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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| US | 2024-10-22 13:25 |
Miyagi | Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
Photoacoustic measurement using laser diode with optimized pulse width for acoustic resonance in a thin tube and its applications for evaluation of small blood vessels Kun Wang, Yuji Wada, Kentaro Nakamura (Tokyo Tech)  US2024-44 |
Photoacoustic signals from a liquid sample confined in a thin tube is affected by the acoustic resonance in the tube. Th... [more] | US2024-44 pp.7-10 |
| OFT | 2024-10-10 10:10 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Characterization of Brillouin scattering properties in small-diameter plastic optical fibers Shimbu Shirai, Seiga Ochi (Yokohama National University), Yuji Wada, Kentaro Nakamura (Tokyo Institute of Technology), Toru Moriya, Yugo Kaseda, Takashi Shimizu (Nitto Denko Corporation), Yosuke Mizuno (Yokohama National University) OFT2024-34 |
Optical fiber sensors based on Brillouin scattering have attracted extensive attention due to their ability to perform d... [more] | OFT2024-34 pp.8-12 |
| OFT | 2024-10-10 10:10 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Characteristics of hot-fiber anemometer using fiber Bragg gratings Syu Kokubun, Yuji Wada, Kentaro Nakamura (Tokyo Tech) OFT2024-38 |
Optical fiber sensors have advantages such as immunity to electromagnetic noise and radiation, stability, and long-dista... [more] | OFT2024-38 pp.26-30 |
| OFT | 2024-10-10 13:20 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Initial Phase Bias Enhanced Sagnac Interferometer Using a 3x3 Fiber Coupler for Airborne Ultrasound Detection Zijian Wang, Kentaro Nakamura (Titech) OFT2024-48 |
Recently, applications of airborne ultrasound have been spreading for the purpose of sensing, various fiber optic interf... [more] | OFT2024-48 pp.74-77 |
| US | 2024-08-01 11:50 |
Shimane | Matsue Terrsa (Shimane) | Simplified configuration of self-delay-heterodyne interferometer using laser diode for measuring airborne ultrasound through modulation in refractive index of air Kentaro Nakamura, Takumi Uchiyama, Junpei Sato, Yuji Wada (Tokyo Tech) US2024-19 |
[more] | US2024-19 pp.11-16 |
| US | 2024-05-30 13:50 |
Tokyo | Surugadai Campus, Nihon University (Tokyo) | Vibration distribution measurement of ultrasonic tools designed by topology optimization Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2024-3 |
Uniform vibration of ultrasonic bonding tools is important for industrial applications, but its design requires a great ... [more] | US2024-3 pp.10-15 |
| EA, US (Joint) |
2023-12-22 13:00 |
Fukuoka | (Fukuoka) | [Poster Presentation]
Measurement of reflection and transmission characteristics of various materials for airborne ultrasound Kousuke Kozuka, Yuji Wada, Kentaro Nakamura (Tokyotech) US2023-57 |
Application of airborne ultrasound is extending to actuators and haptic devices in addition to ranging and sensing. In t... [more] | US2023-57 pp.7-12 |
| EA, US (Joint) |
2023-12-22 13:00 |
Fukuoka | (Fukuoka) | [Poster Presentation]
Wide band airborne ultrasound transducer using traveling wave type Keigo Kimura, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2023-58 |
Narrow band characteristics of conventional airborne transducers are the limitation in widening the application of airbo... [more] | US2023-58 pp.13-17 |
| EA, US (Joint) |
2023-12-22 15:20 |
Fukuoka | (Fukuoka) | [Poster Presentation]
Hearing aid system using LED lighting. Suzuka Ikeda, Yuji Wada, Kentaro Nakamura (Tokyo Tech) EA2023-55 |
[more] | EA2023-55 pp.37-42 |
| US | 2023-11-27 10:25 |
Shizuoka | Shizuoka University (Shizuoka) | Topology optimization of large ultrasonic tools using level-set method Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2023-44 |
Uniform vibration of ultrasonic bonding tools is important for industrial applications, but its design requires a great ... [more] | US2023-44 pp.5-10 |
