WebApr 28, 2024 · We report selective excitations of higher-order Hermite-Gaussian and Ince-Gaussian (IG) modes in a laser-diode-pumped microchip solid-state laser and controlled generation of corresponding higher-order and multiple optical vortex beams of different shapes using an astigmatic mode converter (AMC). The Hermite-Gaussian and Laguerre-Gaussian modes are a special case of the Ince-Gaussian modes for ε = ∞ and ε = 0 respectively. Hypergeometric-Gaussian modes. There is another important class of paraxial wave modes in cylindrical coordinates in which the complex amplitude is proportional to a confluent … See more In optics, a Gaussian beam is a beam of electromagnetic radiation with high monochromaticity whose amplitude envelope in the transverse plane is given by a Gaussian function; this also implies a Gaussian See more Power through an aperture With a beam centered on an aperture, the power P passing through a circle of radius r in the transverse plane at position z is For a circle of radius r = w(z), the fraction of power transmitted through the circle is Similarly, about 90% … See more When a gaussian beam propagates through a thin lens, the outgoing beam is also a (different) gaussian beam, provided that the beam … See more The Gaussian beam is a transverse electromagnetic (TEM) mode. The mathematical expression for the electric field amplitude is a … See more The geometric dependence of the fields of a Gaussian beam are governed by the light's wavelength λ (in the dielectric medium, if not free space) and the following beam … See more The spot size and curvature of a Gaussian beam as a function of z along the beam can also be encoded in the complex beam parameter q(z) given … See more As a special case of electromagnetic radiation, Gaussian beams (and the higher-order Gaussian modes detailed below) are solutions to the wave equation for an electromagnetic field in … See more
Parametric upconversion of Ince-Gaussian modes
WebApr 22, 2024 · Engineering vector spatial modes of photons is an important approach for manipulating high-dimension photonic states in various quantum optical experiments. In this work, we demonstrate the generation of heralded single photons with well-defined vector spatial modes by using a self-stable polarizing interferometer comprising a spatial light … WebMar 1, 2024 · M. A. Bandres proposed a new complete family of transverse modes [15], the Ince–Gaussian (IG) modes, which is constructed in the elliptic coordinate system and realizes the unified and continuous transition of Hermite–Gaussian (HG) modes in the Cartesian coordinate system and Laguerre–Gaussian (LG) modes in the polar coordinate … on this day in uk history 1976
Ince–Gaussian beams - Optica
WebNov 4, 2013 · Chu et al. constructed a kind of Ince-Gaussian modes (IGM)-based vortex array laser beams consisting of p x p embedded optical vortexes from Ince-Gaussian modes, IG (e) (p,p) modes [Opt. Express 16, 19934 (2008)]. WebApr 18, 2024 · Here we report on a class of vector beams with elliptical symmetry where thespatial DoF is encoded in the Ince-Gaussian modes of the cylindrical elliptical … WebApr 1, 2015 · Ince-Gaussian (IG) beam with elliptical profile, as a connection between Hermite-Gaussian (HG) and Laguerre-Gaussian (LG) beams, has showed unique advantages in some applications such as quantum entanglement and optical micromanipulation. However, its dynamic generation with high switching frequency is still challenging. on this day in uk history 1982