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Numerical Displacement of Target Wavefront Formation Plane with DMD-Based Modulation and Geometric Phase Holographic Registration System
AbstractTechnologies of independent amplitude-phase modulation of the wavefront at the output plane of optical systems with spatial filtering are...
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Compensation of wavefront aberration using oppositional-breeding artificial fish swarm algorithm in free space optical communication
A communication system, where data is transmitted in the form of light using optical source like laser over the atmospheric channel, is called as a...
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Design and development of a prism–mirror module for single-shot phase retrieval of a microlens
In various phase retrieval methods, the phase is retrieved by measuring the intensity of propagating light waves at multiple planes by moving the...
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Partially Coherent Beam Focusing Based on Atmospheric Backscatter Signals
Abstract —The results are presented of atmospheric experiments on compensation for the artificially introduced initial aberrations of the wavefront of...
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Experimental research on phase diversity method for correcting vortex beam distortion wavefront
The orbital angular momentum (OAM) of the vortex beam has infinite dimension and are orthogonal to each other. OAM multiplexing technology is one of...
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Features of Femtosecond Laser Radiation Filamentation in Air under Aberration Focusing
AbstractResults of laboratory experiments on control of the filamentation domain of a focused femtosecond laser beam with a spatially structured...
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Quantitative phase imaging based on holography: trends and new perspectives
In 1948, Dennis Gabor proposed the concept of holography, providing a pioneering solution to a quantitative description of the optical wavefront....
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Survey of a Wide Area with NACO (SWAN): Cosmology Near the VLT’s Diffraction Limit
Extragalactic astronomy will benefit tremendously from the impressive sensitivity that will be reached by the next generation of extremely large...
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3D magnetic imaging using electron vortex beam microscopy
Electron vortex beams are free-electron waves that carry orbital angular momentum. There has been growing theoretical and experimental interest in...
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Calibration of AO Systems. Application to NAOS-CONICA and Future “Planet-Finder” Systems
An overview of calibrations required to reach ultimate performances of AO systems is presented. Both AO loop and non-common path aberration...
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Extreme focusing of hard X-ray free-electron laser pulses enables 7 nm focus width and 1022 W cm−2 intensity
By illuminating matter with bright and intense light, researchers gain insights into material composition and properties. In the regime of extremely...
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Image-contrast enhancement of wavefront coding systems by combining radially symmetrical phase and amplitude masks
AbstractThe quartic phase mask is a radially symmetrical phase mask which is commonly used to analyze imaging performance and to apply in many...
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End-to-end learning of 3D phase-only holograms for holographic display
Computer-generated holography (CGH) provides volumetric control of coherent wavefront and is fundamental to applications such as volumetric 3D...
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Computational imaging with randomness
Imaging is a longstanding research topic in optics and photonics and is an important tool for a wide range of scientific and engineering fields....
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Edge enhancement of phase objects through complex media by using transmission-matrix-based spiral phase contrast imaging
The wavefront sha** based technique has been introduced to detect the edges of amplitude objects through complex media, but the extraction of the...
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Enhance the delivery of light energy ultra-deep into turbid medium by controlling multiple scattering photons to travel in open channels
Multiple light scattering is considered as the major limitation for deep imaging and focusing in turbid media. In this paper, we present an...
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Multispectral incoherent holography based on measurement of differential wavefront curvature
We propose a technique of multispectral incoherent holography. The differential wavefront curvature is measured, and the principle of Fourier...
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Accelerating Multiframe Blind Deconvolution via Deep Learning
Ground-based solar-image restoration is a computationally expensive procedure that involves nonlinear optimization techniques. The presence of...
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Nonlinear helical dichroism in chiral and achiral molecules
Chiral interactions are prevalent in nature, driving a variety of biochemical processes. Discerning the two non-superimposable mirror images of a...
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