Projects

The Optics Research Group is coordinating two TTW Perspective Programmes, namely Linx and SYNOPTICS.

All Optics Research Group projects.

LINX

LINX is a NWO-TTW perspective programme with the aim to apply various lensless imaging techniques, from ptychography to scatterometry, while using wavelengths in the EUV and Soft X-Ray regime. This programme is ...

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LINX

SYNOPTICS

SYNOPTICS is a research programme running from 2020-2025 with the aim to use all properties of light (amplitude, phase, polarization and wavelength) to achieve ultimate performance in imaging and sensing in diverse ...

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SYNOPTICS

Wavefront coding in barcode imaging system

For simplicity, it is often assumed that the imaging system consists of a single thin lens. In the case of the barcode reader, the imaging system consists of several thick lenses and ...

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Wavefront coding in barcode imaging system

High performance single-photon detectors

Single-photon detection, what is the limit? ...

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High performance single-photon detectors

Phase Retrieval

The phase of a field is often more important than the amplitude. This is in particular true for focusing of light. To improve the quality of imaging it is often desirable to consider ...

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Phase Retrieval

Electromagnetic modeling of SLM

The spatial light modulator (SLM), especially liquid crystal on silicon (LCoS) type has multiple applications in optical systems, such as beam steering, beam shaping or computational holography. At the same time, there ...

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Electromagnetic modeling of SLM

Characterization of nanostructures using optical far field techniques

Determination of side wall angle of nanostructures ...

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Characterization of nanostructures using optical far field techniques

Detection for space

Research about detection for space. The team has been working with four research themes, which resulted in four projects. ...

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Detection for space

Graded Index optics

Recent progress in the making of media with a variable refractive index has the potential to change lens design significantly. With these new materials, curved light rays are used to make high-quality ...

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Graded Index optics

Nano-optics for Metrology

We use the concepts from nano-optics, mainly directional scattering to develop techniques that can be used in high precision metrology such as transverse displacement sensing. ...

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Nano-optics for Metrology

Far field nanoparticle detection

We investigate and optimize new techniques to detect nanostructures and nano-particles in semiconductor, and plastic-based fabrication technologies. The technique should be fast, operate in-line and applicable to large areas. Since the structures ...

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Far field nanoparticle detection

New methods and applications of Ptychography

Ptychography is a scanning Coherent Diffraction Imaging (CDI) method for reconstructing a complex valued object function from intensity measurements recorded in the Fraunhofer or Fresnel diffraction region. The technique provides a solution ...

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New methods and applications of Ptychography

The nonlinear optical research of gold nanospheres

This project focuses on the nonlinear optical effect of metal nanoparticles (gold nanospheres). It involves mainly two research areas: Nanophotonics and Nonlinear Optics. The subprojects contained two different research fields. One is ...

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The nonlinear optical research of gold nanospheres

Inverse electromagnetics for EUV mask metrology and inspection

Extreme ultra violet (EUV) lithography is at the high volume manufacturing threshold. It is therefore important to address relevant technical and technological challenges on its roadmap. One of the crucial concerns is ...

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Inverse electromagnetics for EUV mask metrology and inspection

Metamaterial and metasurface mechnism research and its application

In recent years, metasurfaces (MSs), as planar version of metamaterials, have demonstrated strong capabilities to control EM waves, generating many fascinating effects such as ultrathin lenses, planar holograms, photonic spin Hall effects ...

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Metamaterial and metasurface mechnism research and its application

Free Form Scattering Optics

The Free-Form Scattering Optics program is a joint initiative where three Universities of The Netherlands (TUDelft, University of Twente, TU Eindhoven) work together to enable high-tech optical devices that contribute to energy efficacy, climate ...

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Free Form Scattering Optics