| OFT | 2023-10-12 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Detection of Airborne Ultrasound through Modulation of Refractive Index of Air using Sagnac Interferometer Wang Zijian, Kentaro Nakamura (Tokyo Tech) OFT2023-23 |
Applications of airborne ultrasound have been spreading recently for the purpose of sensing such as short-range SONAR fo... [more] | OFT2023-23 pp.31-34 |
| OFT | 2023-10-12 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Characterization of elastic thin tube in soft phantom by Photoacoustic Measurement Kun Wang, Yuji Wada, Kentaro Nakamura (Tokyo Tech) OFT2023-34 |
[more] | OFT2023-34 pp.73-76 |
| US | 2023-07-27 16:15 |
Fukuoka | West Japan General Exhibition Center Annex (Fukuoka) | Acoustic measurement around the pinna in the ultrasonic region using a dummy head Part2 Mari Ueda, Koki Harusawa, Manaka Oishi (KAIT), Masaaki Hiroe (Kobayasi Institute of Physical Research), Hideyuki Hasegawa (Univ. of Toyama), Kentaro Nakamura (Tokyo Tech.) US2023-22 |
[more] | US2023-22 pp.23-27 |
| US | 2023-07-27 17:05 |
Fukuoka | West Japan General Exhibition Center Annex (Fukuoka) | Characterization of elastic thin tube through laser-diode-based photoacoustic measurement Kun Wang, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2023-24 |
[more] | US2023-24 pp.34-38 |
| US | 2023-05-18 13:25 |
Tokyo | Surugadai Campus, Nihon University (Tokyo) | Analysis of acoustic streaming driving force on electronic chip parts levitated in aerial ultrasonic standing waves Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2023-4 |
In the ultrasonic levitation technology of small chip parts, some parts are difficult to be levitated at frequencies bel... [more] | US2023-4 pp.18-23 |
| EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima | Satellite Campus Hiroshima (Hiroshima) | [Poster Presentation]
High-frequency sound field measurement using pseudo heterodyne interferometer with a wavelength-swept semiconductor laser Jumpei Sato, Yuji Wada, Kentaro Nakamura (Tokyo Tech), Toshiyuki Matsumura, Risako Tanigawa (Panasonic) US2022-58 |
[more] | US2022-58 pp.38-43 |
| EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima | Satellite Campus Hiroshima (Hiroshima) | [Poster Presentation]
Automobile cabin sensing through acoustic frequency response Yoshitaka Kawabe, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2022-59 |
There is a growing demand for automobile cabin sensing to deal with the recently reported incidents of children being le... [more] | US2022-59 pp.44-49 |
| EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima | Satellite Campus Hiroshima (Hiroshima) | [Poster Presentation]
Selection of light sources and amplification with fiber amplifier in fiber optic reflection ultrasonic probe Jumpei Hayakawa, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2022-60 |
Currently, application of high intensity airborne ultrasound in high frequency band is expanding. For evaluating such in... [more] | US2022-60 pp.50-55 |
| ITE-BCT, OCS, IEE-CMN, OFT | 2022-11-11 10:10 |
Miyagi | Forest-Sendai (Miyagi, Online) (Primary: On-site, Secondary: Online) |
Observation of Rayleigh scattering by simplified optical correlation-domain reflectometry Tomoya Miyamae, Guangtao Zhu, Takaki Kiyozumi (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech/YNU), Yosuke Mizuno (YNU) OFT2022-39 |
Recent rapid growth of optical fiber communication has led to a significant demand for health monitoring technology of o... [more] | OFT2022-39 pp.11-14 |
| ITE-BCT, OCS, IEE-CMN, OFT | 2022-11-11 11:25 |
Miyagi | Forest-Sendai (Miyagi, Online) (Primary: On-site, Secondary: Online) |
Proposal of double-slope-assisted BOCDR Yukihiro Suzuki, Haruki Sasage (SIT), Kohei Noda (YNU/Tokyo Tech), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) OFT2022-42 |
(Advance abstract in Japanese is available) [more] | OFT2022-42 pp.26-29 |
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