Amplitude apodizers encoded onto Fresnel lenses implemented on a phase-only spatial light modulator

A Marquez, C Iemmi, JC Escalera, J Campos… - Applied …, 2001 - opg.optica.org
We show that both a lens and a nonuniform amplitude transmission filter can be encoded
simultaneously onto a twisted nematic liquid-crystal spatial light modulator (SLM) working in …

The minimum Euclidean distance principle applied to improve the modulation diffraction efficiency in digitally controlled spatial light modulators

A Lizana, A Márquez, L Lobato, Y Rodange… - Optics …, 2010 - opg.optica.org
Digital addressing of the electrical signal in spatial light modulators, as it is the case in
present liquid crystal on silicon (LCoS) displays, may lead to temporal phase fluctuations in …

Two-dimensional polarization rotator using a twisted-nematic liquid-crystal display

I Moreno, JL Martínez, JA Davis - Applied optics, 2007 - opg.optica.org
We present a novel configuration for a twisted-nematic liquid-crystal display (TN-LCD) that
makes it operate as a controllable polarization rotator. We extend a previously reported …

Vortex beam generation and other advanced optics experiments reproduced with a twisted-nematic liquid-crystal display with limited phase modulation

A Cofré, P García-Martínez, A Vargas… - European Journal of …, 2016 - iopscience.iop.org
In this work we propose the use of twisted-nematic liquid-crystal spatial light modulators (TN-
LC-SLM) as a useful tool for training students in the manipulation of light beams with phase …

Unique measurement of the parameters of a twisted-nematic liquid-crystal display

H Kim, YH Lee - Applied optics, 2005 - opg.optica.org
The parameters of a twisted-nematic liquid-crystal display (TN-LCD) are measured with no
ambiguity when we measure the intensity transmittance of a system that simply consists of a …

Characterization, design, and optimization of a two-pass twisted nematic liquid crystal spatial light modulator system for arbitrary complex modulation

AJ Macfaden, TD Wilkinson - JOSA A, 2017 - opg.optica.org
Arbitrary two-dimensional complex modulation of an optical field is a powerful tool for
coherent optical systems. No single spatial light modulator (SLM) offers true arbitrary …

Hologram optimization for SLM-based reconstruction with regard to polarization effects

C Kohler, T Haist, X Schwab, W Osten - Optics Express, 2008 - opg.optica.org
We report on first results obtained with two modified hologram optimization algorithms.
These algorithms take into account the complex modulation characteristic of the spatial light …

Polarization router in radiative near-field based on dielectric nano-elliptical cylinders

QC Zeng, WL Hsu, CY Wang, YC Chen… - Materials Science in …, 2024 - Elsevier
We propose a metasurface-based polarization router constructed by nano-elliptical
cylinders. The router combines the functions of lens and blaze grating to sort harvest and …

A multifunctional metastructure with dual modulation based on gravity and graphene

Q Chen, SY Liao, JH Zou, HC Ma, HF Zhang - Optical Materials, 2024 - Elsevier
Tunable metastructur (MS) is popular for research today, but it is complex and difficult to
manipulate, so a novel solution has been proposed. In this paper, a MS based on …

Eigenanalysis of dichroic, birefringent, and degenerate polarization elements: a Jones-calculus study

SN Savenkov, OI Sydoruk, RS Muttiah - Applied optics, 2007 - opg.optica.org
A theoretical analysis of eigenpolarizations and eigenvalues pertaining to the Jones
matrices of dichroic, birefringent, and degenerate polarization elements is presented. The …