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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2021-05-14 15:10 |
Online | Online | Distributed strain measurement using stimulated Brillouin scattering pumped by orthogonal two-wavelength pulses Kenichiro Tsuji, Tomoyuki Uehara (NDA)  OFT2021-10 |
In the distributed strain measurement with a conventional BOTDA using stimulated Brillouin scattering, a polarization sc... [more] | OFT2021-10 pp.40-43 |
| PN | 2021-03-01 16:15 |
Online | Online | [Invited Talk]
High-performance distributed sensing based on Brillouin scattering in optical fibers Yosuke Mizuno (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech) PN2020-47 |
We review fiber-optic distributed Brillouin sensing technology, focusing on Brillouin optical correlation-domain reflect... [more] | PN2020-47 pp.30-37 |
| OPE, OCS, OFT (Joint) [detail] |
2021-02-19 13:00 |
Online | Online | [Invited Talk]
Displacement measurement based on fiber optic system Yosuke Tanaka (Tokyo Univ. of Agir. and Tech.) OFT2020-68 OPE2020-89 |
The optical systems including optical interferometers and intensity correlators play an important role in optical measur... [more] | OFT2020-68 OPE2020-89 pp.58-61(OFT), pp.63-66(OPE) |
| OFT, ITE-BCT, OCS, IEE-CMN [detail] | 2020-11-12 13:20 |
Online | Online | [Invited Talk]
Recent trends of slope-assisted BOCDR Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2020-37 |
Brillouin optical correlation-domain reflectometry (BOCDR) is one of the fiber-optic Brillouin-based distributed sensing... [more] | OFT2020-37 pp.1-6 |
| OFT | 2020-10-09 14:30 |
Online | Online | Interferometer based on photonic integrated circuit for optical frequency domain reflectometry Victor Shishkin, Akio Higo, Hideaki Murayama (UTokyo) OFT2020-34 |
We demonstrate an ultra-compact interferometer integrated on silicon photonic chip for distributed sensing using optical... [more] | OFT2020-34 pp.109-111 |
| OFT | 2020-10-09 15:20 |
Online | Online | Distributed measurement of polarization state using OCDR Kohei Noda (Tokyo Tech), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2020-36 |
Optical fiber sensors have been extensively studied owing to their advantages such as long-range measurement, light weig... [more] | OFT2020-36 pp.118-121 |
| NS, IN (Joint) |
2020-03-06 10:40 |
Okinawa | Royal Hotel Okinawa Zanpa-Misaki (Cancelled but technical report was issued) |
A study of wide-area distributed IoT network system Akira Tanaka (NIT, Tokyo College), Mitsuru Maruyama (KAIT), Shigeo Urushidani (NII) NS2019-229 |
Various devices and equipment have connectibility with telecommunication, mobile networks, internet and local industrial... [more] | NS2019-229 pp.289-294 |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Localization of Radio Sources Using Near-field DOA-Matrix Method in Distributed Arrays Keisuke Watanabe, Nobuyoshi Kikuma, Kunio Sakakibara (NIT) |
It is important to know the radio source locations in wireless communications and radio sensing such as radars. One of u... [more] | |
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:50 |
Hokkaido | Identification of sagging aerial cable section by distributed acoustic sensing based on OFDR for relative distance measurement Tatsuya Okamoto, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2019-30 |
An installed optical fiber in optical communication system vibrates depending on its surrounding environment. A vibratio... [more] | OFT2019-30 pp.33-36 |
|
| SR | 2019-05-31 10:00 |
Tokyo | Tokyo Big Sight | [Technology Exhibit]
Highly Accurate Prediction of Radio Environment for V2V Communication Systems Keita Katagiri, Takeo Fujii (UEC) SR2019-18 |
An accurate estimation of radio propagation considering the geographical conditions is needed for realizing reliable veh... [more] | SR2019-18 pp.107-112 |
| OFT | 2019-05-16 14:00 |
Osaka | Ｉ-site NANBA | [Poster Presentation]
External modulation scheme for Brillouin OCDR Kohei Noda, Heeyoung Lee, Yosuke Mizuno, Kentaro Nakamura (Tokyo Tech) OFT2019-2 |
