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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 40  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMT, PN, MWPTHz, IEE-EMT [detail] 2024-01-22
10:05
Kyoto Kyoto Univ. Yoshida Campus Study on Conductivity Measurement Method Using Fabry-Perot Resonator
Koichi Hirayama (Kitami Inst. Tech.), Shana Yanagimoto (EM Labs), Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) PN2023-47 EMT2023-87 MWPTHz2023-75
A conductivity measurement using a Fabry-Perot resonator is investigated. In a previous study, the conductivity of a con... [more] PN2023-47 EMT2023-87 MWPTHz2023-75
pp.1-6
EMT, IEE-EMT 2023-11-09
14:45
Yamaguchi Kaikyo Messe Shimonoseki Design of Optical Linear Discriminant Filter Using Vector-Diffraction Analysis
Yukihiro Noto, Jun-ichiro Sugisaka, Koichi Hirayama, Takashi Yasui (Kitami Inst. Tech.) EMT2023-65
Optical linear-discriminant-analysis filter is a diffractive optical element with a large number of pinholes on the surf... [more] EMT2023-65
pp.15-20
EMT, IEE-EMT 2023-11-10
11:10
Yamaguchi Kaikyo Messe Shimonoseki Simultaneous Learning Algorithm of Optical Linear Discriminant Filter and Neural Network -- Application to the discrimination of fine three-dimensional defects on dielectric surfaces --
Shingo Shimada, Jun-ichiro Sugisaka, Koichi Hirayama, Takashi Yasui (Kitami Inst. Tech.) EMT2023-79
Various optical measurement methods using optical measurement technique and machine learning have been proposed to discr... [more] EMT2023-79
pp.91-95
EMT, IEE-EMT 2023-05-19
15:30
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp. Fine-Defect Discrimination on Dielectric Surface Using Optical Linear Discrimination Filter -- Filter Design Algorithm for Measurement of Weak Scattered Light --
Shingo Shimada, Jun-ichiro Sugisaka, Koichi Hirayama, Takashi Yasui (Kitami Inst. Tech.) EMT2023-6
Various optical measurement methods have been proposed to rapidly discriminate convexity or concavity of the defect on t... [more] EMT2023-6
pp.27-32
EMT, IEE-EMT 2022-11-17
10:00
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Generalization capability improvement of fine-defect discrimination on dielectric surface using optical linear discrimination analysis filter with error detection
Shingo Shimada, Jun-ichiro Sugisaka, Koichi Hirayama, Takashi Yasui (Kitami Inst. Tech.) EMT2022-53
Various optical measurement methods have been developed to precisely identify the defects on the surface of dielectric s... [more] EMT2022-53
pp.53-58
EMT, IEE-EMT 2022-11-18
10:45
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Study on Miniaturization of Free-Space Method in E-band
Koichi Hirayama (Kitami Inst. Tech.), Yoshiyuki Yanagimoto (EM Labs), Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2022-56
The free-space method, which measures S-parameters by placing a sample at the focus of a horn antenna with dielectric le... [more] EMT2022-56
pp.69-74
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
13:25
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Single-mode conditions of chalcogenide glass rib waveguides in mid-infrared region
Takaaki Nakajima, Takashi Yasui, Jun-ichiro Sugisaka, Koichi Hirayama (Kitami Inst. Tech.) EMT2022-23 MW2022-47 OPE2022-26 EST2022-24 MWPTHz2022-21
Recently, optical integrated circuits are beginning to be actively used in the field of observational astronomy.Chalcoge... [more] EMT2022-23 MW2022-47 OPE2022-26 EST2022-24 MWPTHz2022-21
pp.79-82
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-20
09:20
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
A Study on improvement of permittivity estimation over E band in free-space method
Yuki Imai, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2022-38 MW2022-62 OPE2022-41 EST2022-39 MWPTHz2022-36
In order to improve the accuracy of the dielectric constant of the sample, the free space method using a horn antenna wa... [more] EMT2022-38 MW2022-62 OPE2022-41 EST2022-39 MWPTHz2022-36
pp.147-150
EMT, IEE-EMT 2022-06-23
13:50
Tokyo The Institute of Electrical Engineers of Japan Shape tolerance analyes of three-dimensional fine-defect discrimination on dielectric surface using optical linear discrimination analysis
Shingo Shimada, Jun-ichiro Sugisaka, Koichi Hirayama, Takashi Yasui (Kitami Inst.Tech.) EMT2022-5
Measurement of a fine defect on a dielectric substrate is difficult because the relationship between the defect shape an... [more] EMT2022-5
pp.25-30
EMT, IEE-EMT 2021-11-05
10:25
Online Online Investigation on accuracy improvement of permittivity estimation in free-space method
