Display system

J Christmas, N Collings - US Patent 10,859,821, 2020 - Google Patents
A display system includes a data provider, a spatial light modulator and a second cylindrical
lens. The data provider is arranged to provide holographic data comprising first data …

Anamorphic fractional Fourier transform: optical implementation and applications

D Mendlovic, Y Bitran, RG Dorsch, C Ferreira… - Applied Optics, 1995 - opg.optica.org
An additional degree of freedom is introduced to fractional-Fourier-transform systems by use
of anamorphic optics. A different fractional Fourier order along the orthogonal principal …

Real-time 3D stabilization of a super-resolution microscope using an electrically tunable lens

R Tafteh, L Abraham, D Seo, HY Lu, MR Gold… - Optics …, 2016 - opg.optica.org
Single-molecule localization microscopy (SMLM) has become an essential tool for
examining a wide variety of biological structures and processes. However, the relatively long …

Superresolved imaging based on wavelength multiplexing of projected unknown speckle patterns

O Wagner, A Schwarz, A Shemer, C Ferreira… - Applied Optics, 2015 - opg.optica.org
We propose a method for resolution enhancement of a diffraction limited optical system
based on the capture of a set of low resolution images. These images are obtained after …

Anamorphic optical systems using programmable spatial light modulators

JA Davis, HM Schley-Seebold, DM Cottrell - Applied optics, 1992 - opg.optica.org
Anamorphic optical systems using programmable spatial light modulators clickable element to
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Shift and scale-invariant anamorphic Fourier correlator using multiple circular harmonic filters

T Szoplik, HH Arsenault - Applied optics, 1985 - opg.optica.org
A position and scale-invariant method of pattern recognition using an anamorphic Fourier
correlator is presented. A modified matched filtering technique is used to obtain scale …

Anamorphic fractional Fourier transforms graded index lens designed using transformation optics

X Yang, J Hu - Optics express, 2018 - opg.optica.org
An anamorphic fractional Fourier transform (AFrFT) lens based on graded index (GRIN)
materials and designed with the help of transformation optics is proposed. Cross sections of …

Rotation-variant optical data processing using the 2-D nonsymmetric Fourier transform

T Szoplik, HH Arsenault - Applied optics, 1985 - opg.optica.org
In this paper, we consider the properties of the nonsymmetrical Fourier transformation which
is space-variant in both rectangular and polar coordinates. A coherent optical processor …

Ray matrix analysis of anamorphic fractional Fourier systems

I Moreno, C Ferreira… - Journal of Optics A: Pure …, 2006 - iopscience.iop.org
In this work we extend the application of the ray matrix approach to analyse anamorphic
fractional Fourier systems, ie, fractional Fourier optical systems where the fractional power is …

Fraunhofer diffraction patterns from apertures illuminated with nonparallel light in nonsymmetrical Fourier transformers

P Andres, C Ferreira, E Bonet - Applied optics, 1985 - opg.optica.org
In a recent paper, a 2-D axially nonsymmetrical Fourier transforming with an anamorphic
system was presented. This work extends its performances with the use of spherical …