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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2023-10-12 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Extension of measurement range in OCDR based on temporal gating scheme Mana Sakamoto, Tomoya Miyamae (YNU), Kohei Noda (UTokyo), Heeyoung Lee (SIT), Yosuke Mizuno (YNU)  OFT2023-31 |
For the past several decades, as a promising method for monitoring the soundness of optical fiber communication networks... [more] | OFT2023-31 pp.63-66 |
| OFT | 2023-10-12 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Simultaneous Measurement of Strain and Temperature Distribution Using Different Doped Fibers
-- Evaluating an Impact of Misaligned Measurement Positions of Wavelength Shift Data on Simultaneous Measurement -- Mami Uchida (UT), Shinsaku Hisada, Daichi Wada, Hirotaka Igawa (JAXA), Hideaki Murayama (UT) OFT2023-40 |
Simultaneous measurements of strain and temperature distributions were conducted using OFDR and FBG sensors, which were ... [more] | OFT2023-40 pp.97-100 |
| OFT | 2022-10-13 09:30 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Extension of measurement range in OCDR based on double-modulation scheme Mana Sakamoto (YNU/SIT), Tomoya Miyamae (YNU), Kohei Noda (YNU/Tokyo Tech), Kentaro Nakamura (Tokyo Tech), Heeyoung Lee (SIT), Yosuke Mizuno (YNU) OFT2022-20 |
For the past several decades, as a promising method for monitoring the soundness of optical fiber communication networks... [more] | OFT2022-20 pp.9-12 |
| OFT | 2021-10-14 10:30 |
Online | Online | [Poster Presentation]
Attempt to optimize delay fiber length in BOCDR Mana Sakamoto, Haruki Sasage (SIT), Kohei Noda (Tokyo Tech/YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) OFT2021-26 |
Brillouin optical correlation-domain reflectometry (BOCDR) is known as a distributed strain and temperature sensing tech... [more] | OFT2021-26 pp.19-22 |
| OFT | 2021-10-14 13:00 |
Online | Online | [Poster Presentation]
Strain dynamic range extension in slope-assisted BOCDR based on down-conversion of Brillouin frequency shift Haruki Sasage, Mana Sakamoto (SIT), Kohei Noda (Tokyo Tech/YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) OFT2021-36 |
Brillouin optical correlation-domain reflectometry (BOCDR) is known as a distributed strain and temperature sensing tech... [more] | OFT2021-36 pp.59-62 |
| 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 |
| 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 | 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, 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 |
| OFT | 2017-05-25 14:30 |
Shimane | Shimane Univ. (Matsue campus) | Simplified and high speed BOTDA employing frequency-swept pulses Chihiro Kito, Hiroshi Takahashi, Kunihiro Toge, Tetsuya Manabe (NTT) OFT2017-2 |
In recent years, research on optical measurement technology using Brillouin scattering capable of measuring temperature ... [more] | OFT2017-2 pp.7-10 |
| OPE, OCS, OFT (Joint) [detail] |
2015-02-19 13:35 |
Kagoshima | [Invited Talk]
Brillouin scattering in plastic optical fibers
-- Application to distributed strain and temperature sensing -- Yosuke Mizuno, Neisei Hayashi, Kentaro Nakamura (Tokyo Tech) OCS2014-107 OFT2014-64 OPE2014-209 |
After briefly reviewing the fundamental properties of Brillouin scattering in plastic optical fibers (POFs) at 1.55 um, ... [more] | OCS2014-107 OFT2014-64 OPE2014-209 pp.23-28(OCS), pp.39-44(OFT), pp.39-44(OPE) |
|
| OFT | 2013-01-24 15:20 |
Tokushima | Measurement range enlargement in fiber-optic distributed strain and temperature sensing by coherent OTDR Akio Togo, Tomoaki Sudo, Hisashi Izumita, Yahei Koyamada (Ibaraki Univ.), Li Che-Hsien, Kinzo Kishida (Neubrex) OFT2012-57 |
