Here, we introduce NIR-II compressive fluorescence imaging (COFI), a high-speed, pixel-super-resolved compressive imaging technique that encodes dynamics into single frames using a
Spatial beam shaping based on the computer-generated hologram was displayed on a spatial light modulator. The principle, features, and useful techniques of the holographic femtosecond laser
This setup offers a new possibility of multiBessel beam generation by functional division of the Bessel beam generation by the axicon and the possibility of separation flexible beam splitting by a spatial
In this work, we present a simple spatial modulation mechanism to simultaneously achieve beam steering and splitting functionality for LHCP and
Orbital angular momentum of light 0:18 A focused vortex beam exhibiting orbital angular momentum via the helical wavefronts The orbital angular momentum of light (OAM) is the component of angular
Phase modulators are devices for manipulating the phase of a laser beam. They can work based on the Pockels effect, for example.
Shaping or splitting of a Gaussian beam is often desired to optimise laser–material interactions, improving throughput and quality. This can be
High-Speed Spatial Light Modulator: Custom-built spatial light modulator using a DMD development kit and the optics/light source from a DLP projector. Capable of illuminating at frame rates exceeding
Subsequently, the beam underwent splitting by a beam splitter, with the reflected light serving as a reference beam for interference experiments, and
In this chapter, the principle, features, and useful techniques of the spatial beam shaping based on a CGH on LCSLM will be described, and some experimental results using femtosecond laser pulses
Diffractive beam splitting using spatial light modulator and Iterative Fourier Transform Algorithm (IFTA) was extended by the presented method. The approach used machine learning
BS: beam splitter, SLM: spatial light modulator, CCD: charge-coupled device. The illustration in the lower right corner shows one of the (b) spiral-phase masks and (c) dual-lens phase
Liquid crystal on silicon phase-only spatial light modulators are widely used for the generation of multi-spot patterns. The phase distribution in the modulator plane, corresponding to the
(1) The beam is expanded and collimated by objective1 and lens1. (2) The collimated beam is converted into a horizontally polarized light by a half-wave plate and then illuminates the regions of
Beam steering / blazed gratings Field gradient and director distribution for a blaze grating, director is parallel to field gradient No overlapped amplitude modulation Director is orthogonal to field gradient.
Phase-only spatial light modulators are ideal for the generation of beam splitter profiles to parallelize a variety of laser processes. A novel approach for the calculation of phase holograms is proposed to
A simple and robust approach to laser beam splitting employing a spatial light modulator is presented. A weighted, one-dimensional Gerchberg
High accuracy beam splitting using spatial light modulator combined with machine learning algorithms Mikhaylov, D.; Zhou, B. 1; Kiedrowski, T.; Mikut, R. 1; Lasagni, A.-F.
However, we fully exploit this coherent interaction of light to precisely shape the output wavefront using spatial light modulator from the hologram projection module.
Abstract: simple and robust approach to laser beam splitting employing a spatial light modulator is presented. A weighted, one-dimensional Gerchberg-Saxton algorithm with a target intensity
It replaces conventional sinusoidal illumination with dynamically programmable digital masks generated by a spatial light modulator (SLM) and incorporates conjugate virtual digital masks
Here, the SLM modifies the beam intensity, but also spatially alters the phase profile, which may be undesirable. Correction is accomplished by using two spatial light modulators in series.
Combining spatial and temporal modulation in aluminium zinc oxide metamaterials allows the fission of beams with distinct angles and frequencies, paving the way for advanced optical devices...
An imaging based beam shaping technique combined with parallel beam processing has been demonstrated. Binary and intensity masks have been designed and applied on phase only
A spatial light modulator is used to flexibly shape and divide a femtosecond laser beam. The phase masks required for this task are generated by iterative algorithms like the well-known
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