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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 47  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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 permittivity estimation in free-space method without antenna displacement
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
PN, MWP, EMT, PEM, IEE-EMT [detail] 2022-01-28
15:05
Online Online Estimation of refractive-index distribution under dielectric rough surface from the scattered far field using coupling analysis with volume and boundary elements
Jun-ichiro Sugisaka, Kenji Harada, Koichi Hirayama (Kitami Inst. Tech.) PN2021-47 EMT2021-63 MWP2021-52
Reconstruction of the defect shape under a rough dielectric surface from the scattered wave can be applied to detect a b... [more] PN2021-47 EMT2021-63 MWP2021-52
pp.79-84
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
13:00
Kyoto Dosisha Univ. Hybrid volume and boundary element method for estimation of small refractive index fluctuation in high-refractive-index inhomogeneous material
Jun-ichiro Sugisaka, Kenji Harada, Koichi Hirayama (Kitami Inst. Tech.) PN2019-39 EMT2019-79 MWP2019-53
 [more] PN2019-39 EMT2019-79 MWP2019-53
pp.21-26
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
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
EMT, IEE-EMT 2018-11-17
10:00
Tottori Kaike Grand Hotel Tensui(Yonago, Tottori) Inverse Scattering Analysis under Partially Coherent Illumination by Using Boundary-Integral Equations
Jun-ichiro Sugisaka, Takashi Yasui, Koichi Hirayama (Kitami Inst. Tech.) EMT2018-59
 [more] EMT2018-59
pp.139-144
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] 2018-07-19
11:25
Hokkaido   Analysis of Plasmonic Waveguide with Filter Characteristics
Ryo Ohnuma, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2018-10 MW2018-25 OPE2018-13 EST2018-8 MWP2018-9
In recent years, much attention has been given to plasmonic devices for optical waveguides. In this
work, employing a t... [more]
EMT2018-10 MW2018-25 OPE2018-13 EST2018-8 MWP2018-9
pp.23-26
MWP, OPE, EMT, MW, EST, IEE-EMT [detail] 2017-07-20
13:55
Hokkaido Obihiro Chamber of Commerce and Industry Analysis of Coupling between Plasmonic and Dielectric Waveguide
Ryo Ohnuma, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. of Tech.) EMT2017-10 MW2017-35 OPE2017-15 EST2017-12 MWP2017-12
In recent years, much attention has been given to plasmonic devices for optical waveguides. In this work, we analyze tra... [more] EMT2017-10 MW2017-35 OPE2017-15 EST2017-12 MWP2017-12
pp.29-32
 Results 1 - 20 of 47  /  [Next]  
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