Showing 1 - 20 results of 536 for search 'detection diffraction', query time: 0.08s Refine Results
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    Implementation of Large Field-of-View Detection for UWOC Systems Based on a Diffractive Deep Neural Network by Jianmin Xiong, Jingxuan Cheng, Huan Deng, Yan Hua, Yufan Zhang, Zihao Du, Lyufang Zhao, Ning Deng, Wenqiang Li, Zejun Zhang, Jing Xu

    Published 2023-01-01
    “…The link alignment in underwater wireless optical communication (UWOC) systems is a knotty problem. The diffractive deep neural network (D<sup>2</sup>NN) has shown great potential in accomplishing tasks all optically these years. …”
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    Control of the formation and detection of on-axis and off-axis diffraction orders with two-level phase quantization of a vortex lens by O.A. Dyukareva, A.V. Ustinov, S.N. Khonina

    Published 2025-02-01
    “…The paper investigates the performance of a tilted vortex phase lens, quantized at a given level and allowing the generation of specified local maxima both on the optical axis and off it. A possibility of detecting individual diffraction orders and their combination is demonstrated. …”
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    Three-dimensional diffractive acoustic tomography by Luca Menozzi, Tri Vu, Aidan J. Canning, Harshal Rawtani, Carlos Taboada, Marie Elise Abi Antoun, Chenshuo Ma, Jesse Delia, Van Tu Nguyen, Soon-Woo Cho, Jianing Chen, Theresa Charity, Yirui Xu, Phuong Tran, Jun Xia, Gregory M. Palmer, Tuan Vo-Dinh, Liping Feng, Junjie Yao

    Published 2025-01-01
    “…Here, we present three-dimensional diffractive acoustic tomography (3D-DAT), which uses an off-the-shelf linear-array transducer with single-slit acoustic diffraction. …”
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    Article
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    Knife-edge diffraction of scalar and vector vortex light by Richard Aguiar Maduro, Amanda Kronhardt Fritsch, Sonja Franke-Arnold

    Published 2025-06-01
    “…Knife-edge diffraction provides not only an instructive illustration of various properties of phase and polarization vortices but can also serve as an ideal method for the quick determination of optical OAM, with potential applications beyond optics, where alternative detection measurement methods may be harder to realize.…”
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    Electrically Tunable Diffraction Grating Based on Liquid Crystals by Chuen-Lin Tien, Rong-Ji Lin, Shu-Hui Su, Chi-Ting Horng

    Published 2018-01-01
    “…He-Ne laser was used as the probe beam to detect the zeroth-order (o) and first-order (+1) diffraction intensities. …”
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    Methods for Detecting Subvisible Particles in Medicines (Review) by S. I. Kuleshova, M. L. Goryunova, O. N. Vysochanskaya

    Published 2025-07-01
    “…The paper considers the most commonly used methods for determining the size of subvisible particles and particle size distribution. The laser diffraction method is used to determine the total number of particles in a sample and the particle size distribution of both the total volume of all particles and the total number of all particles. …”
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    Diffraction Characteristics of Small Fault ahead of tunnel face in coal roadway by Bo Wang, Shengdong Liu, Fubao Zhou, Jun Zhang, Fangkun Zheng

    Published 2017-04-01
    “…However, unlike surface seismic exploration, the diffraction is with approximately horizontal incidence when the advanced detection is carried out in the roadway. …”
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    Using Higher Diffraction Orders to Improve the Accuracy and Robustness of Overlay Measurements by Shaoyu Liu, Yan Tang, Xiaolong Cheng, Yuliang Long, Jinfeng Jiang, Yu He, Lixin Zhao

    Published 2025-03-01
    “…This paper introduces a method for improving the measurement performance of single wavelength overlay errors by incorporating higher diffraction orders. In this method, to enhance the accuracy and robustness of overlay error detection between layers, the measurement errors introduced by empirical formulas are corrected by incorporating higher diffraction orders, based on the differences in the light intensity difference curves for different diffraction orders. …”
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    Dichroic mirror pulses for optimized higher-order atomic Bragg diffraction by D. Pfeiffer, M. Dietrich, P. Schach, G. Birkl, E. Giese

    Published 2025-02-01
    “…It can be readily applied to existing setups capable of higher-order Bragg diffraction.…”
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    Mitigation of Diffraction Effect in GNSS Positioning Considering Azimuth and PDOP in Canyon Environment by Qingfeng Wu, Xiaoya Wang, Houxiang Zhou

    Published 2025-01-01
    “…Global navigation satellite system (GNSS) monitoring stations established in canyon environments inevitably face challenges such as multipath effects, diffracted signals, and non-line-of-sight (NLOS) reception due to obstructions. …”
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    X-ray diffraction and thermal studies on some food and cosmetic bentonite clays by O. I. Oranska, Yu. I. Gornikov

    Published 2019-02-01
    “…Associated minerals, such as kaolinite, calcite, quartz, mica, gypsum were detected in these clays as well. It has been found that the Ukrainian blue clay and Minerol, the foreign Ghassoul and Multani-mitti contain a significant amount of smectite group mineral and сan be used to modify them with various compounds to give desired properties to cosmetic compositions. …”
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    Encoding arbitrary phase profiles to 2D diffraction orders with controllable polarization states by Zhao Ruizhe, Li Xin, Geng Guangzhou, Li Xiaowei, Li Junjie, Wang Yongtian, Huang Lingling

    Published 2023-01-01
    “…The proposed method provides an effective way to tailor multiple properties of output diffraction orders. Meanwhile, it may promote the realization of achieving various functionalities parallelly such as spectral-polarization imaging or phase-polarization detection and enhance the capabilities of optical communication systems.…”
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    Piston Sensing for Sparse Aperture Systems via All-Optical Diffractive Neural Network by Xiafei Ma, Zongliang Xie, Haotong Ma, Ge Ren

    Published 2024-01-01
    “…This paper demonstrates that an optical diffractive neural network is capable of achieving light-speed piston sensing. …”
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    GPR Diffraction Separation by Incorporating Multilevel Wavelet Transform and Multiple Singular Spectrum Analysis by Haolin Wang, Honghua Wang, Zhiyang Hou, Fei Zhou

    Published 2025-03-01
    “…By leveraging amplitude differences between reflected and diffracted signals in Ground Penetrating Radar (GPR) data, multiple singular spectrum analysis (MSSA) is considered an attractive approach to separate diffraction, which has identified great potential in their detectability of small-scale geological structures. …”
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    Rapid detection of illegal selective androgen receptor modulators in unregistered supplements using a combination of selected solid-state analytical methods by Izabela Jendrzejewska, Lubos Cehlarik, Tomasz Goryczka, Ewa Pietrasik, Natalia Pawlik, Josef Jampilek

    Published 2025-06-01
    “…For customs officers and police officers, minimal or no sample preparation before analysis is essential when detecting prohibited compounds/counterfeit products, ideally using on-site analysis. …”
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    Taking three-dimensional x-ray diffraction (3DXRD) from the synchrotron to the laboratory scale by Seunghee Oh, Yuefeng Jin, Sangwon Lee, Wenxi Li, Ken Geauvreau, Matthew Williams, Robert Drake, Ashley Bucsek

    Published 2025-04-01
    “…Abstract Three-dimensional x-ray diffraction (3DXRD), a rotating x-ray diffraction technique, is a powerful tool for studying the micromechanical behavior of polycrystalline materials, capable of measuring the volume, position, orientation, and strain of thousands of grains simultaneously. …”
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