WebJun 1, 2024 · where Ai(⋅) represents the Airy function, θ is the angle between two wings of each superposed 2D Airy beam, r 0 denotes an arbitrary transverse scale, s n expresses a dimensionless transverse coordinate and a is an exponential decay factor, c 0 refers to the initial position of superposed 2D Airy beam, λ is the wavelength, and k = 2πn/λ (n is the … In optics, the Airy disk (or Airy disc) and Airy pattern are descriptions of the best-focused spot of light that a perfect lens with a circular aperture can make, limited by the diffraction of light. The Airy disk is of importance in physics, optics, and astronomy. The diffraction pattern resulting from a uniformly … See more Far from the aperture, the angle at which the first minimum occurs, measured from the direction of incoming light, is given by the approximate formula: or, for small angles, … See more The intensity of the Airy pattern follows the Fraunhofer diffraction pattern of a circular aperture, given by the squared modulus of the Fourier transform of the circular aperture: See more Similar equations can also be derived for the obscured Airy diffraction pattern which is the diffraction pattern from an annular aperture or beam, i.e. a uniform circular aperture (beam) obscured by a circular block at the center. This situation is relevant to many … See more Cameras If two objects imaged by a camera are separated by an angle small enough that their Airy disks on … See more Light from a uniformly illuminated circular aperture (or from a uniform, flattop beam) will exhibit an Airy diffraction pattern far away from the … See more The Airy pattern falls rather slowly to zero with increasing distance from the center, with the outer rings containing a significant portion of the integrated intensity of the pattern. As a result, … See more • Amateur astronomy • Apodization • Fraunhofer diffraction • Bloom (shader effect) See more
Optimal control of the ballistic motion of Airy beams
WebJan 18, 2024 · Circular Airy Gaussian vortex (CAGV) beams have gained great popularity in areas of research such as optical tweezers and optical communications due to their … WebMar 10, 2024 · where Ai(·), r, and a represent the Airy function, radial coordinate, and apodization parameter, respectively. Further, R, w, and b are, respectively, the main ring radius, width, and distribution factor of the initial ring-Airy beam; m is the topological charge of the optical vortex, z is the propagation distance; and v is a parameter associated with … mech building services
Radially polarized symmetric Airy beam Request PDF
WebFeb 1, 2024 · The circle Olver beams (COBs) generated by modulation on the basis of a new type of Olver beam are presented numerically and experimentally. The zeroth order COB is the circle Airy beam. We demonstrate auto-focusing of the COBs with both inward and outward accelerations, where the odd order COBs display auto-defocusing while the … WebWe introduce a new class of (2+1) dimensional circle Pearcey beams (CPBs) with the abruptly autofocusing (AAF) characteristics. Compared with circular Airy beams, CPBs … Websatisfying Maxwell's equations) is the beam we present here, and that the Airy beam found in [1] is simply the outcome of the paraxial approximation. We find the solutions for both TE and TM, where the beams exhibit shape-preserving bending with sub-wavelength features, and the Poynting vector of their main lobe displays a turn of more than 90 °. pek kio food centre