All the configurations of Brillouin optical correlation-domain reflectometry (Brillouin OCDR; BOCDR) previously reported... [more] | OFT2019-2 pp.7-10 |
| SR | 2018-10-31 10:25 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Power Control exploiting Spectrum Database for V2V Communication Systems Keita Katagiri (UEC), Koya Sato (TUS), Takeo Fujii (UEC) SR2018-76 |
In order to realize reliable Vehicle-to-Vehicle (V2V) communication systems for autonomous driving, the recognition of r... [more] | SR2018-76 pp.39-40 |
| RCS | 2018-10-19 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
Experimental Activities for 5G Ultra High-Density Distributed Antenna Systems using Real-time Transmission System Takashi Seyama, Teppei Oyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU) RCS2018-171 |
Mobile data traffic is rapidly increasing along with the popularization of smartphone. In order to accommodate the mobil... [more] | RCS2018-171 p.113 |
| OFT | 2018-10-11 16:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Long-range distributed sensing based on slope-assisted BOCDR Heeyoung Lee, Yosuke Mizuno, Kentaro Nakamura (Tokyo Tech) OFT2018-45 |
To measure strain, temperature and loss distributions along optical fibers, recently, we developed a new structural heal... [more] | OFT2018-45 pp.145-148 |
| OFT | 2018-10-11 16:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Measurement Methods of Brillouin Frequency Shift for PSP-BOTDR Based on Fourier Transform Yuki Masui, Mohd Saiful Dzulkefly Zan, Tsuneo Horiguchi (SIT) OFT2018-46 |
When analyzing the signal of BOTDR by Fourier transform, the absolute value of the complex spectrum is usually used. In ... [more] | OFT2018-46 pp.149-152 |
| OFT | 2018-10-11 16:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Effect of distributed load on BGS-based ring circumferential strain measurement Kento Nishimura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.) OFT2018-47 |
We have proposed a method for measuring a ring circumferential strain. In this method, the model of a Brillouin gain spe... [more] | OFT2018-47 pp.153-156 |
| OFT | 2018-10-12 10:25 |
Miyagi | Touhoku Univ. | Spurious vibration compensation in distributed vibration sensing based on optical frequency domain reflectometry Tatsuya Okamoto, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2018-51 |
Optical fiber installed in optical telecommunication system vibrates depending on the surrounding environment, and vibra... [more] | OFT2018-51 pp.171-174 |
| OPE, OCS, OFT (Joint) [detail] |
2018-02-15 16:25 |
Okinawa | Okinawa Prefectural Museum | Health monitoring of optical-fiber-embedded composite structure using slope-assisted BOCDR Heeyoung Lee, Sonoko Hagiwara (Tokyo Tech), Yutaka Ochi, Takahiro Matsui (Toray), Yukihiro Matsumoto (TUT), Yosuke Tanaka (TUAT), Hitoshi Nakamura (TMU), Yosuke Mizuno, Kentaro Nakamura (Tokyo Tech) OFT2017-71 OPE2017-175 |
Slope-assisted Brillouin optical correlation-domain reflectometry (SA-BOCDR) is a recently developed structural health m... [more] | OFT2017-71 OPE2017-175 pp.11-16(OFT), pp.29-34(OPE) |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 14:55 |
Akita | Yupopo | Broadband Attenuation Characteristic of the Quasi-distributed Constant Line Filter Connected in Series Yusuke Ohdaira, Koki Harada (TOKIN) EMCJ2017-53 MW2017-105 EST2017-68 |
A noise suppression device which has broadband attenuation characteristic is required because a broadband noise emission... [more] | EMCJ2017-53 MW2017-105 EST2017-68 pp.149-152 |
| OFT, OCS, LSJ (Joint) [detail] |
2017-08-31 13:40 |
Hokkaido | Hokkaido Univ. | Detection of shortest-ever strain by slope-assisted BOCDR Heeyoung Lee, Yosuke Mizuno, Kentaro Nakamura (Tokyo Inst. of Tech.) OFT2017-25 |
To enable high-speed distributed strain/temperature measurement along optical fibers, we have developed a new configurat... [more] | OFT2017-25 pp.5-8 |
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