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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
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
 Results 1 - 19 of 19  /   
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