Ryo NAGASE


Design and Performance of Field Installable Optical Connector Realizing Physical Contact Connection without Fiber Endface Polishing
Yoshiteru ABE  Mitsuru KIHARA  Masaru KOBAYASHI  Shinsuke MATSUI  Shuichiro ASAKAWA  Ryo NAGASE  Shigeru TOMITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/09/01
Vol. E93-C  No. 9  pp. 1411-1415
Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices (Selected Papers from IS-EMD2009))
Category: 
Keyword: 
optical connectoroptical fiberphysical contact connectionfield installable connector
  Summary |  Full Text:PDF (885.6KB)

Optical Connector Technologies for Optical Access Networks
Kazuo HOGARI  Ryo NAGASE  Kazutoshi TAKAMIZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1172-1179
Type of Manuscript: Special Section PAPER (Special Section on Photonic Technologies for Access Networks)
Category: INVITED
Keyword: 
optical connectoroptical access networkoptical fiber communicationoptical connector standardizationconnector field assembly
  Summary |  Full Text:PDF (2.3MB)

Development of a Rapid Polishing Machine for On-Site Optical Connector Assemble
Shinsuke MATSUI  Shigehisa OHKI  Shuichi YANAGI  Ryo NAGASE  Masaru KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/08/01
Vol. E89-C  No. 8  pp. 1233-1237
Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electromechanical Devices (Selected Papers from IS-EMD2005))
Category: Optical Interconnection
Keyword: 
optical connectorpolishing machineon-site assembling
  Summary |  Full Text:PDF (945.9KB)

Rapid Assembly Technique for Optical Connector
Shuichi YANAGI  Masaru KOBAYASHI  Shigeru HOSONO  Ryo NAGASE  Shinsuke MATSUI  Shigehisa OHKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/08/01
Vol. E89-C  No. 8  pp. 1227-1232
Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electromechanical Devices (Selected Papers from IS-EMD2005))
Category: Optical Interconnection
Keyword: 
SC type fiber-optic connectorinstant adhesiveoptical connector assemblybuilt-in parts
  Summary |  Full Text:PDF (1MB)

Optical Characteristics and Reliability of 16-Fiber Fiber Physical Contact Connector with Zirconia Ceramic Micro-Hole Array
Yoshiteru ABE  Masaru KOBAYASHI  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/08/01
Vol. E88-C  No. 8  pp. 1546-1551
Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices--Selected Papers from International Session on Electro-Mechanical Devices 2004 (IS-EMD2004)--)
Category: Optical Interconnection
Keyword: 
optical connectoroptical fiberFPC connectorMU connector
  Summary |  Full Text:PDF (1.4MB)

Scalable Optical Fiber Wiring System for over 10,000-Fiber Shuffler
Yoshiteru ABE  Masaru KOBAYASHI  Mamoru HIRAYAMA  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/08/01
Vol. E88-C  No. 8  pp. 1755-1763
Type of Manuscript: PAPER
Category: Optoelectronics
Keyword: 
optical fiberoptical fiber sheetoptical fiber connectorphysical contact connectoroptical switchesplanar waveguides
  Summary |  Full Text:PDF (1.9MB)

16-Fiber Fiber Physical Contact Connector with MU Connector Coupling Mechanism, Compact Shutter and Fiber Clamping Structure
Yoshiteru ABE  Masaru KOBAYASHI  Shuichiro ASAKAWA  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/08/01
Vol. E87-C  No. 8  pp. 1307-1312
Type of Manuscript: Special Section PAPER (Special Section on IS-EMD2003--Recent Technical Trend of Electro-Mechanical Devices)
Category: Connector and Sliding Contacts
Keyword: 
optical connectoroptical fiberFPC connectorMU connector
  Summary |  Full Text:PDF (500.8KB)

Optical Characteristics and Reliability of Plastic Ferrules for MU-Type Simplified Receptacles
Yoshito SHUTO  Shunichi TOHNO  Shuichi YANAGI  Masayoshi OHNO  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/08/01
Vol. E87-C  No. 8  pp. 1302-1306
Type of Manuscript: Special Section PAPER (Special Section on IS-EMD2003--Recent Technical Trend of Electro-Mechanical Devices)
Category: Connector and Sliding Contacts
Keyword: 
optical connectorinjection moldingferruleliquid crystalline polymer
  Summary |  Full Text:PDF (720.4KB)

