Results 1 to 10 of about 55,390 (274)

Introduction to the Special Issue on Structured Light Coherence

Photonics, 2021
Statistical optics, and optical coherence in particular, developed into a stand-alone branch of physical optics in the second half of the 20th century and has found a number of ground-breaking applications in astronomical measurements, medical ...
Olga Korotkova, Franco Gori
doaj   +1 more source

Evolution of Spatiotemporal Intensity of Partially Coherent Pulsed Beams with Spatial Cosine-Gaussian and Temporal Laguerre–Gaussian Correlations in Still, Pure Water

Photonics, 2021
A new family of partially coherent pulsed beams with spatial cosine-Gaussian and temporal Laguerre–Gaussian correlations, named spatial cosine-Gaussian and temporal Laguerre–Gaussian correlated Schell-model (SCTLGSM) pulsed beams, is introduced.
Chaoliang Ding, Olga Korotkova, Dmitri Horoshko, Zhiguo Zhao, Liuzhan Pan   +4 more
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Detecting cell death with optical coherence tomography and envelope statistics [PDF]

Journal of Biomedical Optics, 2011
<p>Currently no standard clinical or preclinical noninvasive method exists to monitor cell death based on morphological changes at the cellular level. In our past work we have demonstrated that quantitative high frequency ultrasound imaging can detect cell death in vitro and in vivo.
Golnaz, Farhat, Victor X D, Yang, Gregory J, Czarnota, Michael C, Kolios   +3 more
openaire   +2 more sources

At-wavelength characterization of X-ray wavefronts in Bragg diffraction from crystals

Journal of Synchrotron Radiation, 2023
The advent of next-generation synchrotron radiation sources and X-ray free-electron lasers calls for high-quality Bragg-diffraction crystal optics to preserve the X-ray beam coherence and wavefront.
Xianbo Shi, Zhi Qiao, Paresh Pradhan, Peifan Liu, Lahsen Assoufid, Kwang-Je Kim, Yuri Shvyd'ko   +6 more
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FOCUS: fast Monte Carlo approach to coherence of undulator sources

Journal of Synchrotron Radiation, 2023
FOCUS (Fast Monte CarlO approach to Coherence of Undulator Sources) is a new GPU-based simulation code to compute the transverse coherence of undulator radiation from ultra-relativistic electrons.
M. Siano, G. Geloni, B. Paroli, D. Butti, T. Lefèvre, S. Mazzoni, G. Trad, U. Iriso, A. A. Nosych, L. Torino, M. A. C. Potenza   +10 more
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Second-harmonic generation of temporally low-coherence light

APL Photonics, 2020
In this Letter, we study the second-harmonic (SH) generation of temporally low-coherence light using the statistical optics method. By introducing the statistical characteristics of low-coherence light into the nonlinear coupled wave equation, we predict
Xiaohui Zhao, Lailin Ji, Dong Liu, Yanqi Gao, Daxing Rao, Yong Cui, Wei Feng, Fujian Li, Haitao Shi, Chong Shan, WeiXin Ma, Zhan Sui   +11 more
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Scattering of radially polarized partially coherent vortex beams from a random medium with semi-hard boundary

Results in Physics, 2023
In this paper, scattering medium with a semi-hard boundary is extended to the case of a quasi-homogeneous random medium for the first time. Applying the first-order Born approximation, far-field distribution of radially polarized partially coherent ...
Jiayi Wang, Zhirong Liu
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Modeling for Partially Spatially Coherent Vortex Beams

IEEE Photonics Journal, 2017
We propose a method for modeling a wide class of partially spatially coherent vortex beams. It is shown that any member of such beams can be represented as an incoherent superposition of fully coherent vortex models weighted by a non-negative weighting ...
Zhangrong Mei
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Propagation of a Vector Cosine-Gaussian Correlated Beam Through an Active GRIN Medium

IEEE Photonics Journal, 2017
This paper presents a convenient approach that uses the tensor method to study the propagation of a nonuniformly correlated electromagnetic Cosine-Gaussian Schell-model (ECGSM) beam through an active gradient-index (GRIN) medium.
Zitan Wang, Jing Wang, Lingling Huang, Shijun Zhu, Zhenhua Li   +4 more
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Propagation Properties of the Rectangular Multi-Gaussian Schell-Model Beams in Uniaxial Crystals Orthogonal to the Optical Axis

IEEE Photonics Journal, 2017
A stochastic beam generated by a recently introduced source of Schell type with rectangular multi-Gaussian spectral degree of coherence is shown to posses interesting novel features on propagation in uniaxial crystals.
Yonghua Mao, Zhangrong Mei
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