(1) Karen Akatsuka, Kazumasa Hiramatsu and Atsushi Motoagito, “Fabrication and Evaluation of Narrow-Band Near-UV Light Absorber Using Fano Resonance in Al Nanohole Array Structure”,Technical Digest on International Symposium on Imaging, Sensing and Optical Memory (ISOM'23), pp.185-186 (2023).
(2) Atsushi Motoagito, Akitaka Harada and Kazumasa Hiramatsu, “Fabrication and Behavior Analysis of Surface Plasmon Sensor Using Non-propagating Mode in Metal Diffraction Grating”,Technical Digest on International Symposium on Imaging, Sensing and Optical Memory (ISOM'23), pp.35-36 (2023).
(3) Atsushi Motogaito, Seigi Shimizu, Karen Akatsuka, Kazumasa Hiramatsu , “Fabrication of Wavelength-Selective Visible-Absorbing Filter for 405-nm by Surface Plasmon Resonance”,Proceedings of the 2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), P_CM16_16 (2022).
(4) Atsushi Motoagito, Yukino Hayashi, Akinori Watanabe and Kazumasa Hiramatsu, “Fabrication of Polarization Control Devices using Metal Grating Structures ”,Technical Digest on the 26th Microoptics Conference (MOC 2021), pp.146-147 (2021).
(5) Atsushi Motoagito, Ryoga Tanaka and Kazumasa Hiramatsu, “Fabrication and characterization of plasmonic band-stop filter using Ag grating”, EPJ Web of Conferences (European Optical Society Annual Meeting (EOSAM2020)), 238, 05006 (2020).
(6) Atsushi Motoagito, Kazuki Matsuo and Kazumasa Hiramatsu, “Fabrication of SiO2-based Binary Diffractive Lens with Controllable Focal Distribution for High-Power Laser Applications”, Abstracts of the 9th Laser Display and Lighting Conference 2020 (LDC 2020), LDC10-04 (2020).
(7) Atsushi Motoagito and Akinori Watanabe, “Wave Plate Fabrication Using Surface Plasmon Polariton in a Ag Wire Grid ”, echnical Digest on the 24nd Microoptics Conference (MOC 2019), pp.250-251 (2019).
(8) Atsushi Motoagito, Yosuke Iguchi and Shuji Kato, “Diffractive lens for controlling the focal length and depth of focus by using binary structure of grating and diffractive condenser lens for laser processing application”, Abstracts of the Annual Joint Symposia on Optics, 30pBJ3 (2018)
(9) Atsushi Motogaito, Yusuke Ito, Hideto Miyake and Kazumasa Hiramatsu, “Considering the Origin of Surface Plasmon Polaritons for a Surface Plasmon Sen-sor with 1D Metal Grating Structure and Characterization of Sensitivity”, Abstracts of the JSAP-OSA Joint Symposia, 19p-211B-19 (2018).
(10) Atsushi Motogaito, Yousuke Iguchi, Shuji Kato, Hideto Miyake and Kazumasa Hiramatsu, “Fabrication and characterization of a binary diffractive lens for controlling the focal length and depth of focus”, Technical Digest on the 22nd Microoptics Conference (MOC 2017), pp.276-277 (2017).
(11) Yusuke Ito, Atsushi Motogaito, Hideto Miyake and Kazumasa Hiramatsu, “Characteristics of a Surface Plasmon Sensor using a 1d Metal Diffraction Grating”, Program book of the 11th Asia-Pacific Conference on Near-Field Optics (APNFO-11), p.132 (2017).
(12) Atsushi Motogaito, Tomoyasu Nakajima, Hideto Miyake and Kazumasa Hiramatsu, “The Mechanism of the Surface Plasmon Polariton in the Double-Layer Wire Grid Structure”, Program book of the 11th Asia-Pacific Conference on Near-Field Optics (APNFO-11), p.77 (2017).
