The fine structure of optical vortices in a perturbed singular beam past the uniaxial crystal-polarization filter system is considered. The method of determination of the relative weight of the partial vortices contained in the perturbed vortex is discussed. The dependence of the relative weight of ...
This is not the case of speckle produced by structured light beams of non-homogeneous intensity and phase distribution. Pioneering studies along this direction have restricted to the specific case of optical vortices characterised by a ring-like intensity distribution and a helical phase of the form...
(5). To observe the spatial phase structure, a significant fraction of the radiation field should be observed simultaneously. The collimated nature of the undulator radiation provides an ideal experimental condition. We have carried out a series of experiments on the optical vortex beam from an ...
topological space- (mathematics) any set of points that satisfy a set of postulates of some kind; "assume that the topological space is finite dimensional" mathematical space infinite,space- the unlimited expanse in which everything is located; "they tested his ability to locate objects in space...
We observe that the meandering of vortex filaments dominates the flow in the passage and we decompose the unsteadiness surrounding the TLV core to contributions from interlaced vortices and broadband turbulence. The two contributions are of the same order of magnitude. During late stages of its ...
Atoms in optical latticesTunneling Josephson effect Bose-Einstein condensates in periodic potentials solitons vortices and topological excitationsUltracold gases trapped gasesShaken optical lattices permit to coherently modify the tunneling of particles in a controllable manner. We introduce a general relation ...
Attaching structure of optical fibers in photoelectric switch An optical fiber attaching structure in a photoelectric switch comprises: an optical fiber supporting member (12) made of an elastic material which is attached to one side portion of a casing (20) of a photoelectric switch and formed ...
Fano resonances and topological optics: An interplay of far- and near-field interference phenomena Fano resonanceMie scatteringoptical vorticessingular opticsFano resonances and optical vortices originate from two types of interference phenomena. Usually, these ... Luk'Yanchuk, B.S.,Miroshnichenko, A....
There are two types of microfluidic separation devices: active and passive19. The separation function of active microfluidic devices is given by a variety of external forces, such as magnetic20, electric21,22, acoustic23, centrifugation, and optical trapping24forces, therefore bringing versatility to...
Figure 1. Synthesis of 2D ironene by CVD (A) A schematic view of the Te-assisted CVD process of 2D ironene using two stacked micas as substrates for space-confined growth. (B) Optical images of 2D ironene with different thicknesses on mica substrates obtained by decreasing the amount of...