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 Results 1 - 20 of 36  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-13
Online Online High precision shape measurement using hiigh coherence wavelength swept light soruce
Takanori Saitoh (Anritsu) OFT2020-43
We developed a 3D shape measurement system with OFDR using a high coherence wavelength swept light source. The 3D shape ... [more] OFT2020-43
OPE, OCS, LQE 2020-10-23
Online Online [Invited Talk] Widely tunable MEMS based high speed swept VCSEL source operating over a wide temperature for SS-OCT
Mohammed Saad Khan, Changdae Keum (Santec Corporation), Nobuhiko Nishiyama (Tokyo Institute of Technology) OCS2020-18 OPE2020-41 LQE2020-21
We present a Micro Electro Mechanically Systems (MEMS) based tunable Vertical Cavity Surface Emitting Laser (VCSEL) for ... [more] OCS2020-18 OPE2020-41 LQE2020-21
MI 2020-01-30
Okinawa OKINAWAKEN SEINENKAIKAN Development of OCT Simulator using KTN Wavelength Swept Light Source.
Masashi Nakamura, Kazumi Murata, Koichi Ogawa (Hosei Univ.) MI2019-96
Optical Coherence Tomography (OCT) is used to acquire tomographic images in the retina of an eye. This is an imaging dev... [more] MI2019-96
LQE, OPE, CPM, EMD, R 2019-08-23
Miyagi   Optical deflector parameter measurement method for high precision of optical deflection technology using wavelength swept light source and diffraction grating
Masahiro Ueno, Yuichi Akage, Souichi Oka (NTT) R2019-32 EMD2019-30 CPM2019-31 OPE2019-59 LQE2019-37
Swept Source type LiDAR, which has vibration resistance due to the lack of mechanical parts, has attracted attention for... [more] R2019-32 EMD2019-30 CPM2019-31 OPE2019-59 LQE2019-37
ISEC, SITE, ICSS, EMM, HWS, BioX, IPSJ-CSEC, IPSJ-SPT [detail] 2019-07-24
Kochi Kochi University of Technology Recording device identification based on audio distortion depending on system-on-chip
Akira Nishimura (Tokyo Univ. Info. Sci.) ISEC2019-48 SITE2019-42 BioX2019-40 HWS2019-43 ICSS2019-46 EMM2019-51
This study addresses device-specific distortion observed in recorded
audio, to identify a built-in system-on-a-chip (... [more]
ISEC2019-48 SITE2019-42 BioX2019-40 HWS2019-43 ICSS2019-46 EMM2019-51
Kyoto Doshisha Univ. [Poster Presentation] A study of improving method for nonstationary noise contained in a measured impulse response
Wataru Kinoshita, Yutaka Kaneda (TDU) EA2018-93
The impulse response is an important system characteristic from which the frequency response and reverberation time of a... [more] EA2018-93
EA, ASJ-H, ASJ-AA 2018-07-24
Hokkaido Hokkaido Univ. [Poster Presentation] Effectiveness of BMN-SS impulse response measurement method for reverberation time measurement
Yohei Iiyama, Yutaka Kaneda (Tokyo Denki Univ) EA2018-6
The reverberation time is calculated from a room impulse response.
In this case, the steady power level of the noise co... [more]
Kanagawa YRP Channel Impulse Response Measurement Using USRP and GNU Radio Avoiding Uncertain Latency
Kaito Fukushima, Mika Kamishima, Yoji Yamada (NIT, Ishikawa College) SR2017-113
Channel impulse response measurements are important in wireless system design. A software-defined radio equipment (PC-SD... [more] SR2017-113
US 2017-10-05
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
R, EMD, CPM, LQE, OPE 2017-09-01
Aomori   Wide Wavelength Sweep & Low Voltage Operation of Tunable MEMSVCSEL Employing Mechanical Resonance
Shun Nishimura, Masanori Nakahama, Shunya Inoue, Akihiro Matutani, Takahiro Sakaguti, Fumio Koyama (Tokyo Inst. of Tech.) R2017-31 EMD2017-25 CPM2017-46 OPE2017-55 LQE2017-28
WWe demonstrated the low voltage and high speed wavelength sweep operation of 850 nm MEMS VCSELs by using high-Q mechani... [more] R2017-31 EMD2017-25 CPM2017-46 OPE2017-55 LQE2017-28
SP, SIP, EA 2017-03-02
Okinawa Okinawa Industry Support Center [Poster Presentation] Study of room acoustic characteristics calculation from an impulse response measured at high sound pressure
Ryo Takebayashi, Yutaka Kaneda (Tokyo Denki Univ.) EA2016-116 SIP2016-171 SP2016-111
