Toshitaka KOJIMA


Two-Dimensional FDTD Analysis of the Readout Characteristics of an Optical Near Field Disk
Shinya KAGAWA Yiwei HE Toshitaka KOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/01/01
Vol. E91-C  No. 1  pp. 48-55
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Optical Recording (or Optical Memory, Optical Storage)
Keyword: 
optical near fieldoptical recordingnanoaperturemetallic materialFDTD method
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Numerical Analysis of Detected Signal Characteristics from a Blue Laser Optical Disk Model with Random Rough Surfaces by FDTD Method
Toshitaka KOJIMA Takanori KAWAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/08/01
Vol. E90-C  No. 8  pp. 1599-1605
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress of High-Density Information Storage)
Category: 
Keyword: 
blue laser optical disklight-beam scatteringFDTD methodcrosstalkrandom rough surfaces
 Summary | Full Text:PDF

Three-Dimensional (FD)2TD Analysis of Light-Beam Diffraction from Phase-Change Optical Disks with Land/Groove Recording Structures
Toshitaka KOJIMA Hisashi HOTTA Yuji ASANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/09/01
Vol. E86-C  No. 9  pp. 1861-1867
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress of High-Density Disk Storage)
Category: 
Keyword: 
three-dimensional (FD)2TD methodphase-change otical diskland/groove recordingmetallic reflective layer
 Summary | Full Text:PDF

(FD)2TD Analysis of Light-Beam Scattering from MO Disks with Land/Groove Recording Structures
Toshitaka KOJIMA Toru SASAI Isao KOBAYASHI Yiwei HE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/10/01
Vol. E85-C  No. 10  pp. 1776-1783
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Information Storage Technology)
Category: 
Keyword: 
(FD)2TD methodmagneto-optical diskland/groove recording
 Summary | Full Text:PDF

Numerical Analysis of Light-Beam Diffraction from Magneto-Optical Disk Medium by FDTD Method
Isao KOBAYASHI Toshitaka KOJIMA Shin-ichiro FUKAI Yiwei HE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/09/01
Vol. E84-C  No. 9  pp. 1189-1196
Type of Manuscript:  Special Section PAPER (Special Issue on Selected Papers from the 5th Asian Symposium on Information Storage Technology)
Category: 
Keyword: 
FDTDMO disklight-beam diffraction3-D analysisMO medium
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Numerical Simulation of Electromagnetic Scattering from a Random Rough Surface Cylinder
Hiromi ARITA Toshitaka KOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/12/25
Vol. E83-C  No. 12  pp. 1855-1857
Type of Manuscript:  Special Section LETTER (Special Issue on Problems of Random Scattering and Electromagnetic Wave Sensing)
Category: Rough Surface Scattering
Keyword: 
electromagnetic scatteringnumerical simulationrough surface cylinder
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FDTD Analysis of Three-Dimensional Light-Beam Scattering from the Magneto-Optical Disk Structure
Yiwei HE Toshitaka KOJIMA Toru UNO Saburo ADACHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1881-1888
Type of Manuscript:  Special Section PAPER (Special Issue on Computational Electromagnetics)
Category: 
Keyword: 
FDTD methodmagneto-optical diskanisotropic medium
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Scattering of a H-Polarized Gaussian Beam by a Conducting Cylinder with an Irregular Surface
Toshitaka KOJIMA Seishi MATSUBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/04/25
Vol. E73-E  No. 4  pp. 454-456
Type of Manuscript:  Special Section LETTER (Special Issue on 1990 Spring National Convention IEICE)
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF