Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2024-05-09 14:25 |
Nagasaki |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
High-Power Analog RoF Transmission Using Hollow-Core Fibers Motoharu Matsuura (UEC) OFT2024-3 |
(To be available after the conference date) [more] |
OFT2024-3 pp.9-13 |
ED |
2023-12-08 09:25 |
Aichi |
WINC AICHI |
Development of Ka band High Power Helix TWT for Satellite Earth Station Daiki Matsumoto, Kahaku Kimura, Tetsuo Machida, Takatsugu Munehiro (NETS) ED2023-47 |
With the recent advancement of communication capacity and speed, in the field of satellite communications, large-capacit... [more] |
ED2023-47 pp.35-38 |
US |
2022-01-25 11:50 |
Online |
Online |
Topology optimization of large ultrasonic tools for uniform vibration output Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2021-60 |
Flat vibration of vibrating tools for ultrasonic bonding and other purposes is important for industrial applications but... [more] |
US2021-60 pp.11-16 |
US |
2022-01-25 16:50 |
Online |
Online |
[Invited Talk]
Admiring professor Jiromaru Tsujino Atsuyuki Suzuki (NIT, Tokuyama College) US2021-67 |
Professor Jiromaru Tsujino, who passed away on August 17, 2020, and was engaged in education and research activities at ... [more] |
US2021-67 pp.48-50 |
WPT, EE (Joint) |
2020-10-07 15:05 |
Online |
Online |
Measurement Method of High-Frequency-Voltage/Current Waveforms using Directional Coupler and its Calibration Takuma Nakae, Hiroshi Hirayama (NIT) WPT2020-22 |
This report proposes a measurement method of voltage/current waveform assuming applications of wireless power transfer(W... [more] |
WPT2020-22 pp.18-23 |
OFT |
2019-10-11 09:35 |
Niigata |
Ekimae-Office-Kashikaigishitsu (Niigata) |
Investigation into the influence of high-power transmission on fiber withdrawal of optical connector Chisato Fukai, Yoshiteru Abe, Masaaki Takaya, Ryo Koyama, Kazunori Katayama (NTT) OFT2019-32 |
In an optical connector manufactured by fixing silica fiber in a zirconia ferrule with an epoxy adhesive, a change in co... [more] |
OFT2019-32 pp.1-6 |
MW, AP (Joint) |
2019-09-20 14:35 |
Kanagawa |
JAXA (Sagamihara) |
[Invited Talk]
Onboard GaN high-power amplifier for 50-kg-class ultra-small deep-space probe "PROCYON" Yuta Kobayashi (JAXA), Satoshi Yoshida (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2019-61 |
Recently, a lot of nano- or micro-satellites have been developed and utilized for various low-earth-orbit missions. PROC... [more] |
MW2019-61 p.35 |
OCS, PN, NS (Joint) |
2019-06-21 10:20 |
Iwate |
MALIOS(Morioka) |
[Invited Lecture]
Power-Over-Fiber Technologies Using Double-Clad Fibers for Remote Antenna Units Motoharu Matsuura, Akira Yoneyama, Nana Tajima, Daisuke Kamiyama (Univ. of Electro-Commun.) PN2019-10 |
This paper reviews recent power-over-fiber technologies for optically powered remote antenna units in radio-over-fiber s... [more] |
PN2019-10 pp.19-22 |
OFT |
2019-05-16 16:00 |
Osaka |
I-site NANBA |
[Poster Presentation]
Evaluation of Frequency Response of Feed Systems for Controlling Supply Power via Power-over-Fiber Systems Hayato Nomoto, Daisuke Kamiyama, Nana Tajima, Takuya Okada, Motoharu Matsuura (The Univ. of Electro-Communications) OFT2019-15 |
In order to reduce the consumption power by controlling feed light in Radio-over-fiber (RoF) networks with Power-over-fi... [more] |
OFT2019-15 pp.65-68 |
WPT, AP (Joint) |
2019-01-18 14:00 |
Aichi |
Toyota Automobile Museum |
Series-Parallel Power Division and Combination for High-Power Rectifier Shinji Abe, Shogo Nishioka, Naoki Sakai, Takashi Ohira (Toyohashi Univ. Tech.) WPT2018-60 |
We investigate the characteristics of eight combinations of parallel/series RF power division, parallel/series DC power ... [more] |
WPT2018-60 pp.31-36 |
US |
2018-12-10 14:45 |
Tokyo |
|
Development of Burnishing Method by using High intensity Ultrasonic Pulse Sayuri Tarvainen, Yuji Watanabe (Takushoku Univ.) US2018-73 |
Burnishing is one of the mirror finishing method by using a smooth tool in order to polish work piece surface adding mod... [more] |
US2018-73 pp.15-20 |
SAT, WBS (Joint) |
2018-05-25 09:05 |
Kagoshima |
Kagoshima University |
A study of transmitter configuration for redundant base station systems Yoshinori Suzuk, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT) SAT2018-6 |
Base stations for Island satellite communication systems and Disaster recovery satellite communication systems are gener... [more] |
SAT2018-6 pp.25-30 |
SAT, SANE (Joint) |
2018-02-23 12:30 |
Yamaguchi |
The Yamaguchi Chamber of Commerce and Industry |
Highly available high power transmitter for satellite base station Yoshinori Suzuki, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT) SAT2017-66 |
Base stations for between remote island satellite communication systems and disaster recovery satellite communication sy... [more] |
SAT2017-66 pp.53-58 |
US |
2018-02-19 16:00 |
Tokyo |
|
Evaluation method of piezoelectric materials for high-power ultrasonic applications Susumu Miyake (UT), Takashi Kasashima, Masato Yamazaki, Yasuyuki Okimura (NTK), Hajime Nagata (TUS), Takeshi Morita (UT) US2017-118 |
High power properties of piezoelectric transducer were evaluated considering complex nonlinear elastic constants. The pi... [more] |
US2017-118 pp.37-42 |
WPT (2nd) |
2017-12-09 - 2017-12-11 |
Overseas |
National University of Singapore(AWPT2017) |
Multiple Connection of Rectifiers for High Power RF-to-DC Conversion Shogo Nishioka, Shinji Abe, Naoki Sakai, Takashi Ohira (TUT) |
In order to convert high-power RF into DC, it is theoretically expected that two or more rectifiers need to be employed ... [more] |
|
PN, NS, OCS (Joint) |
2017-06-15 16:55 |
Akita |
Akita Univ. |
[Invited Talk]
Power-Over-Fiber Technologies for Optically Powered Remote Antenna Units in Radio-Over-Fiber Systems Motoharu Matsuura (UEC) PN2017-10 |
This paper reviews recent power-over-fiber technologies for optically powered remote antenna units in radio-over-fiber s... [more] |
PN2017-10 pp.27-34 |
WBS, SAT (Joint) |
2017-05-25 13:00 |
Tochigi |
Utsunomiya Univ. Yoto Campus |
A study of power combine type base-station transmitter to improve performance degradation at unit SSPA failure Yoshinori Suzuki, Kouhei Suzaki, Katsuhiko Yamanaka, Fumihiro Yamashita, Naoki Kita (NTT) SAT2017-1 |
Base stations for between remote island satellite communication systems and disaster recovery satellite communication sy... [more] |
SAT2017-1 pp.1-6 |
MW, ED |
2017-01-27 11:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An X-band Low Loss/High Power SPST Switch Using GaN on Si Ryota Komaru, Masatake Hangai, Kazuhiko Nakahara, Hiroyuki Okazaki, Koji Yamanaka (Mitsubishi Electric) ED2016-106 MW2016-182 |
An X-band low loss and high power switch using GaN on Si has been developed. The high power switch utilized asymmetric c... [more] |
ED2016-106 MW2016-182 pp.53-56 |
MW, ED |
2017-01-27 14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
30W Output/60% PAE GaN Power Amplifier at X-band 8% Relative Bandwidth Utilizing 0.15um GaN HEMT Technology Yoshifumi Kawamura, Masatake Hangai, Tomohiro Mizutani, Kenichi Tomiyama, Koji Yamanaka (Mitsubishi Electric) ED2016-111 MW2016-187 |
In this paper, a 30W-class X-band high-efficiency Internally Matched FET (IMFET) implemented in a 0.15 um GaN HEMT proce... [more] |
ED2016-111 MW2016-187 pp.81-84 |
OFT |
2017-01-20 14:35 |
Tokyo |
Kikaishinko Kaikan |
Investigation into the influence of high power transmission on joints between different types of fibers Chisato Fukai, Ryo Koyama, Yoshiteru Abe, Mitsuru Kihara, Kazunori Katayama (NTT) OFT2016-38 |
Cutoff shifted fiber (CSF) is a low loss and low nonlinear fiber compared with other kinds of fibers. Therefore, it is e... [more] |
OFT2016-38 pp.15-20 |