When measuring an impulse response, it is possible to reduce the effect of ambient noise by measuring at a high sound pr... [more] EA2016-116 SIP2016-171 SP2016-111
(Joint) [detail]
Osaka Osaka Prefecture University(I-site Nanba) Transient Dynamics of Brillouin Acoustic Wave on Frequency Swept Pulse for Fiber Loss Monitoring
Hiroshi Takahashi, Kunihiro Toge, Chihiro Kito, Manabe Tetsuya (NTT) OFT2016-52 OPE2016-169
We have proposed pulsed pump-probe Brillouin optical time domain analysis (ERA-BOTDA) for optical fiber loss measurement... [more] OFT2016-52 OPE2016-169
pp.39-44(OFT), pp.49-54(OPE)
LQE, OPE, EMD, R, CPM 2016-08-25
Hokkaido   Stabilization of a Swept Light source for SS-OCT with a KTN Light Deflector
Masahiro Ueno, Tadayuki Imai, Takashi Sakamoto, Yuzo Sasaki, Seiji Toyoda, Joji Yamaguchi, Tadashi Sakamoto (NTT), Yukihiko Ushiyama (NTT-AT), Mahiro Yamada, Masatoshi Fujimoto (Hamamatsu Photonics) R2016-29 EMD2016-33 CPM2016-42 OPE2016-63 LQE2016-38
Electronic injection to a KTN crystal enables a deflector with a large deflection angle that is about 100m radians. It i... [more] R2016-29 EMD2016-33 CPM2016-42 OPE2016-63 LQE2016-38
EA, SP, SIP 2016-03-28
Oita Beppu International Convention Center B-ConPlaza [Invited Talk] Measurement signals for an acoustical impulse response
Yutaka Kaneda (Tokyo Denki Unov.) EA2015-68 SIP2015-117 SP2015-96
Various signals such as a time-stretched pulse and a maximum length sequence have been proposed for measuring an acousti... [more] EA2015-68 SIP2015-117 SP2015-96
Osaka Kansai University, Centenary Memorial Hall Study on reduction of periodic noise contained in an impulse response
Ko Makino, Yutaka Kaneda (Tokyo Denki Univ.) EA2015-60
Although the impulse response is an important acoustic characteristic of speakers or rooms, its signal-to-noise ratio (S... [more] EA2015-60
CPM, OPE, LQE, R, EMD 2015-08-27
Aomori Aomori-Bussankan-Asupamu Improvement of SNR in a SS-OCT with a KTN-based Light Source by Rescaling with High Accuracy
Masahiro Ueno, Seiji Toyoda, Takashi Sakamoto, Yuzo Sasaki, Tadashi Sakamoto (NTT) R2015-33 EMD2015-41 CPM2015-57 OPE2015-72 LQE2015-41
Optical coherence tomography (OCT) is an imaging technique with cell-level resolution. OCT with swept light source (SS-O... [more] R2015-33 EMD2015-41 CPM2015-57 OPE2015-72 LQE2015-41
EMD, LQE, OPE, CPM, R 2014-08-21
Hokkaido Otaru Economy Center Improvement of Coherence length and SNR in a 200-kHz Swept Light Source with a Wide-angle Electro-optic Scanner using KTN crystal
Masahiro Ueno, Seiji Toyoda, Takashi Sakamoto, Yuzo Sasaki, Junya Kobayashi (NTT) R2014-24 EMD2014-29 CPM2014-44 OPE2014-54 LQE2014-28
Optical coherence tomography (OCT) is an imaging technique with cell-level resolution. We have developed a light source ... [more] R2014-24 EMD2014-29 CPM2014-44 OPE2014-54 LQE2014-28
MWP 2013-04-26
Tokyo Kikai-Shinko-Kaikan Bldg. Terahertz Imaging Using Frequency Domain Optical-Coherence-Tomography Techniques
Toshiyuki Ikeo, Takayuki Isogawa (Osaka Univ.), Katsuhiro Ajito, Naoya Kukutsu (NTT), Tadao Nagatsuma (Osaka Univ.) MWP2013-1
In order to realize the non-destructive and non-contact inspection of objects by using terahertz (THz) waves, we propose... [more] MWP2013-1
EA 2012-06-08
Shizuoka Yamaha Co. Measurements for dynamic distortion of loud-speakers using swept-sine signal
Toru Sasaki, Kantaro Takada, Heitaro Nakajima (Bifrostec) EA2012-37
To evaluate the distortion of a loudspeaker, we considered the method to observe its dynamic-distortion by using a Swept... [more] EA2012-37
PRMU, HIP 2012-03-30
Hyogo   A Cone Based Electromagnetic 3D Ultrasound Calibration
Rong Xu, Jun Ohya, Bo Zhang (Waseda Univ.), Yoshinobu Sato (Osaka Univ.), Masakatsu G. Fujie (Waseda Univ.) PRMU2011-281 HIP2011-109
For a surgical navigation system with swept-volume 3D ultrasound images, it is necessary to estimate the extracted posit... [more] PRMU2011-281 HIP2011-109
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