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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 10 of 21 (0.047 seconds)| 1 |
Multi-Granular Optical Path Networking TechnologiesSato, Ken-ichi January 2007 (has links)
No description available.
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Effects of Optical Layer Protection Granularity in Survivable Hierarchical Optical Path NetworkSATO, Ken-ichi, HASEGAWA, Hiroshi, YAMADA, Yoshiyuki 09 1900 (has links)
No description available.
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Optical Technologies that Enable Green NetworksSato, Ken-ichi January 2011 (has links)
No description available.
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Simple Node Architectures for Connection of Two ROADM Rings Using Hierarchical Optical Path RoutingIshii, Kiyo, Hasegawa, Hiroshi, Sato, Ken-ichi 08 1900 (has links)
No description available.
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Evaluation of Network Parameter Dependencies of Hierarchical Optical Path Network Cost Considering Waveband ProtectionYamada, Yoshiyuki, Hasegawa, Hiroshi, Sato, Ken-ichi 10 1900 (has links)
No description available.
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Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/DropSato, Ken-ichi, Hasegawa, Hiroshi, Yamada, Yoshiyuki, Taniguchi, Yuki 06 1900 (has links)
No description available.
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Prospects and Challenges of Multi-Layer Optical NetworksHASEGAWA, Hiroshi, SATO, Ken-ichi 01 August 2007 (has links)
No description available.
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An Efficient Hierarchical Optical Path Network Design Algorithm based on a Traffic Demand Expression in a Cartesian Product SpaceYagyu, Isao, Hasegawa, Hiroshi, Sato, Ken-ichi 08 1900 (has links)
No description available.
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Hierarchical Optical Path Network Design Algorithm Considering Waveband Add/Drop Ratio ConstraintLe, Hai Chau, Hasegawa, Hiroshi, Sato, Ken-ichi 10 1900 (has links)
No description available.
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Electroluminescence of Layer Thickness, Carbon Nano-particle Dopants, and Percolation Threshold Electric Conductivity of Fully Conjugated Rigid-rod PolymerChang, Chih-hao 02 July 2010 (has links)
Polymer light emitting diodes (PLED) were using a heterocyclic aromatic rigid-rod polymer poly-p-phenylene-benzobisoxazole (PBO) as an opto-electronically active layer; and poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonic acid) (PEDOT:PSS) as a hole transporting layer. Aluminum (Al) and indium tin oxide (ITO) were served as device cathode and anode, respectively. [6,6]-phenyl C61-butyric acid methyl ester (PC61BM) or derivatized multi-wall carbon nano-tube (MWCNT-C18), with great electron transporting ability, was doped into PBO to enhance the performance of PLED devices as well as the thin-film electrical conductivity.
The optical length was changed by using different spin coating speeds and durations. From the research, the £fmax of electroluminescence (EL) was blue-shifted as PEDOT:PSS spin coating speed increased for a thinner layer. Once using a higher spin coating speed repeatedly to coat PEDOT:PSS, the £fmax of electroluminescence was red-shifted. If the PEDOT:PSS film thicknesses were similar, the EL spectra were almost the same, independent of device processing scheme.
The injection current and EL intensity were enhanced by doping PC61BM or MWCNT- C18. The electric conductivity parallel to film surface (£m¡ü) was increased as the doping concentration increased. Because of the extremely different aspect ratio, the MWCNT-C18 had a lower percolation threshold concentration. Therefore, at a low MWCNT-C18 doping concentration, the injection current and the EL intensity were enhanced compared with those of PC61BM.
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