex Tube

... flow vortex Tube is used to study the Vortex Tube ...a vortex generator and created a vortex flow when pressurized air is passed through ...of vortex tube but just guide the cold mass ...

5

Response of a columnar vortex to a wrapped vortex loop

Response of a columnar vortex to a wrapped vortex loop

... the vortex-body interaction experiments, a solid body is translated at a speed U through a vertical intake vortex with strength Γ and average downward axial flow w 0 ...The vortex is generated in ...

12

An eddy-covariance system with an innovative vortex intake for measuring carbon dioxide and water fluxes of ecosystems

An eddy-covariance system with an innovative vortex intake for measuring carbon dioxide and water fluxes of ecosystems

... the vortex intake works better than an inline filter in very polluted urban ...the vortex-intake performances in a variety of ecosystems ...of vortex and inline filter designs would also be of value, ...

9

Analysis on Physical Mechanism of Sound Generation inside Cavities Based on Acoustic Analogy Method

Analysis on Physical Mechanism of Sound Generation inside Cavities Based on Acoustic Analogy Method

... High-speed compressible flows past open cavities induce complex unsteady aerodynamic characteristics, such as flow separation in the cavity front-face, shear-layer in- stabilities, vortex shedding, shock ...

9

Vortex Solitons, Soliton
Clusters, and Vortex Lattices 

Vortex Solitons, Soliton Clusters, and Vortex Lattices 

... 1RQOLQHDU SKRWRQLF VWUXFWXUHV FUHDWHG E\ WZR GLPHQVLRQDO ODWWLFHV RI SL[HOOLNH VROLWRQV KDYH UHFHQWO\ EHHQ GHPRQVWUDWHG H[SHULPHQWDOO\ LQ SDUDPHWULFSURFHVVHV>@DQGLQSKRWRUHIUDFWLYH FU\[r] ...

7

Seal and Sea lion Whiskers Detect Slips of Vortices Similar as Rats Sense Textures

Seal and Sea lion Whiskers Detect Slips of Vortices Similar as Rats Sense Textures

... a vortex street and interrogates them with their whisker, each vortex core causes the adjacent whisker to move forward against the direction of swimming or ‘to slip’ from the mean direction of ...the ...

16

Lift and Thrust Characteristics of Flapping Wing Aerial Vehicle with Pitching and  Flapping Motion

Lift and Thrust Characteristics of Flapping Wing Aerial Vehicle with Pitching and Flapping Motion

... Development of flapping wing aerial vehicle (FWAV) has been of interest in the aerospace commu- nity with ongoing research into unsteady and low Reynolds number aerodynamics based on the vortex lattice method. ...

8

Show all 10000 documents...

Related subjects