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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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| US | 2024-02-27 14:15 |
Tokyo | Tokyo Metropolitan Industrial Technology Research Institute (TIRI) | Underwater vibration observation and sensitivity evaluation of SC-cut crystal resonators using laser pulse method Kengo Hara, Yasuaki Watanabe, Yuta Aoki (Tokyo Metropolitan Univ.) US2023-76 |
Crystal resonators, a type of piezoelectric device, have been studied for a long time as highly stable frequency generat... [more] | US2023-76 pp.15-20 |
| 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 |
| US | 2022-09-20 15:00 |
Online | Online | Improvement in laser pulse methods for piezoelectric device analysis using laser speckle interferences Kengo Hara, Yingbo Sun, Yuta Aoki, Yasuaki Watanabe (TMU) US2022-41 |
Piezoelectric resonators, which are a type of quartz crystal device that converts pressure and electric power, are used ... [more] | US2022-41 pp.18-21 |
| 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 |
| 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 |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-27 09:00 |
Osaka | Osaka Univ. Convention Center | Guided-Wave Electrooptic Modulator with Polarization Reversal Structure for Speckle Control Keita Furusho, Hiroshi Murata, Yasuyuki Okamura (Osaka Univ.) PN2011-65 OPE2011-181 LQE2011-167 EST2011-115 MWP2011-83 |
Image noise called speckle noise occurs frequently in laser displays when a laser beam is projected onto a screen for dr... [more] | PN2011-65 OPE2011-181 LQE2011-167 EST2011-115 MWP2011-83 pp.241-246 |
| OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2011-11-17 15:00 |
Shimane | Shimane Univ. | Coherence characterization of narrow-linewidth beam by speckle statistical analysis Masaaki Inoue, Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT) OFT2011-47 |
A novel method for characterizing the amplitude of a coherence function with respect to a delay between two optical wave... [more] | OFT2011-47 pp.1-4 |
| 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 |
| 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 |
| ITE-IDY, EID, IEIJ-SSL, IEE-EDD | 2010-01-29 12:05 |
Fukuoka | Kyusyu Univ. (Chikushi Campus) | The Speckle Reduction Effect of Small Moving Diffusers in Laser Projection Displays Hiroaki Satoh, Kazuo Sekiya, Yuhei Kuratomi, Tohru Kawakami, Baku Katagiri, Yoshito Suzuki, Tatsuo Uchida (Tohoku Univ.) EID2009-80 |
On projection displays using laser light sources, speckles are generated by the high coherency of laser light. We have ... [more] |
EID2009-80 pp.133-136 |
| 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 |
| EA, US (Joint) |
2009-01-30 11:00 |
Kyoto | Improved system for in-plane mode shape measurement based on two-laser speckle interferometer Yasuaki Watanabe, Kentaro Tachibana, Tomoyuki Ishii, Noriyuki Imaeda, Shigeyoshi Goka, Takayuki Sato, Hitoshi Sekimoto (Tokyo Metropolitan Univ.) US2008-83 |
Two-light-source laser speckle system for visualizing the in-plane mode shapes of high frequency piezoelectric resonator... [more] | US2008-83 pp.63-67 |
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| LQE | 2008-05-23 15:00 |
Fukui | Bunkyo Campus, Univ. Of Fukui | Growth measurement of plant by laser speckle strain gauge Koichi Kobayashi, Ichirou Yamaguchi LQE2008-12 |
Up to now, the growth measurements of the plant has been carried out by monitoring weight of dried specimen and area of ... [more] | LQE2008-12 pp.55-58 |
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