Finished projects

All Optics Research Group projects.

Computational imaging for pattern detection and machine vision

Multichannel computational camera for AutoID applications ...

project

Computational imaging for pattern detection and machine vision

Influence of the mechanical Environment on Optical Fiber based Sensor

Understanding possible limitation of some fiber optic sensor technologies ...

project

Influence of the mechanical Environment on Optical Fiber based Sensor

Superresolution imaging with focused radially polarized beam

Focused radially polarized beam is used to image non-fluorescent specimens to enhance the spatial resolution of conventional confocal microscopes. ...

project

Superresolution imaging with focused radially polarized beam

ADOPSYS - Saddle point method for designing optical systems

We evaluate the effectiveness of saddle point method for the design of optical systems. ...

project

ADOPSYS - Saddle point method for designing optical systems

Spectr@phone

Development of a hand-held multi-functional multispectral imaging device ...

project - Development of a hand-held multi-functional multispectral imaging device

Spectr@phone

Liquid Lens Lab

Can we create a tunable asphere with a liquid lens? ...

project - Can we create a tunable asphere with a liquid lens?

Liquid Lens Lab

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 ...

project

Wavefront coding in barcode imaging system

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 ...

project

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 ...

project

Electromagnetic modeling of SLM

Characterization of nanostructures using optical far field techniques

Determination of side wall angle of nanostructures ...

project

Characterization of nanostructures using optical far field techniques

Optimization for complex optical system

Aberration retrieval and spatial coherence property measurement for imaging system ...

project

Optimization for complex optical system

Fast 3D imaging of defects in semiconductor devices

During the manufacture of semiconductor devices such as Mosfetts it is essential to inspect the device for cracks and other damage. It is required to obtain 3D images at NIR wavelength for ...

project

Fast 3D imaging of defects in semiconductor devices

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 ...

project

New methods and applications of Ptychography

CFS for reconstruction of printed nanostructures

Coherent Fourier Scatterometry (CFS)  involves a coherent source which is focused on the sample (in this project 1D silicon grating). After interacting with a sample, the reflected intensity in the pupil plane ...

project

CFS for reconstruction of printed nanostructures

Application of hyperbolic meta-materials

What is the ideal optical material for imaging? ...

project

Application of hyperbolic meta-materials