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检索条件"主题词=computation methods"
697 条 记 录,以下是171-180 订阅
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Wollaston prism-based structured illumination microscope with tunable frequency
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APPLIED OPTICS 2019年 第7期58卷 B1-B8页
作者: Doblas, Ana Bedoya, Sebastian Preza, Chrysanthe Univ Memphis Dept Elect & Comp Engn Memphis TN 38152 USA
This work proposes an alternative structured illumination (SI) system based on a Wollaston prism (WP) illuminated by the diffracted field of an incoherent linear source. The proposed WP-based SI system presents severa... 详细信息
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Training of photonic neural networks through in situ backpropagation and gradient measurement
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OPTICA 2018年 第7期5卷 864-871页
作者: Hughes, Tyler W. Minkov, Momchil Shi, Yu Fan, Shanhui Stanford Univ Dept Appl Phys Stanford CA 94305 USA Stanford Univ Ginzton Lab Stanford CA 94305 USA Stanford Univ Dept Elect Engn Stanford CA 94305 USA
Recently, integrated optics has gained interest as a hardware platform for implementing machine learning algorithms. Of particular interest are artificial neural networks, since matrix-vector multiplications, which ar... 详细信息
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Non-approximated Rayleigh-Sommerfeld diffraction integral: advantages and disadvantages in he propagation of complex wave fields
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APPLIED OPTICS 2019年 第34期58卷 G11-G18页
作者: Buitrago-Duque, Carlos Garcia-Sucerquia, Jorge Univ Nacl Colombia Sede Medellin Sch Phys AA 3840 Medellin 050034 Colombia
Advantages and disadvantages of the non-approximated numerical implementation of the Rayleigh-Sommerfeld diffraction integral (RSD) are revisited. In this work, it is shown that as trade-off for its large computation ... 详细信息
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Modeling of transmission characteristics in step-index polymer optical fiber using the matrix exponential method
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APPLIED OPTICS 2018年 第31期57卷 9203-9207页
作者: Stepniak, Grzegorz Siuzdak, Jerzy Warsaw Univ Technol Inst Telecommun Nowowiejska 15-19 PL-00665 Warsaw Poland
In this paper, we propose to calculate the impulse and frequency response of step-index polymer optical fiber in the presence of mode coupling using the matrix exponential method. The computation time in this method i... 详细信息
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Fault Detection Based on Multi-objective Observer and Interval Hull computation
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IFAC-PapersOnLine 2018年 第24期51卷 332-337页
作者: Tang, Wentao Wang, Zhenhua Shen, Yi Rodrigues, Mickael Theilliol, Didier School of Astronautics Harbin Institute of Technology Harbin150001 China Automatic and Process Control Laboratory University of Lyon LyonF-69003 France Centre de Recherche en Automatique de Nancy Université de Lorraine CNRS UMR 7039 Vandoeuvre-les-NancyF-54506 France
The design of a novel sensor fault detection scheme for discrete-time linear time-invariant systems with unknown but bounded uncertainties is proposed in the paper. To make the residual sensitive to fault and robust a... 详细信息
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A skew freeform reflector design method for prescribed off-axis irradiance
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RESULTS IN PHYSICS 2019年 13卷 102193-000页
作者: Su, Jian-Jia Tien, Chung-Hao Tsai, Yu-Lin Wu, Chin-Tien Natl Chiao Tung Univ Dept Photon Coll Elect & Comp Engn Hsinchu 30010 Taiwan Natl Space Org 8F 9 Prosper 1st RdHsinchu Sci Pk Hsinchu 30078 Taiwan Natl Chiao Tung Univ Dept Appl Math Hsinchu 30010 Taiwan
In this paper we proposed a new methodology for designing freeform reflectors tailored to redistribute the radiant flux emitted by a point light source onto a target plane with the prescribed irradiance pattern. Based... 详细信息
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A Mapping Algorithm Based on Particle Swarm Optimization for Minimizing Cost and Delay in Sliceable Fiber-Wireless Access Networks
A Mapping Algorithm Based on Particle Swarm Optimization for...
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Asia Communications and Photonics Conference and Exhibition (ACP)
作者: Sicong Ding Shan Yin Zhan Zhang Shanguo Huang State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and Telecommunications Beijing P. R. China
This paper proposes a heuristic algorithm based on particle swarm optimization for the slice mapping problem in sliceable fiber-wireless access networks. Simulation shows the algorithm maximizes comprehensive performa... 详细信息
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Design of Freeform Illumination Optics
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LASER & PHOTONICS REVIEWS 2018年 第7期12卷 1700310-1700310页
作者: Wu, Rengmao Feng, Zexin Zheng, Zhenrong Liang, Rongguang Benitez, Pablo Minano, Juan C. Duerr, Fabian Zhejiang Univ State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China Zhejiang Univ Coll Opt Sci & Engn Hangzhou 310027 Zhejiang Peoples R China Beijing Inst Technol Sch Opt & Photon Beijing Engn Res Ctr Mixed Real & Adv Display Beijing 100081 Peoples R China Univ Arizona Coll Opt Sci Tucson AZ 85721 USA Univ Politecn Madrid Cedint Campus Montegancedo Madrid 28223 Spain Flanders Make Pl Laan 2 B-1050 Brussels Belgium Vrije Univ Brussel Brussels Photon Dept Appl Phys & Photon Pl Laan 2 B-1050 Brussels Belgium
Freeform optics constitutes a new technology that is currently driving substantial changes in illumination design. It liberates designers and engineers from restrictions of optical surface geometry, enabling them to a... 详细信息
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Raman spectra and optical properties of the chalcogen-hyperdoped silicon: a first-principles study
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OPTICS EXPRESS 2018年 第18期26卷 A796-A805页
作者: Dong, Xiao Fang, Xiuxiu Wang, Yongyong Song, Xiaohui Henan Normal Univ Coll Phys & Mat Sci Xinxiang 953007 Peoples R China Henan Key Lab Photovolta Mat Xinxiang 453007 Peoples R China
The Raman peaks observed in the ultrafast-laser induced chalcogen-hyperdoped Si are assigned to different configurations of defects formed in crystal Si. The disappearance of the Raman peaks of the chalcogen-hyperdope... 详细信息
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Flow-mediated dilatation test using optoacoustic imaging: a proof-of-concept
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BIOMEDICAL OPTICS EXPRESS 2017年 第7期8卷 3395-3403页
作者: Karlas, Angelos Reber, Josefine Diot, Gael Bozhko, Dmitry Anastasopoulou, Maria Ibrahim, Tareq Schwaiger, Markus Hyafil, Fabien Ntziachristos, Vasilis HelmholtzZentrum Munchen Inst Biol & Med Imaging D-85764 Neuherberg Germany TUM Munich Sch Bioengn D-81675 Munich Germany Klinikum Rechts Der Isar Dept Cardiol Ismaningerstr 22 D-81675 Munich Germany Klinikum Rechts Der Isar Dept Nucl Med Ismaningerstr 22 D-81675 Munich Germany Univ Diderot Bichat Univ Hosp Dept Nucl Med Inserm 1148 Paris France
Label-free multispectral optoacoustic tomography (MSOT) has recently shown superior performance in visualizing the morphology of human vasculature, especially of smaller vessels, compared to ultrasonography. Herein, w... 详细信息
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