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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2021-10-14 10:30 |
Online | Online | [Poster Presentation]
High-speed BOCDR with unlimited strain dynamic range Kazuya Kishizawa, Motoki Sano (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU)  OFT2021-21 |
Optical fiber sensors have been extensively studied as key tools for structural health monitoring because of their ease ... [more] | OFT2021-21 pp.1-4 |
| 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 |
| OFT, OCS, LSJ (Joint) [detail] |
2021-08-26 14:45 |
Online | Online | A method for continuously measuring backscattered light at an arbitrary point on an optical fiber Shiro Ryu (Meiji Univ.), Takafumi Tsuboya (SECOM) OFT2021-14 |
We have proposed a continuous measurement method for Rayleigh backscattered light in the time domain at any point on the... [more] | OFT2021-14 pp.13-18 |
| US | 2021-07-30 13:00 |
Online | Online | Elastic Anomaly of Structural Phase Transition in Slightly Doped SrTiO3 Crystals Seiji Kojima (Tsukuba Univ.), Venkatasubramanian Sivasubramanian (IGC) US2021-18 |
The cubic-tetragonal structural phase transition has been investigated in 3at% Ca doped SrTiO3 crystals with perovskite ... [more] | US2021-18 pp.1-4 |
| 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 |
| US | 2021-01-29 14:15 |
Online | Online | Attempt of simple Brillouin scattering measurement using excited phonons Shuhei Nishikawa, Shuto Inamoto, Shoya Ueno, Mami Matsukawa (Doshisha Univ) US2020-59 |
By observing Brillouin light scattering, the longitudinal and transverse wave velocities in the GHz range can be measure... [more] | US2020-59 pp.9-14 |
| OCS, CS (Joint) |
2021-01-14 14:55 |
Online | Online | Study on chromatic dispersion dependence of GAWBS noise Kozo Sato, Takashi Kan, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2020-30 |
We have proposed the guided acoustic-wave Brillouin scattering (GAWBS) phase noise compensation method with a pilot tone... [more] | OCS2020-30 pp.18-23 |
| OFT | 2021-01-15 15:00 |
Online | Online | Analysis of a high-spatial resolution BOCDA optical fiber sensor using short-pulse optical sources Masayuki Matsumoto (Wakayama Univ.) OFT2020-53 |
Brillouin optical fiber correlation-domain analysis (BOCDA) exhibits superior performance as a high-sensitivity and high... [more] | OFT2020-53 pp.43-46 |
| 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, ITE-BCT, OCS, IEE-CMN [detail] | 2020-11-13 14:55 |
Online | Online | Notchless spectra realized by Brillouin optical correlation domain analysis using pulse train arranged at power intervals Daiki Miyake, Yudai Hattori, Fumihiko Ito (Shimane Univ.) OFT2020-41 |
A signal using pulse trains arranged at power intervals applicable to the correlation domain analysis is proposed. The a... [more] | OFT2020-41 pp.21-26 |
| OFT | 2020-10-09 09:40 |
Online | Online | Theoretical Study of Fiber Brillouin Scattering Using FDTD Method Shiori Nozawa, Shiro Ryu (Meiji Univ.) OFT2020-26 |
Brillouin scattering is known as a nonlinear phenomenon that occurs in an optical fiber. So far, we have measured the a... [more] | OFT2020-26 pp.68-73 |
| OFT | 2020-10-09 13:50 |
Online | Online | [Invited Talk]
Brillouin gain control via acoustic wave interference in polarization-maintaining fiber Youhei Okawa, Kazuo Hotate (TTI) OFT2020-33 |
We propose and demonstrate a method for controlling Brillouin gain with light in a phase-sensitive manner. Our results s... [more] | OFT2020-33 pp.103-108 |
| OFT | 2020-01-17 09:00 |
Aichi | NINS Okazaki Conference Center | Denoising of Brillouin gain spectrum via dictionary learning considering strain variation Shogo Shimizu, Shota Kitamura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.) OFT2019-52 |
In the optical fiber strain measurement using the Brillouin scattering phenomenon, the strain is obtained through the an... [more] | OFT2019-52 pp.29-34 |
| OCS, ITE-BCT, OFT, IEE-CMN [detail] | 2019-11-22 09:55 |
Yamaguchi | Kaikyo-Messe-Shimonoseki | Comb-like Brillouin spectrum generated by pulse train arranged at power intervals Miyu Okawa, Shohei Kawakami, Daiki Miyake, Fumihiko Ito (Shimane Univ.) OFT2019-40 |
A correlation analysis method using short pulse trains arranged at power intervals as pump probe light is proposed. The ... [more] | OFT2019-40 pp.23-27 |
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:00 |
Hokkaido | Study of Optical Phase Characteristics of Stokes and Transmitted Light in Fiber Brillouin Scattering Shiori Nozawa, Ryu Shiro (Meiji Univ.) OFT2019-28 |
Spontaneous and stimulated Brillouin scattering is a nonlinear phenomenon in optical fibers, and it is known that the st... [more] | OFT2019-28 pp.23-28 |
|
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:25 |
Hokkaido | Investigation on measurement of loss and crosstalk at splice point in two-mode fiber based on Brillouin optical time domain analysis Tomokazu Oda, Atsushi Nakamura, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2019-29 |
Mode division multiplexing (MDM) using few-mode fibers (FMFs) has been intensively studied. In MDM transmission, mode de... [more] | OFT2019-29 pp.29-32 |
|
| 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 |
| EA, US (Joint) |
2019-01-22 10:30 |
Kyoto | Doshisha Univ. | [Poster Presentation]
The effect of diabetes on longitudinal wave velocity in bone Hirokazu Yasui, Yuki Kuzuhara, Takumi Fukunaga, Yuki Harada, Hiromichi Hayachi, Ikegawa Masaya, Mami Matsukawa (Doshisha Univ.) US2018-90 |
The decrease of bone strength is one of the factors of bone fracture risk. Diabetic patients have higher bone fracture r... [more] | US2018-90 pp.55-59 |
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