Three-dimensional thermal modeling and analysis of near-field rewritable phase-change optical disks

1999 ◽  
Author(s):  
L. P. Shi ◽  
Z. J. Liu ◽  
J. C. Lee ◽  
Tow Chong Chong ◽  
Jia J. Ho
Keyword(s):  
Phase Change ◽  
Near Field ◽  
Thermal Modeling ◽  
Three Dimensional ◽  
Modeling And Analysis ◽  
Optical Disks

Three-Dimensional Thermal Modelling and Analysis of Near-Field Phase Change Optical Disks

2000 ◽  
Vol 39 (Part 1, No. 2B) ◽  
pp. 952-956 ◽  
Author(s):  
Jia Jun Ho ◽  
Jek Chong Lee ◽  
Tow Chong Chong ◽  
Luping Shi
Keyword(s):  
Phase Change ◽  
Near Field ◽  
Three Dimensional ◽  
Thermal Modelling ◽  
Field Phase ◽  
Optical Disks

Three‐dimensional analysis of overwritable phase‐change optical disks

1990 ◽  
Vol 67 (6) ◽  
pp. 2731-2735 ◽  
Author(s):  
Hiroyuki Minemura ◽  
Hisashi Andoh ◽  
Nobuyoshi Tsuboi ◽  
Yoshihito Maeda ◽  
Yoshio Sato
Keyword(s):  
Phase Change ◽  
Dimensional Analysis ◽  
Three Dimensional ◽  
Optical Disks

Immersion microscope for static testing of near-field phase-change optical disks

1999 ◽  
Author(s):  
Kenric P. Nelson ◽  
Jayant D. Bhawalkar ◽  
Timothy J. Frey ◽  
John M. Guerra ◽  
Orlando Lopez ◽  
...  
Keyword(s):  
Phase Change ◽  
Near Field ◽  
Field Phase ◽  
Static Testing ◽  
Optical Disks

scholarly journals Numerical Analysis of Ridged-Circular Nanoaperture for Near-Field Optical Disk

ISRN Optics ◽  
2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Toshiaki Kitamura
Keyword(s):  
Phase Change ◽  
Time Domain ◽  
Finite Difference Time Domain ◽  
Near Field ◽  
Fdtd Method ◽  
Three Dimensional ◽  
Free Electrons ◽  
Metallic Material ◽  
Motion Equations ◽  
Difference Time

A ridged-circular nanoaperture is investigated through three-dimensional (finite-difference time-domain) FDTD method. The motion equations of free electrons are inserted to analyze a metallic material. The electromagnetic field distributions of optical near-field around the aperture are investigated. The phase change disk illuminated by a near-field optical light through a ridged-circular nanoaperture is also analyzed. The far-field scattering patterns from the phase change disk and the crosstalk characteristics between plural marks are studied.

SEISMIC VULNERABILITY ASSESSMENT FOR SAN FRANCISCO TEMPLE IN MORELIA, MEXICO

2019 ◽  
Vol 3 (Special Issue on First SACEE'19) ◽  
pp. 207-2016
Author(s):  
Guillermo Martinez ◽  
David Castillo ◽  
José Jara ◽  
Bertha Olmos
Keyword(s):  
San Francisco ◽  
Seismic Vulnerability ◽  
Seismic Analysis ◽  
Three Dimensional ◽  
Middle Part ◽  
Seismic Demands ◽  
Modeling And Analysis ◽  
Seismic Records ◽  
Cracking Pattern ◽  
The Temple

This paper presents a first approximation of the seismic vulnerability of a sixteenth century building which is part of the historical center of Morelia, Mexico. The city was declared World Heritage by United Nations Educational, Scientific and Cultural Organization in 1991. The modeling and analysis of the building was carried out using a three-dimensional elastic tetrahedral finite elements model which was subjected to probabilistic seismic demands with recurrences of 500 yrs and 1000 yrs in addition to real seismic records. The model was able to correctly identify cracking pattern in different parts of the temple due to gravitational forces. High seismic vulnerability of the arched window and the walls of the middle part of the bell tower of the temple was indicated by the seismic analysis of the model.

scholarly journals Imaging of bi-anisotropic periodic structures from electromagnetic near-field data

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Dinh-Liem Nguyen ◽  
Trung Truong
Keyword(s):  
Inverse Scattering ◽  
Maxwell Equations ◽  
Field Data ◽  
Periodic Structures ◽  
Near Field ◽  
Scattering Problem ◽  
Three Dimensional ◽  
Inverse Scattering Problem ◽  
Factorization Method ◽  
Unique Determination

AbstractThis paper is concerned with the inverse scattering problem for the three-dimensional Maxwell equations in bi-anisotropic periodic structures. The inverse scattering problem aims to determine the shape of bi-anisotropic periodic scatterers from electromagnetic near-field data at a fixed frequency. The factorization method is studied as an analytical and numerical tool for solving the inverse problem. We provide a rigorous justification of the factorization method which results in the unique determination and a fast imaging algorithm for the periodic scatterer. Numerical examples for imaging three-dimensional periodic structures are presented to examine the efficiency of the method.

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