Results 11 to 20 of about 385,686 (292)

Partially coherent light beam shaping via complex spatial coherence structure engineering

open access: yesAdvances in Physics: X, 2022
The techniques of optical beam shaping have enabled progress in a broad range of interdisciplinary science and engineering, owing to the unique properties and promising applications of their created structured light.
Yahong Chen, Fei Wang, Yangjian Cai
doaj   +1 more source

Light field analysis for modeling and transmission characteristics of partially coherent light-emitting diodes

open access: yesFrontiers in Physics, 2023
When analyzing the transmission characteristics of LEDs for long-distance lighting and communication applications, the light field is commonly assumed to be fully incoherent. However, in reality, the LED light source emits partially coherent light with a
Zhifang Miao   +4 more
doaj   +1 more source

Topological protection of partially coherent light [PDF]

open access: yesPhotonics Research, 2022
Topological physics exploits concepts from geometry and topology to implement systems capable of guiding waves in an unprecedented fashion. These ideas have led to the development of photonic topological insulators, which are optical systems whose eigenspectral topology allows the creation of light states that propagate along the edge of the system ...
Konrad Tschernig   +4 more
openaire   +1 more source

Beam Properties of a Partially Coherent Beam Propagating Horizontally in Atmospheric Turbulence

open access: yesPhotonics, 2023
This study explored the impact of atmospheric turbulence on partially coherent light propagation. Atmospheric turbulence causes random modulation of the intensity and phase of light, resulting in a speckle pattern in the far field.
Zengyan Wu   +5 more
doaj   +1 more source

Holographic beam shaping of partially coherent light

open access: yesOptics Letters, 2022
We present an algorithmic approach for holographic shaping of partially coherent light, which is described by a mode expansion containing thousands of individual modes. Using gradient descent and algorithmic differentiation, our algorithm is able to find a set of axially separated phase patterns such that each mode undergoes an individually optimized ...
Nicolas Barré, Alexander Jesacher
openaire   +3 more sources

Research Progress on the Twisted Partially Coherent Beams

open access: yesNantong Daxue xuebao. Ziran kexue ban, 2020
Under the action of twist phase, partially coherent beams display their unique advantages in many applications fields, such as beam shaping, particle trapping, optical imaging, free-space communications, and so on.
WANG Haiyun; LIU Lin; CAI Yangjian
doaj   +1 more source

Image encryption using binary polarization states of light beam

open access: yesScientific Reports, 2023
Optical image/data encryption techniques are mostly based on the manipulation of spatial distributions of light's amplitude, phase, and polarization.
Allarakha Shikder, Naveen K. Nishchal
doaj   +1 more source

Measurement-based tailoring of Anderson localization of partially coherent light [PDF]

open access: yes, 2014
We put forward an experimental configuration to observe transverse Anderson localization of partially coherent light beams with a tunable degree of first-order coherence.
Peřina Jr., Jan   +2 more
core   +3 more sources

Propagation of partially coherent radiation using Wigner functions

open access: yesPhysical Review Accelerators and Beams, 2021
Undulator radiation from synchrotron light sources must be transported down a beam line from the source to the sample. A partially coherent photon beam may be represented in phase space using a Wigner function, and its transport may use some similar ...
Boaz Nash   +4 more
doaj   +1 more source

Partially coherent UV–VIS light generation in photonic crystal fiber using femtosecond pulses

open access: yesResults in Physics, 2021
Light generated in optical fibers due to various nonlinear processes often has a broad spectrum and is commonly considered as a potentially convenient source of seed for tunable wavelength laser systems and many other applications.
Miglė Kuliešaitė   +3 more
doaj   +1 more source

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