Technical Trends in Optical Fiber Connectors for Telecommunication Systems
Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/06/01
Vol. E86-C  No. 6  pp. 968-974
Type of Manuscript: Special Section PAPER (Special Issue on Recent Development of Electro-Mechanical Devices (IS-EMD 2002))
Category: Devices
Keyword: 
optical connectoroptical communication systemSC connectorMU connectorLC connectorMT connectorFMOB
  Summary |  Full Text:PDF (1.3MB)

Advanced Structure of MU-Type Fixed Optical Attenuator for High Density Optical Packaging
Shuichi YANAGI  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/06/01
Vol. E86-C  No. 6  pp. 975-978
Type of Manuscript: Special Section PAPER (Special Issue on Recent Development of Electro-Mechanical Devices (IS-EMD 2002))
Category: Devices
Keyword: 
MU connectorfixed optical attenuatorMUJ plug
  Summary |  Full Text:PDF (1.1MB)

Analysis of Fiber Endface Shape and Processing Conditions for a Fiber Physical Contact Connector
Yoshiteru ABE  Masaru KOBAYASHI  Shuichiro ASAKAWA  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/03/01
Vol. E86-C  No. 3  pp. 490-495
Type of Manuscript: PAPER
Category: Optoelectronics
Keyword: 
optical fiberoptical connectortaperingpolishingFPC connector
  Summary |  Full Text:PDF (1.1MB)

Design for MU-Type Single-Mode Miniature Optical Connector
Ryo NAGASE  Etsuji SUGITA  Shin-ichi IWANO  Kazunori KANAYAMA  Yasuhiro ANDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/03/20
Vol. E81-C  No. 3  pp. 408-415
Type of Manuscript: Special Section PAPER (Special Issue on Electromechanical Devices and their Surface Science)
Category: 
Keyword: 
optical connectorMU connectorminiaturization
  Summary |  Full Text:PDF (726.2KB)

A New Physical Contact Connection Method Using the Buckling Force of Optical Fiber
Masaru KOBAYASHI  Shin'ichi IWANO  Ryo NAGASE  Seiko MITACHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/02/20
Vol. E80-C  No. 2  pp. 334-339
Type of Manuscript: PAPER
Category: Components
Keyword: 
optical fiber connectorphysical contactinsertion lossreturn lossbuckling
  Summary |  Full Text:PDF (503.9KB)

Statistical Analysis on Connection Characteristics of Optical Fiber Connectors
Yasuhiro ANDO  Shin'ichi IWANO  Kazunori KANAYAMA  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/12/20
Vol. E77-C  No. 12  pp. 1970-1982
Type of Manuscript: PAPER
Category: Opto-Electronics
Keyword: 
probability theorystatisticsopticalconnectorinsertion lossreturn losssimulation
  Summary |  Full Text:PDF (1MB)

Characteristics and Static Fatigue Reliability of a Zirconia Alignment Sleeve for Optical Connectors
Kazunori KANAYAMA  Yasuhiro ANDO  Shin'ichi IWANO  Ryo NAGASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/10/20
Vol. E77-C  No. 10  pp. 1559-1566
Type of Manuscript: Special Section PAPER (Special Issue on Recent Electromechanical Devices)
Category: Connectors: Optical and Conventional
Keyword: 
zirconia alignment sleeveoptical connectorgauge retention forcestatic fatigueproof test
  Summary |  Full Text:PDF (632.8KB)

Photonic Inter-Module Connector Using 88 Optical Switches for Near-Future Electronic Switching Systems
Akira HIMENO  Ryo NAGASE  Toshio ITO  Kunikaru KATO  Masayuki OKUNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/02/20
Vol. E77-B  No. 2  pp. 155-162
Type of Manuscript: Special Section PAPER (Special Issue on Photonic Switching Technologies)
Category: 
Keyword: 
photonic switchingoptical switchoptical interconnectionwaveguidesoptical communication
  Summary |  Full Text:PDF (905.8KB)

Failure Probability of a Split Ceramic Alignment Sleeve in Optical Fiber Connector
Kazunori KANAYAMA  Etsuji SUGITA  Ryo NAGASE  Shin'ichi IWANO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/04/20
Vol. E72-E  No. 4  pp. 279-281
Type of Manuscript: Special Section LETTER (Special Issue on 1989 Spring National Convention IEICE)
Category: Optoelectronics
Keyword: 
  Summary |  Full Text:PDF (175KB)