(13) Atsushi Motogaito, Shinya Mito, Hideto Miyake and Kazumasa Hiramatsu, “Detecting High-refractive-index (n>1.5) Media using Surface Plasmon Sensor with One-dimensional Au Diffraction Grating on Glass Substrate”, Technical Digest on Light, Energy and the Environment 2016, JW4A.42 (2016)
(14) Atsushi Motogaito, Masanori Kito, Hideto Miyake, Kazumasa Hiramatsu, “The controlling of transmittance and reflectance of a 2D metal periodic grating structure for cold filter application”, Abstracts of the JSAP-OSA Joint Symposia, 13a-C302-5 (2016).
(15) Tomoyasu Nakajima, Atsusi Motogaito, Hideto Miyake, and Kazumasa Hiramatsu, “Relationship between space control and optical properties of a double-layer surface plasmon wire grid polarizer”, Abstracts of the 14th International Conference on Near-Field Optics, Nano Photonics and Related Technics (NFO14), p.227 (2016).
(16) Atsushi Motogaito, Naoki Hashimoto, Kazumasa Hiramatsu and Katsusuke Murakami, “Study of plant cultivation using a light-emitting diode illumination system to control spectral irradiance distribution”, Proceedings of the 15th International Symposium on the Science and Technology on Lighting (LS-15), pp.225-226 (2016).
(17) Shinya Mito, Atsushi Motogaito, Hideto Miyake and Kazumasa Hiramatsu, “Detection of high-refractive index media by a surface plasmon sensor using a one-dimensional metal diffraction grating”, Technical Digest on the 20th Microoptics Conference (MOC 2015) pp.126-127 (2015).
(18) Atsushi Motogaito, Yuuta Morishita, Hideto Miyake and Kazumasa Hiramatsu, “Transmission of the Double-layer Wire Grid Polarizer and its Dependence on the Incident Angle and the Periodical Structures”, Abstracts of the JSAP-OSA Joint Symposia, 13a-2C-5 (2015).
(19) Atsushi Motogaito, Yuuta Morishita, Hideto Miyake and Kazumasa Hiramatsu, “Polarization Property of a Double-layer Wire Grid Polarizer and the Mechanism of Transmission” Proceedings of ECIO-MOC 2014, P034 (2014).
(20) Atsushi Motogaito, Shohei Nakamura,Jyunn Miyazaki, Hideto Miyake and Kazumasa Hiramatsu, “Excitation of Surface Plasmon Polariton at the GaP–Au Interface in a High-Refractive-Index Medium”, Proceedings of ECIO-MOC 2014, P035 (2014).
(21) Shohei Nakamura, Atsushi Motogaito, Hideto Miyake and Kazumasa Hiramatsu, “Study on the Chemical Sensor Using Excitation of the Surface Plasmon Polariton with the GaP-Au Contact”, Abstracts of the JSAP-OSA Joint Symposia, 18p-D4-7 (2013).
(22) Shohei Nakamura, Atsushi Motogaito, Hideto Miyake and Kazumasa Hiramatsu, “The Excitation of the Surface Plasmon Polariton with the GaP-Au Contact and Application to Chemical Sensors”, Proceeding of the 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), TuPI-14 (2013).
(23) Atsushi Motogaito, Shohei Nakamura, Hideto Miyake and Kazumasa Hiramatsu, “Investigation of the surface plasmon polariton excitation conditions at a metal-semiconductor contact interface by simulation of reflectance characteristics”, Abstracts of the JSAP-OSA Joint Symposia, 11p-G1-7 (2012).
(24) Atsushi Motogaito, Kazuya Arakawa, Hideto Miyake, and Kazumasa Hiramatsu, “The dependence of the 1st order diffraction efficiency on the structures of binary diffractive lens with the 100 μm-order-focal lengths on a PET film”, Proceedings of the 2nd EOS Conference on Manufacturing of Optical Components, AMFT-4293 (2011).
(25) Atsushi Motogaito, Yuuta Seriguchi, Hideto Miyake, Kazumasa Hiramatsu and Hiroyuki Yoshino, “Fabrication and characterization of the binary diffractive concave lens with 2 mm-focal-length on a Cyclic Olefin Polymer film”, Proceedings of the 2nd EOS Conference on Manufacturing of Optical Components, AMFT-4294 (2011).