Koichi Hirayama (Kitami Inst. Tech.), Yoshiyuki Yanagimoto (EM Labs), Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2021-41
In free-space method by use of horn antennas with dielectric lenses, improvement of the estimation accuracy of permittiv... [more] EMT2021-41
pp.67-70
EMT, MWP, PN, IEE-EMT [detail] 2021-01-21
10:00
Online Online Filter characteristics in 3D plasmonic waveguide by using optimization method
Hiroki Okamoto, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst Tech) PN2020-29 EMT2020-47 MWP2020-30
Recently, plasmonic waveguides are expected for compactness of optical integrated circuits in optical communication. We ... [more] PN2020-29 EMT2020-47 MWP2020-30
pp.1-6
EMT, IEE-EMT 2020-11-05
13:25
Online Online Measurement Method of Dependence on Temperature and Humidity in Complex Permittivity of Thin Plate by Split Cavity Resonator
Yasumasa Hagiuda, Koichi Hirayama (Kitami Inst. Tech.), Yoshiyuki Yanagimoto (EM Labs), Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2020-30
In order to measure the dependence on temperature and humidity in complex permittivity of a thin plate sample, we invest... [more] EMT2020-30
pp.17-20
MWP, PN, EMT, PEM, IEE-EMT [detail] 2020-01-30
13:25
Kyoto Dosisha Univ. Improvement of filter characteristics in plasmonic waveguide by using optimization method
Hiroki Okamoto, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) PN2019-40 EMT2019-80 MWP2019-54
 [more] PN2019-40 EMT2019-80 MWP2019-54
pp.27-32
EMT, IEE-EMT 2019-11-07
14:30
Saga Hotel Syunkeiya Design of computer-generated hologram for discrimination of concave and convex fine defects on dielectric surface
Jun-ichiro Sugisaka, Takashi Yasui, Koichi Hirayama (Kitami Inst. Tech.) EMT2019-47
Small defects on a flat surface can be measured from the phase information of the reflected light. However, discriminati... [more] EMT2019-47
pp.39-44
EMT, IEE-EMT 2019-11-07
14:05
Saga Hotel Syunkeiya A Study on Resonant Frequency Shift in Cavity Resonator on Estimation of Permittivity for Thin Plate
Koichi Hirayama (Kitami Inst. Tech.), Yoshiyuki Yanagimoto (KEAD), Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2019-55
First, in the case of a thin sample fully enclosed in the cavity, we deduced approximate expressions for all the resonan... [more] EMT2019-55
pp.105-109
CPM 2019-08-26
13:30
Hokkaido Kitami Institute of Technology Relationship between taste sensing evaluation of Ezoshika meat and bipelectrical impedance analysis
Mayumi B. Takeyama (Kitami Inst. Technol.), Shinji Yokogawa (UEC), Masaru Sato, Takashi Yasui (Kitami Inst. Technol.) CPM2019-37
 [more] CPM2019-37
pp.1-4
MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] 2019-07-18
14:20
Hokkaido Hakodate City Central Library Characteristics improvement of wavelength filter in plasmonic waveguide by using K inverter
Hiroki Okamoto, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2019-14 MW2019-27 OPE2019-18 EST2019-16 MWP2019-14
Plasmonic waveguide has been recently expected to reduce the size of optical integrated circuit. In this paper, we desig... [more] EMT2019-14 MW2019-27 OPE2019-18 EST2019-16 MWP2019-14
pp.47-52
MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] 2019-07-18
13:15
Hokkaido Hakodate City Central Library Structural Optimization of Optical 90°-Hybrids Based on weakly guided 4×4 Multimode Interference Coupler Using a Real-Coded Micro-Genetic Algorithm
Namiki Toyosu, Takashi Yasui, Jun-ichiro Sugisaka, Koichi Hirayama (Kitami Inst. of Tech.) EMT2019-24 MW2019-37 OPE2019-28 EST2019-26 MWP2019-24
We propose a structual optimization method based on a genetic alogorithm (GA) which is combined
a real coded GA and μGA... [more]
EMT2019-24 MW2019-37 OPE2019-28 EST2019-26 MWP2019-24
pp.107-112
EMT, IEE-EMT 2019-05-24
11:00
Tokyo Tokyo Metro. Col. of Ind. Tech. (Shinagawa CP) Effect of grrove in cavity resonator on estimation of complex permittivity of thin plate
Koichi Hirayama (Kitami Inst. Tech.), Yoshiyuki Yanagimoto (KEAD), Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2019-1
(To be available after the conference date) [more] EMT2019-1
pp.1-4
EMT, IEE-EMT 2018-11-15
13:20
Tottori Kaike Grand Hotel Tensui(Yonago, Tottori) Analysis of Plasmonic Waveguide Filter Connected to Si Waveguide
Koichi Hirayama, Ryo Ohnuma, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2018-47
We demonstrate a plasmonic waveguide filter of an MIM (Metal-Insulator-Metal) structure with equal-ripple 0.5dB or maxim... [more] EMT2018-47
pp.25-30
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