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VirutalLab FUSION 2020

VirtualLab Fusion provides a platform for connecting optical field solvers. This approach enables fast physical optics with ray tracing.

With the advent of modern technologies in the area of optical projection systems and laser material processing units, the request of more specialized optical components becomes more and more pressing. One type of component that is frequently used in these areas are microlens arrays. To fully understand the optical characteristics of such components, the simulation of the propagated light at various positions behind the microlens array is necessary. In this use case we investigate the field after the component in the near field, the focal zone, and the far field.

Apart from Hermite- and Laguerre-Gaussian modes there is a third kind of rigorous and orthogonal solution family for the paraxial wave equation – the so-called Ince Gaussian modes. These solutions are defined in elliptical coordinates and have the benefit of allowing for a transition between Hermite- and Laguerre-Gaussian modes by means of an elliptical parameter. These modes have advantages in the area of optical tweezers and particle-trapping applications. This use case presents the Ince-Gaussian Beam Source in VirtualLab Fusion and shows how to define an individual mode.

Ince-Gaussian modes are the third complete family of exact and orthogonal solutions of the paraxial wave equation alongside the Hermite-Gaussian and Laguerre-Gaussian modes. Ince-Gaussian modes have a diversiform transverse pattern. In this document, following in the steps of Chu et al. [Opt. Express 16, 19934-19949 (2008)], a Dove prism-embedded unbalanced Mach-Zehnder interferometer is used to simulate the generation of vortex array laser beams based on Ince-Gaussian modes. The resulting vortex array laser beam generated by the proposed interferometric setup maintains its beam profile during propagation, also through a focus. Thus, the proposed vortex array laser beams hold great promise for application in optical tweezers and atom traps in the form of two-dimensional arrays.
Product: VirutalLab FUSION 2020
Version:2020
Supported Architectures: x64
Language: english
Supported Operating Systems:Windows 7even or newer
Size: 1DVD

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