arXiv:2005.01561v1 [physics.optics] 4 May 2020
mance of phase-only spatial light modula-tors. We introduce a comprehensive model that takes into account the major ones: curvature of the back panel, pixel crosstalk and the internal Fabry-Perot
Colors display with spatial light modulator based on sub-wavelength
In transmission metallic gratings, quasi-total transmission of light is achieved by two different mechanisms, which are the excitation of horizontal and vertical surface-plasmon resonances.
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Spatial light modulators are capable of splitting a single laser beam into multiple points, and optogenetics leverages this capability for targeted activation of multiple neurons.
10: Grating Light Modulators
If we use grating light modulators to manipulate broad band light (i.e. light that is not to a good approximation monochromatic), we must consider the variation of phase delay across the optical
arXiv:2005.01561v1 [physics.optics] 4 May 2020
Several spurious e ects are known to degrade the performance of phase-only spatial light modula-tors. We introduce a comprehensive model that takes into account the major ones: curvature of the back
Simple method to evaluate the pixel crosstalk caused by fringing field
Keywords: Liquid-crystals displays, Diffraction gratings, Phase modulation, Fringing Introduction Spatial light modulators (SLM) are opto-electronic micro-displays capable to modulate the amplitude, the
A MEMS grating modulator with a tunable sinusoidal
Here, we present a MEMS grating modulator with a notably extendable aperture and a high optical efficiency that benefits from the adoption
Grayscale-phase calibration of liquid crystal spatial light modulator
Liquid crystal spatial light modulators (LC-SLMs) are widely used in optics, and grayscale-phase calibration can effectively improve their modulation accuracy. The most commonly used
Spatial Light Modulator
Project Background - Four Wave Mixing (4WM) Four-Wave Mixing Setup Pump profile may change area of correlation Spatial Light Modulator (SLM) will change the spatial profile of the pump
Simple method to evaluate the pixel crosstalk caused by
The technique is demonstrated with a modern phase-only liquid-crystal on silicon (LCOS) spatial light modulator (SLM), illustrating the limitations that this effect imposes to the spatial
The fs-laser inscription of fiber Bragg gratings based on spatial light
We proposed a flexible approach for femtosecond laser based FBGs writing in optical fibers assisted by a spatial light modulator to set the position of focal point inside the fiber core. Uniform, phase-shifted,
Analysis of diffraction gratings displayed in spatial light modulators
In this work we analyze diffraction gratings displayed on a pixelated spatial light modulator (SLM) at its spatial resolution limit (Nyquist limit) i.e., with largest diffraction angle, where the binary phase profile
Spatial Phase Modulator Based on Optomechanically Deformable Gratings
Summary form only given. Spatial light modulators (SLMs) manipulate the polarization, amplitude and phase of incident light beams and are used in diverse applications as beam shaping
Analysis of black-grating-effect on the displacement measurement
In Ref. Janschek analyzed sources of errors, such as mechanical deformations of the optical system, noise, low percentage of current and reference images, geometrical distortions of the
Grayscale-phase calibration of liquid crystal spatial light modulator
In this paper, vortex-grating lateral-shearing interferometry is introduced into the grayscale-phase calibration, which can theoretically obtain the phase information of the full pixel on
Analysis of diffraction gratings displayed in spatial light modulators
Various methods for implementing triplicator diffraction gratings in a pixelated liquid-crystal display (LC-SLM) are discussed. The optimum design features a continuous phase profile.
Comparison between Hadamard and canonical bases for in-situ
In this work we compare the Canonical and Hadamard bases for in-situ wavefront correction of a focused Gaussian beam using a spatial light modulator (SLM). The beam is perturbed with a
Diffraction characteristics of orthogonal gratings
The diffraction characteristics of orthogonal gratings with variable duty cycles and phase modulation depths are analyzed by using a spatial light modulator. The
Spatial and spectral imaging of point-spread functions using a spatial
Abstract We develop a point-spread function (PSF) engineering approach to imaging the spatial and spectral information of molecular emissions using a spatial light modulator (SLM). We
Using a spatial light modulator (SLM) as a diffraction
This method utilizes a 2D grating for lattice projection and a spatial light modulator (SLM) for phase shifting.
Grating-Assisted Polarization-Insensitive Dual-Mode Spatial Light
To overcome the limitations, we propose a novel design of polarization-insensitive spatial light modulator that can operate in both transmission and reflection modes, i.e. in dual-mode condition.
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Analysis of black-grating-effect on the displacement
Eliminating pixelilation effect in electro-addressable spatial light modulator using beam shaping elements arrays Full-text available Article Jan 2003
Simple method to evaluate the pixel crosstalk caused by
In this work we provide a simple experimental method to measure and evaluate the pixel crosstalk in phase-only liquid-crystal displays caused by the fringing field effect.
Spatial Light Modulator
Blazed Grating - First Order Black pattern reflects light to central order, blazed pattern reflects light to first order Smooth image, not pixelated or speckled -- advantage over the original system, though it
A grating type dual-image-element demodulation method based on
A demodulation method based on liquid crystal spatial light modulator for space domain phase-shift-interferometry is proposed in this paper. In the method, the grating type with dual-image
Grating-Assisted Polarization-Insensitive Dual-Mode Spatial Light
Electro-tunable metamaterials opened new doors to realize spatial light modulation at nanoscale by engineering meta-atoms at sub-wavelength scale. In this study, we propose a novel
Diffraction efficiency of stepped gratings using high phase-modulation
We study the diffraction efficiency of linear phase (blazed) diffraction gratings displayed onto spatial light modulators (SLMs) that exhibit a large maximum phase modulation range M 2p,
