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 |
EA |
2023-05-25 15:00 |
Online |
Online |
[Invited Talk]
Sound-field measurement using optical technologies Kenji Ishikawa (NTT) EA2023-3 |
Optical sound field measurement is being investigated as a technology that can realize high spatial resolution imaging a... [more] |
EA2023-3 pp.15-20 |
EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima |
Satellite Campus 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 |
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 |
US |
2022-06-30 10:30 |
Osaka |
Kansai University (Senriyama Campus) |
Development of photoacoustic signal measurement system for an optically mechanical-property-observation Kazuki Tamura (HUSM), Ken-ya Hashimoto (UESTC), Shinpei Okawa (HUSM) US2022-9 |
Mechanical properties of biological tissues are reported to relate to inflammation and lesions. This study develops a me... [more] |
US2022-9 pp.1-4 |
US |
2022-02-24 16:25 |
Online |
Online |
[Invited Talk]
Potential of Sound Field Visualization Technology Yasuhiro Oikawa (Waseda Univ.) US2021-74 |
In recent years, optical technology and mixed reality technology have made remarkable progress. In particular, we have d... [more] |
US2021-74 pp.27-31 |
US |
2021-11-26 15:30 |
Online |
Online |
Acoustic Characterization of Blood Mimicking Fluid for Ultrafast Ultrasound Imaging and PIV Masaaki Omura, Ryo Nagaoka, Kunimasa Yagi (Univ. Toyama), Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hideyuki Hasegawa (Univ. Toyama) US2021-45 |
Ultrafast ultrasound imaging has been applied to characterization of a blood flow vector velocity distribution in the va... [more] |
US2021-45 pp.30-35 |
AP |
2019-03-15 10:25 |
Fukushima |
Yunoya (Iizaka Onsen, Fukushima) |
Shadowing Effect Prediction based on Physical Optics Approach for Millimetre Wave Mobile Communication Xin DU, Kentaro Saito, Jun-ichi Takada (Titech), Mitsuki Nakamura, Motoharu Sasaki, Wataru Yamada, Yasushi Takatori (NTT) AP2018-192 |
In this study, the shadowing measurement was done by using channel sounder in the indoor office environment at two frequ... [more] |
AP2018-192 pp.35-40 |
US, EA (Joint) |
2018-01-23 16:20 |
Osaka |
|
[Invited Talk]
Contactless measurement of sound pressure distribution using laser interferometer
-- an overview and recent developments -- Kohei Yatabe, Kenji Ishikawa, Yasuhiro Oikawa (Waseda Univ.) US2017-102 EA2017-89 |
Although sound pressure is usually measured by microphones, they inherit some unavoidable physical limitations in princi... [more] |
US2017-102 EA2017-89 pp.107-114(US), pp.33-40(EA) |
US |
2017-10-05 13:25 |
Miyagi |
|
Improvement of High Frequency Ultrasound Images by Point Spread Function Obtained with Optical Coherence Tomography Naoshi Kashiwagura, Ryo Nagaoka (Tohoku Univ), Kazuto Kobayashi (HONDA ELECTRONICS), Yoshihumi Saijo (Tohoku Univ) US2017-57 |
A novel skin imaging combining ultrasound and optical coherence tomography (OCT) is proposed in the present study. Point... [more] |
US2017-57 pp.5-10 |
R, EMD, CPM, LQE, OPE |
2017-08-31 15:25 |
Aomori |
|
Application of F-SAS Sensor to Dysphagia Measurement Seiko Mitachi, Yuki Undo, Takahiro Sano, Takuro Koremura (Tokyo Univ. of Tech.), Tomoyuki Haji (Pref. Univ. of Hiroshima) R2017-28 EMD2017-22 CPM2017-43 OPE2017-52 LQE2017-25 |
We are developing a sleep apnea syndrome sensor (F-SAS sensor) using optical fiber that captures side pressure changes d... [more] |
