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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT, ITE-BCT, OCS, IEE-CMN [detail] | 2020-11-13 15:20 |
Online | Online | Commercialization of Coded PSP-BOTDR capable of centimeter spatial resolution in single end style Kinzo Kishida, Kenichi Nishiguchi, Artur Guzik, Li Ttken (Neubrex), Tsuneo Horiguchi (SIT), Yahei Koyamada (Ibaraki Univ.)  OFT2020-42 |
(Advance abstract in Japanese is available) [more] | OFT2020-42 pp.27-32 |
| OFT, ITE-BCT, OCS, IEE-CMN [detail] | 2020-11-13 16:10 |
Online | Online | Commercialization of real-time distributed acoustic fiber optic sensing (DAS) utilizing chirped pulse Kinzo Kishida, Artur Guzik, Li Ttken, Nishiguchi Kenichi, Daiji Azuma (Neubrex), Qingwen Liu, Zuyuan He (SJTU) OFT2020-44 |
Distributed Acoustic Sensing (DAS) in optical fibers detects dynamic strain or sound waves by measuring the phase change... [more] | OFT2020-44 pp.39-44 |
| OFT, OCS (Joint) |
2015-08-28 09:50 |
Hokkaido | Fabrication of Fiber-Optic Distributed Acoustic Sensor and Its Signal Processing Ken'ichi Nishiguchi (Osaka Univ.), Li Che-Hsien, Artur Guzik, Mitsunori Yokoyama, Kinzo Kishida (Neubrex) OFT2015-21 |
We fabricated a fiber-optic distributed acoustic sensing (DAS) system using a narrow linewidth laser. DAS systems are cl... [more] | OFT2015-21 pp.29-34 |
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| 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 | 2013-01-24 16:25 |
Tokushima | Hybrid Brillouin-Rayleigh distributed sensing system capable to separate strain and temperature in single SM fiber Kinzo Kishida, Li Che-Hsien (Neubrex), Ken'ichi Nishiguchi (Osaka Univ.), Yoshiaki Yamauchi, Artur Guzik (Neubrex) OFT2012-59 |
This paper deals with development of a hybrid Brillouin-Rayleigh sensing system. The system is capable of separating str... [more] | OFT2012-59 pp.37-42 |
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| 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 | 2008-05-16 10:55 |
Osaka | PPP-BOTDA method to achieve 2cm spatial resolution in Brillouin distributed meagsuring technique Li Che-Hsien, Kenichi Nishiguchi, Miyuki Miyatake, Atushi Makita, Mitsunori Yokoyama, Kinzo Kishida (NB), Tadahito Mizutani, Nobuo Takeda (Univ. of Tokyo) OFT2008-13 |
PPP-BOTDA (Pulse-PrePump Brillouin Optical Time Domain Analysis) method was published in previous work and the possibili... [more] | OFT2008-13 pp.55-60 |
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| 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 | 2004-10-15 14:05 |
Chiba | Chiba Univercity | Perturbation analysis of stimulated Brillouin scattering in an optical fiber with a finite extinction ratio Ken'ichi Nishiguchi (MELCO), Kinzo Kishida (Neubrex) |
The resolution of strain measurements using Brillouin scattering in an optical fiber depends on the pulse width of a pum... [more] | OFT2004-47 pp.9-14 |
| OFT | 2004-10-15 14:30 |
Chiba | Chiba Univercity | Pulsed pre-pump method to achieve centimeter order spatial resolution in Brillouin distributed measuring technique Kinzo Kishida, Li Che-Hsien, Shengbin Lin (Neubrex), Ken'ichi Nishiguchi (MELCO) |
[more] | OFT2004-48 pp.15-20 |
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