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Gergely Huszka

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Publications associées (13)

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Mems Shutter Based Variable Optical Attenuator Integrated With Large Core Multimode Rectangular Waveguides

Niels Quack, Hamed Sattari, Gergely Huszka, Anton Lagosh, Benedikt Guldimann

We present the concept and design, and we report on the experimental performance of a broadband Variable Optical Attenuator (VOA) for integration with large-core rectangular multimode waveguides. Operation of an individual 221 mu m x 111 mu m optical waveg ...

IEEE2021

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We present the concept and detailed design of a Smart Slit Assembly for next generation spectrometers, and we experimentally demonstrate operation of an individual 221 mu m x 111 mu m smart slit channel employing a MEMS actuated shutter to continuously mod ...

SPIE-INT SOC OPTICAL ENGINEERING2021

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Diamond is an exceptional material that has recently seen a remarkable increase in interest in academic research and engineering since high-quality substrates became commercially available and affordable. Exploiting the high refractive index, hardness, las ...

WALTER DE GRUYTER GMBH2021

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We report on the design, fabrication and optical performance of gain mirrors in single crystal diamond substrates for vertical external cavity surface emitting lasers (VECSELs). VECSELs have gained attention recently due to their potential for high emissio ...

2020

The present invention concerns an optical grating comprising a body defining a first external surface and a second external surface. The first external surface defines a periodic structure comprising a plurality of elongated protrusions and a plurality of ...

2020

Super-resolution optical imaging: A comparison

Martinus Gijs, Gergely Huszka

Overcoming the classical diffraction limit in optical microscopy is known to be achievable by a variety of far-field and near-field microscopy techniques. More recently, so-called micro-object-based optical super-resolution microscopy techniques have emerg ...

2019

Dielectric-sphere-based microsystem for optical super-resolution imaging

Gergely Huszka

Well-established imaging techniques proved that features below the diffraction limit can be observed optically using so-called super-resolution microscopies, which overcome Abbe's resolution limit. In traditional far-field microscopy, the introduction of f ...

EPFL2018

Turning a normal microscope into a super-resolution instrument using a scanning microlens array

Martinus Gijs, Gergely Huszka

We report dielectric microsphere array-based optical super-resolution microscopy. A dielectric microsphere that is placed on a sample is known to generate a virtual image with resolution better than the optical diffraction limit. However, a limitation of s ...

2018

In vivo imaging with microsphere-based super-resolution microscopy

Martinus Gijs, Gergely Huszka, Roger Philippe Krenger

Employing dielectric microspheres in a standard microscope setup is an alternative to image sub-diffraction features optically, however this method suffers from a limited field-of-view. Here, we show our microsphere-based optical super-resolution microscop ...

IEEE2018

Custom Adapter For Extended Field-Of-View Microsphere-Based Scanning Super-Resolution Microscopy

Martinus Gijs, Gergely Huszka

We present a dielectric microsphere-based super resolution optical microscope that can image a sample beyond the classical diffraction limit [1]. The super resolution imaging capability of a single microsphere normally is restricted to an area of similar t ...

IEEE2018