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Article: Modeling of rough-surface effects in an optical turning mirror using the finite-difference time-domain method

TitleModeling of rough-surface effects in an optical turning mirror using the finite-difference time-domain method
Authors
Lee, Shing ManChew, Weng ChoMoghaddam, MahtaNasir, Muhammad AChuang, ShunLienHerrick, Robert WBalestra, Chester L
Issue Date1991
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=50
Citation
Journal Of Lightwave Technology, 1991, v. 9 n. 11, p. 1471-1480 How to Cite?
DOI: http://dx.doi.org/10.1109/50.97635
AbstractA finite-difference time-domain (FDTD) method is applied to calculate the forward-reflected and back-reflected powers of a guided mode from a rough turning mirror in a bent waveguide of a high-power laser array. By segmenting this large problem into a number of smaller problems, the simulation region can be shrunk to a small area containing only the details of the rough-surface mirror. By launching the incident wave judiciously, the computation time grows linearly with the length of the mirror. A farfield transformation of the calculated time-domain scattered field yields forward-reflected and back-reflected powers. The computer time needed to analyze this large turning-mirror system is reduced to about 3 min of CRAY time, compared to several hours for a brute-force approach using a full mesh.
Persistent Identifierhttp://hdl.handle.net/10722/182516
ISSN
0733-8724
2021 Impact Factor: 4.439
2020 SCImago Journal Rankings: 1.346
ISI Accession Number ID
WOS:A1991GL72800007

 

DC FieldValueLanguage
dc.contributor.authorLee, Shing Manen_US
dc.contributor.authorChew, Weng Choen_US
dc.contributor.authorMoghaddam, Mahtaen_US
dc.contributor.authorNasir, Muhammad Aen_US
dc.contributor.authorChuang, ShunLienen_US
dc.contributor.authorHerrick, Robert Wen_US
dc.contributor.authorBalestra, Chester Len_US
dc.date.accessioned2013-05-02T05:15:41Z-
dc.date.available2013-05-02T05:15:41Z-
dc.date.issued1991en_US
dc.identifier.citationJournal Of Lightwave Technology, 1991, v. 9 n. 11, p. 1471-1480en_US
dc.identifier.issn0733-8724en_US
dc.identifier.urihttp://hdl.handle.net/10722/182516-
dc.description.abstractA finite-difference time-domain (FDTD) method is applied to calculate the forward-reflected and back-reflected powers of a guided mode from a rough turning mirror in a bent waveguide of a high-power laser array. By segmenting this large problem into a number of smaller problems, the simulation region can be shrunk to a small area containing only the details of the rough-surface mirror. By launching the incident wave judiciously, the computation time grows linearly with the length of the mirror. A farfield transformation of the calculated time-domain scattered field yields forward-reflected and back-reflected powers. The computer time needed to analyze this large turning-mirror system is reduced to about 3 min of CRAY time, compared to several hours for a brute-force approach using a full mesh.en_US
dc.languageengen_US
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=50en_US
dc.relation.ispartofJournal of Lightwave Technologyen_US
dc.titleModeling of rough-surface effects in an optical turning mirror using the finite-difference time-domain methoden_US
dc.typeArticleen_US
dc.identifier.emailChew, Weng Cho: wcchew@hku.hken_US
dc.identifier.authorityChew, Weng Cho=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/50.97635en_US
dc.identifier.scopuseid_2-s2.0-0026260869en_US
dc.identifier.volume9en_US
dc.identifier.issue11en_US
dc.identifier.spage1471en_US
dc.identifier.epage1480en_US
dc.identifier.isiWOS:A1991GL72800007-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLee, Shing Man=36347001700en_US
dc.identifier.scopusauthoridChew, Weng Cho=36014436300en_US
dc.identifier.scopusauthoridMoghaddam, Mahta=7004934627en_US
dc.identifier.scopusauthoridNasir, Muhammad A=7006633136en_US
dc.identifier.scopusauthoridChuang, ShunLien=55413226700en_US
dc.identifier.scopusauthoridHerrick, Robert W=35498014400en_US
dc.identifier.scopusauthoridBalestra, Chester L=7004063915en_US
dc.identifier.issnl0733-8724-

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