Dynamic parameters identification for sliding joints of surface grinder based on deep neural network modeling

W Zhang, X Liu, Z Huang, J Zhu - Advances in Mechanical …, 2021 - journals.sagepub.com
Dynamic parameters of joints are indispensable factors affecting performance of machine
tools. In order to obtain the stiffness and damping of sliding joints between the working …

[HTML][HTML] Research advances of partially coherent beams with novel coherence structures: engineering and applications

L Yonglei, D Zhen, C Yahong… - Opto-Electronic …, 2022 - oejournal.org
Structured light has rich adjustable spatial degrees of freedom, including amplitude, phase,
polarization, degree of coherence, etc. The modulation of these degrees of freedom has …

Light propagation in a turbulent ocean

O Korotkova - Progress in Optics, 2019 - Elsevier
In addition to molecular absorption and scattering from organic and non-organic matter, light
waves propagating through oceanic waters may be affected by optical turbulence, ie …

Experimental synthesis of higher-order Poincaré sphere beam array with spatial coherence engineering

Y Liu, Z Dong, F Wang, Y Cai, Y Chen - Applied Physics Letters, 2023 - pubs.aip.org
We propose a compact method to experimentally synthesize a class of vector beam arrays
with periodic higher-order Poincaré sphere (HOPS) polarization states by engineering the …

Generation of a single attosecond pulse by gaseous atoms in a conical plasmonic nanostructure using a radially polarized laser beam

F Salmeh, M Mohebbi - Optics & Laser Technology, 2024 - Elsevier
We propose a new theoretical method of producing a single attosecond pulse by high-order
harmonic generation in hydrogen gaseous atoms above the conical plasmonic …

Overcoming the classical Rayleigh diffraction limit by controlling two-point correlations of partially coherent light sources

C Liang, G Wu, F Wang, W Li, Y Cai… - Optics …, 2017 - opg.optica.org
In classical optical imaging, the Rayleigh diffraction limit dR is defined as the minimum
resolvable separation between two points under incoherent light illumination. In this paper …

Experimental synthesis of random light sources with circular coherence by digital micro-mirror device

X Zhu, J Yu, Y Chen, F Wang, O Korotkova… - Applied Physics …, 2020 - pubs.aip.org
We introduce an optical system for the nearly real-time generation of a wide class of partially
coherent sources (PCSs) having non-Schell-model circular coherence. The system is …

Robust high-order polarization arrays via vectorial spatial-coherence engineering

B Yuan, Z Dong, Y Liu, F Wang, Y Cai, Y Chen - Physical Review Applied, 2023 - APS
Beam arrays with structured polarization states offer distinct advantages over single-
structured beams in various applications. In this work, we propose an alternative way to …

Experimental synthesis of partially coherent sources

R Wang, S Zhu, Y Chen, H Huang, Z Li, Y Cai - Optics Letters, 2020 - opg.optica.org
A flexible pseudo-mode sampling superposition method for synthesizing partially coherent
sources has been introduced that can be thought of as an approximate discrete …

Twisted partially coherent array sources and their transmission in anisotropic turbulence

J Wang, H Huang, Y Chen, H Wang, S Zhu, Z Li… - Optics …, 2018 - opg.optica.org
A new class of twisted Schell-model array correlated sources are introduced based on
Mercer's expansion. It turns out that such sources can be expressed as superposition of fully …