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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2024-03-01 13:45 |
Chiba | A study on analysis of rotation phenomena of MMF speckle patterns with deep learning Ryusei Sato, Makoto Hasegawa (Chitose Inst. of Science and Technology)  EMD2023-41 |
When laser light beams are allowed to propagate from one end of an optical fiber to the other end and further to be outp... [more] | EMD2023-41 pp.13-18 |
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| EMD | 2023-12-22 14:25 |
Tochigi | Teikyo University | Development of detection scheme for speckle pattern changes in an output light spot from an optical fiber with a PIV method Takato Chiba, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2023-35 |
When visible laser beams are input into a multi-mode optical fiber (MMF) from its one end and are allowed to travel ther... [more] | EMD2023-35 pp.19-24 |
| EMD | 2023-06-30 14:45 |
Hokkaido | Chitose Arcadia Plaza | Analysis of pattern changes in an output light spot from an optical fiber with a PIV method (II) Takato Chiba, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2023-5 |
When a disturbance is applied onto an optical multi-mode fiber, speckle pattern is often observed in an output light spo... [more] | EMD2023-5 pp.22-27 |
| EMD | 2023-03-03 14:25 |
Saitama | NIT and Online (Primary: On-site, Secondary: Online) |
Analysis of pattern changes in an output light spot from an optical fiber with a PIV method Takato Chiba, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2022-25 |
Disturbances-imposed changes in speckle pattern to be observed in an output light spot from an optical fiber were capt... [more] |
EMD2022-25 pp.25-30 |
| EMD | 2023-03-03 15:15 |
Saitama | NIT and Online (Primary: On-site, Secondary: Online) |
Analysis of pattern changes in an output light spot from an optical fiber with an RIPOC method Ryusei Sato, Makoto Hasegawa (Chitose Instit. of Science and Technology) EMD2022-27 |
When laser light beams are allowed to propagate from one end of an optical fiber to the other end and further to be outp... [more] | EMD2022-27 pp.35-40 |
| OFT | 2018-10-11 16:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
All-fiber lensless imaging by using wavelength-dependent random mode pattern Tatsuya Kubota, Takashi Katagiri, Yuji Matsuura (Tohoku Univ.) OFT2018-35 |
Single fiber imaging method using tunable laser and double clad fiber is proposed. A double clad fiber with a short mul... [more] |
OFT2018-35 pp.105-108 |
| US | 2015-06-19 12:55 |
Kumamoto | Kumamoto University | Estimation accuracy of quantitative diagnostic method for liver fibrosis considering nonspeckle signals in ultrasound B-mode image of clinical data Shohei Mori, Shinnosuke Hirata (Tokyo Tech), Tadashi Yamaguchi (Chiba Univ.), Hiroyuki Hachiya (Tokyo Tech) US2015-17 |
A quantitative diagnostic method for liver fibrosis using a multi-Rayleigh model which is a model of a probability densi... [more] | US2015-17 pp.7-12 |
| EMD | 2014-12-19 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | An experimental study on changes in speckle patterns to be induced by load application onto an optical fiber Makoto Hasegawa, Yuta Shimizu, Takuya Nakamaru (Chitose Inst. of Science and Tech.) EMD2014-100 |
When a certain load is being applied onto an jacket-covered communication-grade multimode glass optical fiber through wh... [more] | EMD2014-100 pp.31-36 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-24 11:20 |
Kyoto | Doshisha University | Study on speckle contrast by use of a spectrum broadened laser beam from a semiconductor laser with high-frequency signal superposition Hiroshi Murata, Kazuhisa Yamamoto, Yasuyuki Okamura (Osaka Univ.) PN2013-89 OPE2013-203 LQE2013-189 EST2013-138 MWP2013-109 |
Laser displays and laser illuminations have been attracting a lot of interest owing to their excellent characteristics; ... [more] | PN2013-89 OPE2013-203 LQE2013-189 EST2013-138 MWP2013-109 pp.337-340 |
| US, EA (Joint) |
2013-01-24 11:40 |
