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检索条件"主题词=computation methods"
697 条 记 录,以下是211-220 订阅
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Material point method for simulating nonequilibrium thermal transport in metals irradiated by ultrafast lasers
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 2017年 第11期34卷 2334-2342页
作者: Gan, Yong Lei, Chunxia Sun, Zheng Zhejiang Univ Fac Engn Hangzhou 310027 Zhejiang Peoples R China Beijing Inst Technol State Key Lab Explos Sci & Technol Beijing 100081 Peoples R China
A material point method (MPM) for the analysis of two-step heating of metals subjected to ultrafast laser irradiation is developed based on the weak formulation of the two-temperature model (TTM). The electron and lat... 详细信息
来源: 评论
Robust, efficient computational methods for axially symmetric optical aspheres
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OPTICS EXPRESS 2010年 第19期18卷 19700-19712页
作者: Forbes, G. W. QED Technol Inc Rochester NY 14627 USA
Whether in design or the various stages of fabrication and testing, an effective representation of an asphere's shape is critical. Some algorithms are given for implementing tailored polynomials that are ideally s... 详细信息
来源: 评论
Second harmonic scattering from small particles using Discrete Dipole Approximation
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OPTICS EXPRESS 2010年 第21期18卷 21603-21611页
作者: Balla, Naveen K. So, Peter T. C. Sheppard, Colin J. R. Natl Univ Singapore Computat & Syst Biol Program Singapore MIT Alliance Singapore 117576 Singapore Natl Univ Singapore Div Bioengn Singapore 117574 Singapore MIT Dept Biol Engn Cambridge MA 02139 USA MIT Dept Mech Engn Cambridge MA 02139 USA Natl Univ Singapore Dept Biol Sci Singapore 117543 Singapore
We extend a simple dipole approximation model to predict nonlinear scattering from small particles. This numerical method is known as Discrete Dipole Approximation (DDA) and has been extensively used to model linear s... 详细信息
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Monte Carlo approach for solving the radiative transfer equation over mountainous and heterogeneous areas
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APPLIED OPTICS 1999年 第36期38卷 7419-7430页
作者: Miesch, C Briottet, X Kerr, YH Cabot, F Off Natl Etud & Rech Aerosp Dept Opt Theor & Appl F-31400 Toulouse France Ctr Etud Spatiales Biosphere F-31400 Toulouse France Ctr Natl Etud Spatiales F-31400 Toulouse France
An algorithm based on the Monte Carlo method is developed to solve the radiative transfer equation in the reflective domain (0.4-4 mu m) of the solar spectrum over rugged terrain. This algorithm takes into account rel... 详细信息
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Comparison of Monte Carlo ray-tracing and photon-tracing methods for calculation of the impulse response on indoor wireless optical channels
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OPTICS EXPRESS 2011年 第3期19卷 1997-2005页
作者: Gonzalez, Oswaldo Rodriguez, Silvestre Perez-Jimenez, Rafael Mendoza, Beatriz R. Ayala, Alejandro Univ La Laguna Dept Fund & Expt Phys Elect & Syst San Cristobal la Laguna 38203 Tenerife Spain Univ Las Palmas Gran Canaria Dept Signals & Commun Gran Canaria 35017 Las Palmas Spain
We present a comparison between the modified Monte Carlo algorithm (MMCA) and a recently proposed ray-tracing algorithm named as photon-tracing algorithm. Both methods are compared exhaustively according to error anal... 详细信息
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Fractional finite Fourier transform
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 2004年 第7期21卷 1179-1185页
作者: Khare, K George, N Univ Rochester Inst Opt Rochester NY 14627 USA
We show that a fractional version of the finite Fourier transform may be defined by using prolate spheroidal wave functions of order zero. The transform is linear and additive in its index and asymptotically goes over... 详细信息
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Photoelastic coupling in gallium arsenide optomechanical disk resonators
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OPTICS EXPRESS 2014年 第12期22卷 14072-14086页
作者: Baker, Christopher Hease, William Dac-Trung Nguyen Andronico, Alessio Ducci, Sara Leo, Giuseppe Favero, Ivan Univ Paris Diderot Sorbonne Paris Cite Lab Mat & Phenomenes Quant CNRS UMR 7162 F-75013 Paris France
We analyze the magnitude of the radiation pressure and electrostrictive stresses exerted by light confined inside GaAs semiconductor WGM optomechanical disk resonators, through analytical and numerical means, and find... 详细信息
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Self-learning based Fourier ptychographic microscopy
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OPTICS EXPRESS 2015年 第14期23卷 18471-18486页
作者: Zhang, Yongbing Jiang, Weixin Tian, Lei Waller, Laura Dai, Qionghai Tsinghua Univ Grad Sch Shenzhen Shenzhen Key Lab Broadband Network & Multimedia Shenzhen 518055 Peoples R China Univ Calif Berkeley Dept Elect Engn & Comp Sci Berkeley CA 94709 USA Tsinghua Univ Dept Automat Beijing 100084 Peoples R China
Fourier Ptychographic Microscopy (FPM) is a newly proposed computational imaging method aimed at reconstructing a high-resolution wide-field image from a sequence of low-resolution images. These low-resolution images ... 详细信息
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Moire flat bands in strongly coupled atomic arrays
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OPTICAL MATERIALS EXPRESS 2023年 第7期13卷 2003-2019页
作者: Dams, D. Beutel, D. Garcia-Santiago, X. Rockstuhl, C. Alaee, R. Karlsruhe Inst Technol Inst Theoret Solid State Phys Wolfgang Gaede Str 1 D-76131 Karlsruhe Germany Karlsruhe Inst Technol Inst Nanotechnol Wolfgang Gaede Str 1 D-76131 Karlsruhe Germany
Moire effects arise from stacking periodic structures with a specific geometrical mismatch and promise unique possibilities. However, their full potential for photonic applications has yet to be explored. Here, we inv... 详细信息
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ITERATIVE SCHEME FOR COMPUTING EXACTLY THE TOTAL FIELD PROPAGATING IN DIELECTRIC STRUCTURES OF ARBITRARY SHAPE
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 1994年 第3期11卷 1073-1080页
作者: MARTIN, OJF DEREUX, A GIRARD, C FAC UNIV NOTRE DAME PAIX INST STUDIES INTERFACE SCIB-5000 NAMURBELGIUM UNIV FRANCHE COMTE CNRSUNITE 772PHYS MOLEC LABF-25030 BESANCONFRANCE
We present a new approach to the computation of an electrical field propagating in a dielectric structure. We use the Green's-function technique to compute an exact solution of the wave equation. No paraxial appro... 详细信息
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