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Paper Abstract and Keywords
Presentation 2019-07-18 10:25
A study on topology optimization of optical device by function expansion method without gray area
Masato Tomiyasu, Yasuhide Tsuji (Muroran Inst. of Tech.) EMT2019-21 MW2019-34 OPE2019-25 EST2019-23 MWP2019-21
Abstract (in Japanese) (See Japanese page) 
(in English) In order to develop high performance optical devices for realizing high speed and large capacity photonic network, studies on topology optimization of optical devices have been intensively conducted. In the topology optimization, it is necessary to be able to efficiently analyze device characteristics with high accuracy even for devices with high refractive index difference and complicated device geometry generated in the optimization iteration. In this research, we study on the topology optimization method in which finite element method (FEM) for wave propagation analysis and adjoint variable method (AVM) for sensitivity analysis are utilized. In this study, the function expansion method is employed to express device geometry, and in order to treat material boundary more accurately, we also studied about automatic finite element mesh generation, and sensitivity analysis without gray area.
Keyword (in Japanese) (See Japanese page) 
(in English) Topology optimization / function expansion method / adjoint variable method / finite element method / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 129, EST2019-23, pp. 91-95, July 2019.
Paper # EST2019-23 
Date of Issue 2019-07-11 (EMT, MW, OPE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMT2019-21 MW2019-34 OPE2019-25 EST2019-23 MWP2019-21

Conference Information
Conference Date 2019-07-18 - 2019-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hakodate City Central Library 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Light wave & Electromagnetic Wave Workshop 
Paper Information
Registration To EST 
Conference Code 2019-07-MW-EST-OPE-MWP-EMT-EMT-THz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on topology optimization of optical device by function expansion method without gray area 
Sub Title (in English)  
Keyword(1) Topology optimization  
Keyword(2) function expansion method  
Keyword(3) adjoint variable method  
Keyword(4) finite element method  
1st Author's Name Masato Tomiyasu  
1st Author's Affiliation Muroran Institute of Technology (Muroran Inst. of Tech.)
2nd Author's Name Yasuhide Tsuji  
2nd Author's Affiliation Muroran Institute of Technology (Muroran Inst. of Tech.)
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Date Time 2019-07-18 10:25:00 
Presentation Time 25 
Registration for EST 
Paper # IEICE-EMT2019-21,IEICE-MW2019-34,IEICE-OPE2019-25,IEICE-EST2019-23,IEICE-MWP2019-21 
Volume (vol) IEICE-119 
Number (no) no.126(EMT), no.127(MW), no.128(OPE), no.129(EST), no.130(MWP) 
Page pp.91-95 
#Pages IEICE-5 
Date of Issue IEICE-EMT-2019-07-11,IEICE-MW-2019-07-11,IEICE-OPE-2019-07-11,IEICE-EST-2019-07-11,IEICE-MWP-2019-07-11 

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