Koichi Hirayama

Publication Activity (10 Years)

Years Active: 2006-2023
Publications (10 Years): 13

Top Topics

Boundary Element Method

Nelder Mead Simplex

Top Venues

IEICE Trans. Electron.

IEEE Trans. Instrum. Meas.

IEICE Electron. Express

Publications

Koichi Hirayama, Yoshiyuki Yanagimoto, Jun-ichiro Sugisaka, Takashi Yasui
Permittivity Estimation Based on Transmission Coefficient for Gaussian Beam in Free-Space Method. IEICE Trans. Electron. 106 (6) (2023)
Takashi Yasui, Jun-ichiro Sugisaka, Koichi Hirayama
Bending Loss Analysis of Chalcogenide Glass Channel Waveguides for Mid-Infrared Astrophotonic Devices. IEICE Trans. Electron. 106 (3) (2023)
Koichi Hirayama, Hiroyuki Deguchi
Foreword. IEICE Trans. Electron. (4) (2022)
Koichi Hirayama, Yoshiyuki Yanagimoto, Jun-ichiro Sugisaka, Takashi Yasui
Permittivity Measurement Method for Thin Sheets Using Split-Cylinder Resonator With Protrusions. IEEE Trans. Instrum. Meas. 71 (2022)
Takashi Yasui, Jun-ichiro Sugisaka, Koichi Hirayama
-Band. IEICE Trans. Electron. (8) (2021)
Koichi Hirayama, Hiroyuki Deguchi
Foreword. IEICE Trans. Electron. (4) (2021)
Jun-ichiro Sugisaka, Takashi Yasui, Koichi Hirayama
Reconstruction of Scatterer Shape from Relative Intensity of Scattered Field by Using Linearized Boundary Element Method. IEICE Trans. Electron. (2) (2020)
Koichi Hirayama, Jun-ichiro Sugisaka, Takashi Yasui
Design of Compact Long-Wavelength-Pass Filter in Metal-Dielectric-Metal Plasmonic Waveguide with Stubs Using Transmission Line Model. IEICE Trans. Electron. (1) (2020)
Akira Hirose, Koichi Hirayama
Foreword. IEICE Trans. Electron. (1) (2020)
Akira Hirose, Koichi Hirayama
Foreword. IEICE Trans. Electron. (1) (2019)
Akito Iguchi, Yasuhide Tsuji, Takashi Yasui, Koichi Hirayama
Topology optimal design for optical waveguides using time domain beam propagation method. IEICE Electron. Express 15 (11) (2018)
Jun-ichiro Sugisaka, Takashi Yasui, Koichi Hirayama
Efficient Analysis of Diffraction Grating with 10000 Random Grooves by Difference-Field Boundary Element Method. IEICE Trans. Electron. (1) (2017)
Jun-ichiro Sugisaka, Takashi Yasui, Koichi Hirayama
Efficient Scattering Analysis of Arbitrarily Shaped Local Defect in Diffraction Grating. IEICE Trans. Electron. (1) (2016)
Hiroyuki Goto, Yasuhide Tsuji, Takashi Yasui, Koichi Hirayama
A Study on Optimization of Waveguide Dispersion Property Using Function Expansion Based Topology Optimization Method. IEICE Trans. Electron. (7) (2014)
Koichi Hirayama, Yasuhide Tsuji, Shintaro Yamasaki, Shinji Nishiwaki
Design Optimization of H-Plane Waveguide Component by Level Set Method. IEICE Trans. Electron. (5) (2011)
Koichi Hirayama, Yasuhide Tsuji, Tsuyoshi Nomura, Kazuo Sato, Shinji Nishiwaki
Application of Topology Optimization to H-Plane Waveguide Component. IEICE Trans. Electron. (2) (2007)
Koichi Hirayama, Masatoshi Kanou, Yasuhide Tsuji, Masanori Koshiba
Curvilinear triangular-prism element for computation of band structure in photonic crystal slab. IEICE Electron. Express 3 (5) (2006)