R2017-28 EMD2017-22 CPM2017-43 OPE2017-52 LQE2017-25 pp.21-26 |
EA, US (Joint) |
2017-01-25 10:30 |
Kyoto |
Doshisha Univ. |
[Poster Presentation]
Quantitative Measurement of Pulsed Ultrasonic Pressure Field using Optical Phase Contrast Method and Acoustic Holography Takuya Nakamura, Hiroki Hanayama, Ryo Takagi, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku Univ.) US2016-73 |
Establishment of fast and accurate measurement of ultrasonic pressure field is necessary to assure safety of ultrasonic ... [more] |
US2016-73 pp.5-10 |
US |
2016-10-07 16:25 |
Fukushima |
College of Eng., Nihon Univ. |
Study of Simulation of Optical Propagation for Phase Retrieval in Shadowgraph of Ultrasonic Field Hiroki Hanayama, Takuya Nakamura, Ryo Takagi, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku Univ.) US2016-48 |
Establishment of fast and accurate measurement of ultrasound pressure field leads to the development of medical ultrasou... [more] |
US2016-48 pp.23-27 |
MI |
2015-07-14 13:30 |
Hokkaido |
Sun Refle Hakodate |
Automatic Artery Extraction in Ultrasound Images for the aid of FMD test Kaori Nomura (NIT), Hiroshi Masuda (UNEX), Kazumasa Sano (Toe), Toshihiko Koyama (DENSO), Hidenori Suzuki (UNEX), Hidekata Hontani (NIT) MI2015-32 |
The authors propose a method for automatically extracting and tracking
an artery region in a ultrasound temporal image ... [more] |
MI2015-32 pp.1-6 |
US, EA (Joint) |
2015-01-29 15:15 |
Kyoto |
Doshisha Univ. |
Quantitative Measurement of Pulsed Ultrasound Pressure Field Using Optical Phase Contrast Seiji Oyama, Mohd Syahid, Jun Yasuda, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku Univ.) US2014-93 EA2014-71 |
Establishment of fast and accurate measurement of ultrasound pressure field leads to the development of ultrasound appli... [more] |
US2014-93 EA2014-71 pp.105-110(US), pp.69-74(EA) |
US |
2011-07-29 13:45 |
Kyoto |
Kyoto Electronics Manufacturing Co., Ltd. |
Development and application of MHz rheo-optical measurement using ultrasonically induced depolarized diffraction Sho Miyake, Tatsuro Matsuoka (Nagoya Univ.) US2011-37 |
We have improved the apparatus to measure frequency dependent complex strain – optical coefficient using ultrasoni... [more] |
US2011-37 pp.79-83 |
EA |
2009-03-27 16:00 |
Tokyo |
|
Development of the microphone with the displacement type optical sensor unit. Kayoko Kogure, Jun Hasegawa, Kenji Kobayashi (Takushoku Univ.) EA2008-144 |
An optical displacement sensor with high sensitivity and wide dynamic range was utilized to develop sound transducers fo... [more] |
EA2008-144 pp.49-54 |
EMT, LQE, OPE, PN |
2008-01-28 09:30 |
Osaka |
|
Analysis of optical scattering in ultrasound-modulated optical tomography Masaki Hisaka, Yu Sasakura (Osaka Electro-Communication Univ.) PN2007-37 OPE2007-145 LQE2007-123 |
A biological tissue sample with some fibrotic tendons and a stained section of the tissue with the same acoustic impedan... [more] |
PN2007-37 OPE2007-145 LQE2007-123 pp.1-4 |
MBE |
2004-11-03 13:00 |
Osaka |
Osaka Electro-Comm. Univ. |
Ultrasound-modulated optical imaging in biological tissue by use of laser speckle Shouhei Matsuda, Masaki Hisaka (Osaka Electro-Communication Univ.) |
Ultrasound modulated optical-tomography of transmission type has been developed by observation of the speckle pattern ch... [more] |
MBE2004-45 pp.1-4 |