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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 17 of 17  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-21
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
Antenna-Coupled Electrode Electro-Optic Modulator/Sensor for Simultaneous Receiving of Two Orthogonal Polarization Components for 5G Wireless Signals
Shunsuke Nakamori, Yui Otagaki (Mie Univ.), Masahiro Sato, Masatoshi Onizawa (SEIKOH GIKEN), Satoru Kurokawa (AIST), Hiroshi Murata (Mie Univ.) EMT2023-44 MW2023-62 OPE2023-44 EST2023-44 MWPTHz2023-40
The 28 GHz band used in the fifth-generation (5G) mobile communication system has a disadvantage of large propagation lo... [more] EMT2023-44 MW2023-62 OPE2023-44 EST2023-44 MWPTHz2023-40
Hiroshima National Institute of Technology,Kure college Antenna-coupled electrode electro-optic modulator for simultaneous receipt and discrimination of two orthogonal polarization components
Shunsuke Nakamori, Yui Otagaki (Mie Univ.), Masahiro Sato, Masatoshi Onizawa (SEIKOH GIKEN), Satoru Kurokawa (AIST), Hiroshi Murata (Mie Univ.)
Fifth-generation (5G) mobile communication systems will mainly use the 28 GHz band of millimeter waves. However millimet... [more]
- 2021-11-30
Hokkaido Hokkaido Univ. (Hybrid by remote)
(Primary: On-site, Secondary: Online)
28 GHz-Band Antenna-Coupled-Electrode Electro-Optic Modulator for Converting Two Orthogonal-Polarization Field Components Simultaneously for 5G Mobile Systems
Yui Otagaki, Shunsuke Nakamori, Hiroto Yokohashi (Mie Univ.), Sayaka Matsukawa, Satoru Kurokawa (AIST), Masahiro Sato, Masatoshi Onizawa (SEIKOH GIKEN), Hiroshi Murata (Mie Univ.)
Antenna-coupled-electrode electro-optic modulator has been developed to simultaneously receive and convert orthogonal po... [more]
(Joint) [detail]
Tokyo Kikai-Shinko-Kaikan Bldg. ESD evaluation using Optical E-Field Sensor/Optical Voltage Sensor
Ryuji Osawa (Seikoh Giken)
For the immunity test by ESD (Electro-Static Discharge),the test method is internationally specified in IEC61000-4-2. Ma... [more]
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] 2018-01-26
Hyogo   Current Status of International Standardization of Electric-field Measurement System Using Optical Electric-field Sensor
Michitaka Ameya, Satoru Kurokawa (AIST), Yoshikazu Toba (SEIKOH GIKEN), Yoshihiro Imajo, Koji Uematsu (Stack electronics)
EMCJ, IEE-EMC, IEE-MAG 2016-06-03
Overseas NTU, Taiwan A study on system characterization of an optical E-field probe
Takehiro Morioka, Satoru Kurokawa (AIST), Jun Ichijou, Yoshikazu Toba (SEIKOH GIKEN) EMCJ2016-38
 [more] EMCJ2016-38
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] 2016-01-29
Hyogo   Development of Antenna Radiation Monitor Using Electro-Optic Sensor
Yoji Kawai, Shinichi Hirata, Tomohiko Sugimoto (NHK), Yoshikazu Toba (SEIKOH GIKEN), Koichiro Imamura (NHK)
- 2015-11-28
Kyoto Doshisha Univ. [Poster Presentation] Optical E-field probe characterization in a TEM cell
Takehiro Morioka (AIST), Yoshikazu Toba, Jun Ichijo (SEIKOH GIKEN), Satoru Kurokawa (AIST)
A well-defined E-field is necessary for the characterization of the E-field probes. A transverse electromagnetic (TEM) c... [more]
Ishikawa Kanazawa Univ. Satellite-Plaza Antenna Property Measurement for EMI Broadband Antenna Using Simple Optical Fiber Link Modules
Satoru Kurokawa (AIST), Yoshikazu Toba (SEIKOH GIKEN), Masanobu Hirose, Michitaka Ameya (AIST)
To determine the antenna gain and antenna factor of broadband antennas for electromagnetic interference measurement, we ... [more]
AP, ITE-BCT 2012-02-10
Hiroshima NHK Hiroshima Considerations of Lumped Constant Type LN Optical Modulator operating at 10GHz Band
Satoshi Matsuo, Kazuhisa Haeiwa (Hiroshima City Univ.), Yoshikazu Toba (SEIKOH GIKEN Corp.), Takeshi Kamio, Hisato Fujisaka (Hiroshima City Univ.)
OPE, EMT, MW 2009-07-30
Hokkaido Asahikawa Civic Culture Hall [Invited Talk] Optical remote antenna system for digital terrestrial TV broadcasting
Yoshikazu Toba (SEIKOH GIKEN), Kazuhisa Haeiwa (Hiroshima City Univ) MW2009-39 OPE2009-39
Optical remote antenna system can be constructed using an optical modulator of Mach-Zehnder type, in which the intensity... [more] MW2009-39 OPE2009-39
OPE, EMT, MW 2008-07-24
Hokkaido   [Invited Talk] Radio wave transmitting system using an optical modulator
Yoshikazu Toba (SEIKOH GIKEN), Kazuhisa Haeiwa (Hiroshima City Univ.) MW2008-54 OPE2008-37
 [more] MW2008-54 OPE2008-37
EMD, R 2008-02-15
Kyoto   Reliability design and applications for the Non power supply type optical transmission unit
Yoshikazu Toba (Seikoh Giken), Kazuaki Wakai (ITEC) R2007-60 EMD2007-115
Non power supply type optical transmission unit can be avoided the lighting surge attack between the reception site and ... [more] R2007-60 EMD2007-115
RCS, SIP 2008-01-25
Hiroshima Hiroshima City Uni. Considerations of Optimum Electrode Structure for an LN Optical Modulator in the Microwave Band
Kyohei Ike, Kazuhisa Haeiwa, Takeshi Kamio, Hisato Fujisaka, Chang-Jun Ahn (Hiroshima City Univ.), Yoshikazu Toba (SEIKOH GIKEN) SIP2007-166 RCS2007-169
 [more] SIP2007-166 RCS2007-169
EMD, CPM, LQE, OPE 2006-08-24
Hokkaido Chitose Arcadia Plaza Durability of Optical Connectors with Scratched End-Face
Ryo Nagase (NTT), Masao Inoue (Hirose Electric), Junji Taira (Seikoh Giken), Masato Shiino (Furukawa Electric)
 [more] EMD2006-34 CPM2006-64 OPE2006-76 LQE2006-41
OFT 2006-03-03
Tokyo   Multimode Connector Loss Evaluation Utilizing an Equilibrium Mode
Masatoshi Kawase, Mitsuhiro Tateda (Chiba Univ.), Junji Taira (SEIKOH GIKEN), Kazuhiro Takizawa (Fujikura)
Multimode connector loss varies depending on the mode power distribution at the light input end of the test fiber. In ou... [more] OFT2005-88
Okinawa Hotel Moonbeach (Okinawa) Development of Photonic Switch Fabric for Optical Label Switch Router based on WAPS
Hironari Matsuda, Tadahiko Yasui (Toyama Pref. Univ.), Kouji Matsumoto (SEIKOH GIKEN), Hiroshi Watanabe (Nitto Tsushinki), Yoshiki Matsubara (NES)
 [more] PN2005-11
 Results 1 - 17 of 17  /   
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