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Hongji Duan, Shuping Wang and Jiancheng Tao
Recent research shows that a directional quiet zone from near to far field can be created with a near-field microphone array. However, there is no systematic theoretical analysis of this error-sensing strategy. In this paper, an analytical model of the a...
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Andrea Frazzitta, Alberto Bacci, Arianna Carbone, Alessandro Cianchi, Alessandro Curcio, Illya Drebot, Massimo Ferrario, Vittoria Petrillo, Marcello Rossetti Conti, Sanae Samsam, Luca Serafini and Andrea Renato Rossi
X-ray production through betatron radiation emission from electron bunches is a valuable resource for several research fields. The EuAPS (EuPRAXIA Advanced Photon Sources) project, within the framework of EuPRAXIA, aims to provide 1?10 keV photons (X-ray...
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Xiaoji Li, Jiemei Huang and Leiming Sun
With the advancement of underwater communication technology, the traditional modulation dimension has been introduced, developed and utilized. In addition, orbital angular momentum (OAM) is utilized as the modulation dimension for optical underwater comm...
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Sonia Ponce de León and C. Guedes Soares
The influence of the Gulf Stream on the wind wave characteristics is investigated. Wave?current interaction inside the current field can result in significant inhomogeneities of the wave field that change the wave spectrum and wave statistics. This study...
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Andreas Sebastian Schmelt and Jens Twiefel
Herein, we present a novel approach to the spec-radiation method (a method of acoustical holography) for determining the sound distribution on a tilted particleboard by calculating a single plane and rotation in the frequency domain. The tilted particleb...
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Yuan Zheng, Dongyu Yang, Shiqing Qin and Yixin Zhang
High performance underwater wireless optical communication systems are the key to the construction of high quality underwater optical communication networks. However, seawater absorption and seawater turbulent diffraction should be the main factors limit...
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Ying Guan, Li-Xin Zhong, Chaoyang Qian and Rui-Pin Chen
The near-field characteristics of a radially-variant vector beam (RVVB) are analyzed by using the vectorial angular spectrum method. The non-paraxial RVVB can be decomposed into the propagating wave and the evanescent wave in near field. The coherent sup...
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Maxime Irene Dedo, Zikun Wang, Kai Guo, Yongxuan Sun, Fei Shen, Hongping Zhou, Jun Gao, Rui Sun, Zhizhong Ding and Zhongyi Guo
The transmission of the orbital angular momentum (OAM) beam has attracted a lot of attention in the field of free-space optical (FSO) communication. Usually, after transmitting in atmospheric turbulences, the helical phase-front of OAM beams will be seve...
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Mohamed Boutria, Abdoulaye Ndao and Fadi I. Baida
The aim of this paper is to present an analytical method to quantitatively address the influence of a focusing illumination on the optical response properties of a metasurface illuminated by a finite-size beam. Most theoretical and numerical studies are ...
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