Partially coherent light beam sha** via complex spatial coherence structure engineering

Y Chen, F Wang, Y Cai - Advances in Physics: X, 2022 - Taylor & Francis
The techniques of optical beam sha** have enabled progress in a broad range of
interdisciplinary science and engineering, owing to the unique properties and promising …

Research progress on manipulating spatial coherence structure of light beam and its applications

J Yu, X Zhu, F Wang, Y Chen, Y Cai - Progress in Quantum Electronics, 2023 - Elsevier
Optical coherence is a fundamental characteristic of light that plays a significant role in
understanding interference, propagation, light–matter interaction, and other fundamental …

Optical coherence encryption with structured random light

D Peng, Z Huang, Y Liu, Y Chen, F Wang… - PhotoniX, 2021 - Springer
Abstract Information encryption with optical technologies has become increasingly important
due to remarkable multidimensional capabilities of light fields. However, the optical …

Atmospheric turbulence strength distribution along a propagation path probed by longitudinally structured optical beams

H Zhou, X Su, Y Duan, H Song, K Zou, R Zhang… - Nature …, 2023 - nature.com
Atmospheric turbulence can cause critical problems in many applications. To effectively
avoid or mitigate turbulence, knowledge of turbulence strength at various distances could be …

Coherence entropy during propagation through complex media

X Lu, Z Wang, Q Zhan, Y Cai, C Zhao - Advanced Photonics, 2024 - spiedigitallibrary.org
The deformation, flicker, and drift of a light field owing to complex media such as a turbulent
atmosphere have limited its practical applications. Thus, research on invariants in randomly …

Propagation of partially coherent beam in turbulent atmosphere: a review (invited review)

F Wang, X Liu, Y Cai - Progress In Electromagnetics Research, 2015 - jpier.org
Partially coherent beam is preferred in many applications, such as free-space optical
communications, remote sensing, active laser radar systems, etc., due to its resistance to the …

Experimental synthesis of partially coherent beam with controllable twist phase and measuring its orbital angular momentum

H Wang, X Peng, H Zhang, L Liu, Y Chen, F Wang… - …, 2022 - degruyter.com
Twist phase is a nontrivial second-order phase that only exists in a partially coherent beam.
Such twist phase endows the partially coherent beam with orbital angular momentum (OAM) …

[HTML][HTML] Experimentally generating any desired partially coherent Schell-model source using phase-only control

MW Hyde, S Basu, DG Voelz, X **ao - Journal of Applied Physics, 2015 - pubs.aip.org
A technique is presented to produce any desired partially coherent Schell-model source
using a single phase-only liquid-crystal spatial light modulator (SLM). Existing methods use …

Scintillation properties of a partially coherent vector beam with vortex phase in turbulent atmosphere

J Yu, Y Huang, F Wang, X Liu, G Gbur, Y Cai - Optics express, 2019 - opg.optica.org
We undertake a computational and experimental study of an advanced class of structured
beams, partially coherent radially polarized vortex (PCRPV) beams, on propagation through …

Orbital angular momentum spectra of twisted Laguerre-Gaussian Schell-model beams propagating in weak-to-strong Kolmogorov atmospheric turbulence

H Wang, Z Yang, L Liu, Y Chen, F Wang, Y Cai - Optics Express, 2023 - opg.optica.org
The presence of atmospheric turbulence in a beam propagation path results in the spread of
orbital angular momentum (OAM) modes of laser beams, limiting the performance of free …