(26) Atsushi Motogaito, Kazuya Arakawa, Yuuji Nakayama, Hideto Miyake, and Kazumasa Hiramatsu, “Fabrication and characterization of binary diffractive lens with the 100 mm-order-focal length”, Technical Digest of the 16th Microoptics Conference (MOC 2010), pp. 209-210 (2010).
(27) Atsushi Motoagito, Narito Machida, Tadanori Morikawa, Katsuhide Manabe, Hideto Miyake and Kazumasa Hiramatsu, “Fabrication of the binary blazed diffractive lens for controlling the luminous intensity distribution of LED light”, Technical Diest on the 6th International Conference on Optics-photonics Design & Fabrication (ODF 2008), pp.219-220 (2008).
(28) Atsushi Motoagito, Katsuhide Manabe, Yuuki Yamanaka, Narito Machida, Hideto Miyake and Kazumasa Hiramatsu, “Optical characterization of Japanese papaers for application to the LED lighting system wih human sensitivity”, Proceedigs of the First International Conference on White LEDs and Solid State Lighting, pp.440-443 (2007).
(29) Atsushi Motogaito, Takahiro Yamada, Fumiaki Matsuoka and Kazumasa Hiramatsu, “Fabrication of GaN based photonic crystal by using electron beam lithography”, Abstract book 2nd International Conference Advanced Materials and Nanotechnology”, p.281 (2005)
(30) Atsushi Motogaito, Hironobu Watanabe, Kazumasa Hiramatsu, Kazutoshi Fukui, Yutaka Hamamura and Kazuyuki Tadatomo, “Characterization of GaN based Schottky UV detectors in the Vacuum UV (VUV) and the soft X-ray (SX) region (10-100 nm)”, Technical Digest on the 5th International Conference on Nitride Semiconductors, p.497 (2003).
(31) Kazumasa Hiramatsu, Hironori Yasukawa, Keiichi Ohta, Yoshihiro Kida, Atsushi Motogaito, Hideto Miyake, Youichiro Ohuchi, Kazuyuki Tadatomo, Yutaka Hamamura and Kazutoshi Fukui, “High performance Schottky UV detectors (265-100 nm) using n-Al0.5Ga0.5N on AlN epitaxial layer”, Technical Digest on the 5th International Conference on Nitride Semiconductors, p.161 (2003).
(32) Atsushi Motogaito, Keiichi Ohta, Hironobu Watanabe, Kazumasa Hiramatsu, Youichiro Ohuchi, Kazuyuki Tadatomo, Yutaka Hamamura and Kazutoshi Fukui, “Responsivity and Electrical Characteristics of GaN Based Schottky Barrier UV Detectors with Transparent Electrode in the Near UV and VUV Region”, Proceedings of 2002 Conference on Optoelectronic and Microelectronic Materials and Devices, pp.107-110 (2003).
(33) Atsushi Motogaito, Motoo Yamaguchi, Keiichi Ohta, Kazumasa Hiramatsu, Youichiro Ohuchi, Kazuyuki Tadatomo, Yutaka Hamamura and Kazutoshi Fukui, “Responsivity Spectra of GaN Based Schottky Barrier UV Detectors using Synchrotron Radiation”, Technical Program with Abstracts of the 43rd Electronic Materials Conference, p. 54 (2001).
(34) Hideto Miyake, Hiromitsu Mizutani, Katsuya Nishiyama, Atsushi Motogaito, Kazumasa Hiramatsu, Yasushi Iyechika and Takayoshi Maeda, “Reduction of Dislocation Density in GaN by Facet Controlled ELO”, Technical Digest on the International Workshop on Nitride Semiconductors (IWN2000), p.189 (2000).
(35) Kazumasa Hiramatsu, Hideto Miyake, Atsushi Motogaito, Hiroki Sone, Yasutoshi Kawaguchi, Nobuhiko Sawaki, Yasushi Iyechika and Takayoshi Maeda, “Crystalline and Optical Properties of ELO GaN Using W Mask by MOVPE and HVPE”, Program & Abstract Book on the Lateral Epitaxial Overgrowth Workshop, p.25 (1999).