We extended measurand range of a coherent OTDR by introducing a fully tunable DFB laser whose optical frequency can be p... [more] | OFT2012-57 pp.25-30 |
|
| OFT | 2013-01-24 16:00 |
Tokushima | Proposal and experimental verification of synthetic Brillouin optical time-domain reflectometry Ken'ichi Nishiguchi (Osaka Univ.), Li Che-Hsien, Artur Guzik, Kinzo Kishida (Neubrex) OFT2012-58 |
We propose a novel method to improve the spatial resolution of Brillouin optical time-domain reflectometry (BOTDR), whic... [more] | OFT2012-58 pp.31-36 |
|
| OFT | 2012-05-25 09:00 |
Gifu | Hida, Earth Wisdom Center | [Tutorial Lecture]
Trend of Optical Fiber Sensors Ryozo Yamauchi (Fujikura) OFT2012-10 |
Optical fibers, especially silica-based optical fibers have a number of advantages such as low-loss, wide bandwidth, lig... [more] | OFT2012-10 pp.45-50 |
| OFT | 2010-01-22 09:20 |
Okinawa | Combination of External Phase Modulation and Synthesis of Optical Coherence Function for Improvement of Spatial Resolution in Long-length FBG Sensing System Koji Kajiwara, Zuyuan He, Kazuo Hotate (Univ. of Tokyo) OFT2009-76 |
External phase modulation is newly combined with the synthesis of optical coherence function for improvement of spatial ... [more] | OFT2009-76 pp.77-82 |
|
| OFT, OPE | 2009-03-06 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | High-performance Brillouin distributed sensing using pulse compression technique Ken'ichi Nishiguchi (Osaka Univ.), Li Che-Hsien, Kinzo Kishida (Neubrex) OFT2008-91 OPE2008-191 |
The spatial resolution of strain/temperature measurements using Brillouin scattering in an optical fiber is proportional... [more] | OFT2008-91 OPE2008-191 pp.19-24 |
| OFT, OPE | 2009-03-06 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Stable entire-length measurement of fiber strain distribution by Brillouin optical correlation-domain reflectometry with polarization scrambling Yosuke Mizuno, Zuyuan He, Kazuo Hotate (Univ. of Tokyo) OFT2008-93 OPE2008-193 |
Recently we have proposed a Brillouin optical correlation-domain reflectometry (BOCDR) to measure the distribution of st... [more] | OFT2008-93 OPE2008-193 pp.31-38 |
| OFT, OPE | 2009-03-06 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Improvement in Measurement Accuracy and Speed of Distributed Sensing in a Long-length FBG Koji Kajiwara, Kazuo Hotate (Tokyo Univ.) OFT2008-94 OPE2008-194 |
A new sensor system for measuring the Bragg wavelength distribution in a long-length fiber Bragg grating was proposed re... [more] | OFT2008-94 OPE2008-194 pp.39-44 |
| OPE, OFT | 2008-03-07 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Sophistication of pulse-prepump method for Brillouin distributed optical fiber sensors Ken'ichi Nishiguchi (Osaka Univ.), Kinzo Kishida, Li Che-Hsien (Neubrex), Zhishen Wu (Ibaraki Univ.) OFT2007-68 OPE2007-187 |
An accuracy improvement method for Brillouin distributed sensing system is proposed. We previously proposed a high-resol... [more] | OFT2007-68 OPE2007-187 pp.33-38 |
| OFT | 2006-05-11 14:45 |
Fukuoka | KYUSHU UNIVERSITY | Polarization Dependence of Rayleigh Backscattered Waveform measured by Coherent OTDR with Frequency Stabilized Light Source Mutsumi Imahama, Souichi Hirose, Kazuo Hogari, Yahei Koyamada (Ibaraki Univ) OFT2006-4 |
We have been working on a novel fiber optic sensor for measuring the distributed strain and temperature in a fiber with ... [more] | OFT2006-4 pp.13-16 |
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