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Modeling the Effects introduced by t

VirtualLab Fusion new version 2025.1

The New VirtualLab Fusion 2025£ºOver

Notes on Constraints

Non-Sequential Ray Tracing Analysis

Moir¨¦ Fringes Generation

Observation of Gouy Phase Shift in a

Modeling of a Herriott-Cell

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Module for the Measurement of FFT Ex
Modeling the Effects introduced by the Real Structure of a Diffractive Lens in a Hybrid Eyepiece
Time: 2025-07-16 12:20Source: infocrops.comWriter: infocrops

Hybrid lenses with both refractive and diffractive surfaces have become a promising solution for different applications. Here we demonstrate an example of a hybrid eyepiece, in which a diffractive lens modeled as a real surface is used to correct chromatic aberration. Propagation through the diffractive grating structure is handled with the Local Linear Grating Approximation (LLGA) electromagnetic field solver, with a combination of the Thin Element Approximation (TEA) and the Fourier Modal Method (FMM) as the base local solvers. An internal accuracy criterion controls which of the two algorithms is used at which lateral position.
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