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 |
EMD |
2024-03-01 14:20 |
Chiba |
|
Observations of break arc discharge characteristics and arc behaviors of AgSnO2 contacts in DC inductive load circuits up to DC20V Reo Oikawa, Yuya Asari, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2023-42 |
The authors’ research group has continued a series of observations of break arc behaviors and arc duration measurements ... [more] |
EMD2023-42 pp.19-24 |
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 |
EMD |
2023-03-03 15:45 |
Saitama |
NIT and Online (Primary: On-site, Secondary: Online) |
Break arc characteristics of AgSnO2 contacts in an inductive load circuit up to DC20V Shota Kosugi, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2022-29 |
The authors’ research group has continued a series of observations of break arc behaviors and arc duration measurements ... [more] |
EMD2022-29 pp.46-51 |
EMD |
2021-03-08 15:55 |
Online |
Online |
Preparation of an experiment kit for highschool physics classes on conversion from mechanical energy to thermal energy Ryo Tanaka, Makoto Hasegawa (Chitose Inst. of Science and Technology) EMD2020-36 |
An experimental teaching material has been prepared to allow students to experientially confirm the law of conservation ... [more] |
EMD2020-36 pp.36-39 |
EMD, R |
2020-02-14 14:35 |
Shizuoka |
|
Observations of break arc behaviors of AgSnO2 contacts in a DC inductive load under application of an external magnetic field Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Science & Technology) R2019-56 EMD2019-56 |
When AgSnO2 contacts were operated to break an inductive DC load circuit up to 20V-17A with an applied external magnetic... [more] |
R2019-56 EMD2019-56 pp.13-16 |
EMD |
2020-01-17 15:35 |
Kanagawa |
Rental hall Shonan Hiratsuka |
Arc movement observation of DC inductive break arcs of AgSnO2 contacts up to 20V-17A under external magnetic field application Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-51 |
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] |
EMD2019-51 pp.17-21 |
EMD |
2019-12-13 16:30 |
Tokyo |
|
Arc energy calculation in re-striking phenomena in break operations of AgSnO2 contacts in inductive DC load conditions up to 20V-17A Makoto Hasegawa, Seika Tokumitsu (Chitose Inst. of Sci.&Tech.) EMD2019-47 |
AgSnO2 contacts were operated to break an inductive DC load circuit of 14V-7A, 14V-12A, 20V-7A, or 20V-17A with an appli... [more] |
EMD2019-47 pp.25-30 |
EMD |
2019-03-01 10:35 |
Tokyo |
|
A study in influences of external magnetic field on break arc characteristics of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A up to 20V-17A Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-59 |
For the purpose of investigating influences of application of an external magnetic field on shortenings of break arc dur... [more] |
EMD2018-59 pp.1-6 |
EMD |
2019-01-18 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Influences of contact opening speeds and external magnetic field on shortening of break arc durations of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2018-52 |
In a DC inductive (L=5.7mH) load circuit, a AgSnO2 contact pair with applied external magnetic field of about 120mT was ... [more] |
EMD2018-52 pp.23-28 |
PN |
2017-03-07 09:30 |
Okinawa |
Ohama Nobumoto Memorial Hall (Okinawa) |
Experimental connectivity test of all-optical analog to digital conversion and multilevel signal in all-optical fractional OFDM receiver Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Rome Tre), Takuya Murakawa (Osaka Univ.), Satoshi Shimizu (NICT), Makoto Hasegawa (Osaka Univ.), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Tech), Tsuyoshi Konishi (Osaka Univ.) PN2016-100 |
We experimentally verified a connectivity of all-optical analog to digital conversion and multilevel signal in all- opti... [more] |
PN2016-100 pp.93-98 |
PRMU, CNR |
2017-02-18 09:30 |
Hokkaido |
|
A Study for Character Recognition with Perspective Distortion by Vanishing Point Detection Using Radon Transform
-- Experiments for Line Noise Reduction by Using RANSAC Algorithm -- Yusuke Takezawa, Seiji Ishihara (Tokyo Denki Univ), Takao Furukawa (Kyoritsu Women's Univ), Takashi Takiguchi (National Defense Academy of Japan), Makoto Hasegawa (Tokyo Denki Univ) PRMU2016-152 CNR2016-19 |
[more] |
PRMU2016-152 CNR2016-19 pp.1-6 |
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] |
2016-01-29 09:25 |
Hyogo |
|
Experimental demonstration of low cost all-optical fractional OFDM transmission using arrayed waveguide grating Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Rome Tre), Takuya Murakawa (Osaka Univ.), Satoshi Shimizu (NICT), Makoto Hasegawa (Osaka Univ.), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Ins. of Tec.), Tyuyoshi Konishi (Osaka Univ.) PN2015-76 EMT2015-127 OPE2015-189 LQE2015-176 EST2015-133 MWP2015-102 |
[more] |
PN2015-76 EMT2015-127 OPE2015-189 LQE2015-176 EST2015-133 MWP2015-102 pp.249-256 |
OPE, OME |
2015-11-27 10:45 |
Kagawa |
Sunport-hall Takamatsu |
Preliminary Results of Interleaving Technology for All-Optical Analog-to-Digital Converter using Soliton Self-Frequency Shift Hiroyuki Uenohara (Tokyo Tech), Makoto Hasegawa, Tsuyoshi Konishi (Osaka Univ.) OME2015-71 OPE2015-137 |
All-optical analog-to-digital conversion technique becomes important to achieve high effective number of bits as well as... [more] |
OME2015-71 OPE2015-137 pp.37-42 |
EMD, CPM, OME |
2015-06-19 16:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An experimental study on break arc characteristics of AgSnO2 contact pairs at interruptions of DC load currents with different contact opening speeds Makoto Hasegawa (Chitose Inst. of Science & Technology) EMD2015-19 CPM2015-29 OME2015-32 |
In DC load circuit conditions with a power supply voltage of DC14V, break operations of a load current in the range from... [more] |
EMD2015-19 CPM2015-29 OME2015-32 pp.47-50 |
PN |
2015-03-18 14:50 |
Okinawa |
|
[Encouragement Talk]
Suppression Effect of Peak-to-average-ratio for multi-level modulation in Optical OFDM based on Fractional Fourier Transform Tomotaka Nagashima, Takuya Murakawa, Makoto Hasegawa (Osaka Univ.), Satoshi Shimizu (NICT), Gabriella Cincotti (Univ. Rome), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Institute of Technology), Tsuyoshi Konishi (Osaka Univ.) PN2014-88 |
Nonlinear optical effects are unavoidable issues for next generation of optical networks and multi-carriers of current o... [more] |
PN2014-88 pp.63-68 |
MI |
2015-03-03 13:40 |
Okinawa |
Hotel Miyahira |
* Tsuyoshi Kato, Raissa Relator, Makoto Hasegawa (Gunma Univ), Tetsuhiro Kakimoto, Kinya Okada (MTPC) MI2014-103 |
- [more] |
MI2014-103 pp.243-248 |