Kyoto | Kambaikan, Doshisha Univ. | A Study on Speckle Suppression By Transmitting Multiple Ultrasound Beams with Random Fluctuations Haruka Suzuki, Norio Tagawa, Kan Okubo (Tokyo Metro. Univ.) US2012-91 |
Speckle suppression methods can be roughly divided into three categories: the first one is based on the statistical ch... [more] |
US2012-91 pp.19-24 |
| EMD | 2012-05-25 16:15 |
Miyagi | Tohoku Bunka Gakuen Univ. | A study on a detection system for load application onto an optical fiber by means of changes of a speckle pattern (II) Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2012-7 |
In order to investigate possibility of utilizing speckle patterns to be observed in an output light spot from an optical... [more] | EMD2012-7 pp.31-36 |
| EMD | 2012-03-02 16:15 |
Tokyo | Tanagawa Univ. | A study on a detection system for load application onto an optical fiber by means of changes of a speckle pattern Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2011-139 |
In order to investigate possibility of utilizing speckle patterns to be observed in an output light spot from an optical... [more] | EMD2011-139 pp.53-56 |
| EMD | 2011-11-17 11:50 |
Akita | Akita Univ. Tegata Campus | Rotation Phenomena of Speckle Patterns Observed in an Output Light Spot from an Optical Fiber Yusuke Takahashi, Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2011-74 |
When coherent light beams (laser beams) are incident on one end of an optical fiber, transmitted to another end to exit ... [more] | EMD2011-74 pp.39-44 |
| EMD | 2011-11-17 12:10 |
Akita | Akita Univ. Tegata Campus | An Experimental Study on Changes of Speckle Patterns Caused by Load Application onto an Optical Fiber Muneki Kawahara, Yusuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2011-75 |
In order to investigate possibility of utilizing speckle patterns for sensing application, a certain load was applied on... [more] | EMD2011-75 pp.45-49 |
| US | 2011-09-26 14:25 |
Miyagi | Tohoku Univ. | Investigation on Optimal Correlation Kernel Size for Ultrasonic Measurement of Heart Wall Motion at High Temporal Resolution Yasunori Honjo, Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2011-47 |
For noninvasive and quantitative measurement of global two-dimensional (2-D) heart wall motion, speckle tracking methods... [more] | US2011-47 pp.7-11 |
| EMD | 2011-05-20 14:35 |
Miyagi | Tohoku Univ. Cyber-Science Center | A study on rotation characteristics of speckle patterns observed in an output light spot from an optical fiber (II) Yusuke Takahashi, Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Sci. & Tech.) EMD2011-4 |
When coherent light beams (laser beams) are incident on one end of an optical fiber, transmitted to another end to exit ... [more] | EMD2011-4 pp.15-20 |
| EMD | 2011-03-04 16:15 |
Saitama | Nippon Institute of Technology | A study on rotation characteristics of speckle patterns observed in an output light spot from an optical fiber Muneki Kawahara, Yusuke Takahashi, Makoto Hasegawa (Chitose Inst. of Sci & Tech) EMD2010-166 |
When coherent light beams (laser beams) are incident on one end of an optical fiber, transmitted to another end to exit ... [more] | EMD2010-166 pp.57-60 |
| EMD | 2010-11-12 08:30 |
Overseas | Xi'an Jiaotong University | Applicability of speckle patterns in an output light from an optical fiber to sensing applications Yusuke Takahashi, Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2010-97 |
When coherent light beams (laser beams) are incident on one end of an optical fiber, transmitted to another end thereof ... [more] | EMD2010-97 pp.125-128 |
| EMD | 2009-07-17 14:55 |
Hokkaido | Chitose Arcadia Plaza | An experimental study on applicability of speckle pattern in an output light from an optical fiber to sensing applications Yusuke Takahashi, Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Sci. & Tech.) EMD2009-24 |
When coherent light beams (laser beams) are incident on one end of an optical fiber, transmitted to another end thereof ... [more] | EMD2009-24 pp.19-24 |
| 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 |
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