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Complete Workflow for the Design and Analysis of Diffractive Lenses

[July 11, 2019]
VirtualLab Fusion, with its Summer Release 2019, provides a complete workflow for the design and analysis of diffractive lenses.
[July 11, 2019]

Diffractive lenses show great potential in various modern optical applications. VirtualLab Fusion, with its Summer Release 2019, provides a complete workflow for the design and analysis of diffractive lenses. It starts with the functional design of the wavefront phase response, which can also, alternatively, be imported from e.g. Zemax OpticStudio®, then includes the actual microstructured lens surface into the modeling, and supports the export of the lens structure for fabrication. As an example, the design and analysis of an intraocular lens is shown.

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Ultrashort Pulses Modeling

[July 05, 2019]
For ultrashort pulse applications it is important to understand the mechanism of pulse broadening, and even to control it. As examples, we demonstrate how material dispersion and diffraction gratings can affect the pulse behavior.
[July 05, 2019]

Ultrashort laser pulses show a potential for high-precision material processing. However, such pulses may broaden due to the wide spectrum that corresponds to the ultrashort temporal duration. For ultrashort pulse applications it is important to understand the mechanism of pulse broadening, and even to control it. As examples, we demonstrate how material dispersion and diffraction gratings can affect the pulse behavior.

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Modeling of Optical Etalons

[June 21, 2019]
The non-sequential field tracing technique in VirtualLab Fusion enables the accurate modeling of different types of etalons, with either planar or curved surfaces and coatings.
[June 21, 2019]

Optical etalons, in the simple structure of a transparent plate, can form Fabry-Pérot resonators and therefore be used for spectral and/or angular selection. The non-sequential field tracing technique in VirtualLab Fusion enables the accurate modeling of different types of etalons, with either planar or curved surfaces and coatings. As a typical application, we demonstrate the optical setup for the examination of sodium D lines with an etalon as the key component.

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VirtualLab Fusion summer release 2019

[June 14, 2019]
VirtualLab Fusion release with exciting new physical-optics features presented at LASER 2019
[June 14, 2019]

We will present the new summer release 2019 of our Fast Physical Optics software VirtualLab Fusion at the LASER World of Photonics 2019 in hall B1, booth 209.

LASER Exhibition | 24 – 27 June

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Debye-Wolf Integral

[June 07, 2019]
VirtualLab Fusion provides the Debye-Wolf integral calculator – it is a well-known idealized model for lens systems which is not restricted to paraxial cases, as it includes the most relevant vectorial effects from high-NA objective lenses.
[June 07, 2019]

It is established that vectorial effects are non-negligible in high-NA imaging systems, like microscopes. The lens surface and material specifications must, technically, be known in order to take the exact vectorial effects into account. However, such detailed information of most commercial objective lenses is not freely available in general. For such situations, you have the Debye-Wolf integral calculator as one possible way out – it is a well-known idealized model for lens systems which is not restricted to paraxial cases, as it includes the most relevant vectorial effects from high-NA objective lenses.

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Generation of Spatially Varying Polarization

[May 31, 2019]
One of the most attractive capabilities of VirtualLab Fusion is the fully vectorial simulation of multidisciplinary optical systems.
[May 31, 2019]

One of the most attractive capabilities of VirtualLab Fusion is the fully vectorial simulation of multidisciplinary optical systems. As an example, we take a Mach-Zehnder interferometer, which consists of beam splitters, mirrors and lenses, as the basic setup; insert polarizers in both arms of the interferometer and, by rotating the polarizer(s), we generate spatially varying polarization states. And since we are talking about polarizers, we would also like to mention that VirtualLab Fusion provides a non-paraxial model thereof which goes beyond the Jones matrix approach.

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EOS Diffractive Optics 2019 – Invited Speakers & Guest of Honor

[May 26, 2019]
Submit your paper now for the Topical Meeting on Diffractive Optics 2019 in Jena. Submission Deadline is 31 May 2019. Guest of Honor and Plenary Speaker will be Bernard Kress (Microsoft).
[May 26, 2019]

Jena, Germany | 16 – 19 September

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Focal Region and Fiber Coupling Tolerance

[May 17, 2019]
In VirtualLab Fusion, the electromagnetic field information can be calculated on arbitrary plane of interest, as well as within a longitudinal region e.g. the focal region.
[May 17, 2019]

Detailed analysis and design of an optical system for coupling light into a single-mode fiber rely on the accurate calculation of the field in the focal region. In VirtualLab Fusion, the electromagnetic field information can be calculated on an arbitrary plane of interest, as well as within a longitudinal region, e.g. the focal region. This forms a solid basis for the subsequent calculation of fiber coupling efficiency. The flexible focal region analysis further enables tolerance analysis for such coupling systems with respect to misalignment of the optical components.

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