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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 30  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMT, IEE-EMT 2020-11-05
13:25
Online Video Conf. 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.)
 [more]
CPM 2020-10-29
13:20
Online Online Study on Aging Method Able to Have Well Tast Ezoshika Meat
Soichiro Umemura, Masaru Sato, Takashi Yasui (Kitami Inst. of Tech), Mayumi B. Takeyama (Kitami Inst. of Tech/WOW)
 [more]
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
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
CPM 2018-08-10
09:50
Aomori Hirosaki Univ. Relationship between taste evaluation of Ezoshika meat and electrical measurement
Mayumi B. Takeyama (Kitami Inst. & Technol.), Shinji Yokogawa (UEC), Masaru Sato, Takashi Yasui (Kitami Inst. & Technol.) CPM2018-15
To reduce the damage on agriculture and forestry caused by the increase in the number of Ezoshika, the utilization of Ez... [more] CPM2018-15
pp.33-38
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
EMCJ, IEE-EMC, MW, EST [detail] 2016-10-21
10:55
Miyagi Tohoku Univ. Study on Topology Optimization of Optical Waveguide Devices Considering Polarization Dependence
Yasuhide Tsuji, Hiroyuki Chida (Muroran Inst. Tech.), Takashi Yasui, Koichi Hirayama (Kitami Inst. Tech.) EMCJ2016-77 MW2016-109 EST2016-73
 [more] EMCJ2016-77 MW2016-109 EST2016-73
pp.103-107
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-22
13:45
Hokkaido   Optimal design of a silica-based 2x2 MMI coupler using a genetic algorithm
Takashi Yasui, Jun-ichiro Sugisaka, Koichi Hirayama (Kitami Inst. Tech.) EMT2016-31 MW2016-62 OPE2016-43 EST2016-32 MWP2016-33
(To be available after the conference date) [more] EMT2016-31 MW2016-62 OPE2016-43 EST2016-32 MWP2016-33
pp.139-143
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-22
09:30
Hokkaido   Investigation on design of horn antenna and lens in free-space method
Yue Yin, Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. Tech.) EMT2016-33 MW2016-64 OPE2016-45 EST2016-34 MWP2016-35
 [more] EMT2016-33 MW2016-64 OPE2016-45 EST2016-34 MWP2016-35
pp.151-154
EST 2016-05-20
15:50
Tokyo Kikai-Shinko-Kaikan Bldg. A gradient based topology optimal design of optical waveguide devices with high refractive index contrast using FD-BPM
Akito Iguchi, Yasuhide Tsuji (Muroran Inst. of Tech.), Takashi Yasui, Koichi Hirayama (Kitami Inst. of Tech.) EST2016-5
In this paper, we study on a design of an optical waveguide device with high refractive index contrast based on a gradie... [more] EST2016-5
pp.21-26
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] 2016-01-28
16:25
Hyogo   Topology optimization method for three-dimentional optical waveguide devices using sensitivity analysis based on the adjoint variable method and FD-BPM
Akito Iguchi, Yasuhide Tsuji (Muroran Inst. of Tech.), Takashi Yasui, Koichi Hirayama (Kitami Inst. of Tech.) PN2015-56 EMT2015-107 OPE2015-169 LQE2015-156 EST2015-113 MWP2015-82
We study on the topology optimal design method of three dimensional optical waveguide devices based on sensitivity analy... [more] PN2015-56 EMT2015-107 OPE2015-169 LQE2015-156 EST2015-113 MWP2015-82
pp.141-146
EMT, IEE-EMT 2015-10-30
11:15
Miyazaki Holiday Inn ANA Resort Miyazaki A study on precision of estimated material parameters in free-space method
Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui (Kitami Inst. of Tech.) EMT2015-78
To improve the precision of estimated material parameters in free-space method, we study the effect on an antireflection... [more] EMT2015-78
pp.201-204
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