International conference (Invited)
2024
- Generation and polarization control of coherent vacuum ultraviolet light using the nonlinear optical response of dielectric membrane metasurface
Kuniaki Konishi
2024 Annual Meeting of the Physical Society of Taiwan (2024/1/24, National Central University, Taoyuan, Taiwan)
2023
- The Visualization of Local Fluence Dependence in the Femtosecond Laser Processing of Dielectrics
Haruyuki Sakurai
The 84th JSAP Autumn Meeting 2023 [JSAP-Optica Joint Symposia 2023] (2023/9/19, Kumamoto, Japan) - Terahertz broadband anti-reflection moth-eye structures and its applications
Kuniaki Konishi
SPIE Optics + Photonics 2023 (2023/8/21, San Diego, USA) - Vacuum Ultraviolet Light Generation and Circular Polarization Control Using Dielectric Nanomembranes
Kuniaki Konishi
The 13th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META2023) (2023/7/19, Paris, France) - Broadband Anti-Reflection Moth-Eye Structures in the Terahertz Region Fabricated by Ultrashort- Pulsed Laser Processing
Kuniaki Konishi
The 9th International Conference on Antennas and Electromagnetic Systems (AES2023), (2023/6/8, Torremolinos, Spain)
2022
- Photonic crystal nanomembranes: a new tool for wavelength conversion and polarization control in the vacuum ultraviolet region
Kuniaki Konishi
SPIE Optics + Photonics 2022, 12201-7 (2022/8/21, San Diego, U.S.A) - Metamaterials for controlling and generating circular polarization
Kuniaki Konishi, Makoto Kuwata-Gonokami
EPS symposium on the third generation metamaterials (METAMATERIALS 3.1) (2022/8/3) - Generating THz pulses with longitudinal electromagnetic field
Kuniaki Konishi
Nanocarbon Photonics and Optoelectronics (NPO2022) (2022/8/1) - Development of Three-Dimensional Fabrication Technologies Using Laser Processing and 3D Printing for Terahertz Optics Production
Kuniaki Konishi
the 8th International Conference on Antennas and Electromagnetic Systems (AES2022) (2022/5/27)
International conference (Regular)
2024
- GHz burst pumped third-harmonic pulses for precise microfabrication of silicon
Haruyuki Sakurai, Kuniaki Konishi
SPIE Photonics West (2024/1/31, Sun Francisco, California, United States) - Fabrication of THz metalens by ultraviolet femtosecond laser ablation
Yuki Hakamada, Mizuho Matoba, Haruyuki Sakurai, Kuniaki Konishi
SPIE Photonics West (2024/1/31, Sun Francisco, California, United States) - Fabrication of functional hollow waveguide devices for electromagnetic waves in 200–400GHz band using UV-curable resin type 3D printer, RECILS
Kentaro Soeda, Kazunori Naganuma, Yoshinori Yamaguchi, Kuniaki Konishi, Hiroharu Tamaru, Norikatsu Mio, Hiroshi Ito, Junji Yumoto
SPIE Photonics West (2024/1/31, Sun Francisco, California, United States)
2023
- Lattice Type Dependence Of Transmittance Spectrum In Moth-eye Antireflective Structures
Rikuo Koike, Shotaro Kawano, Haruyuki Sakurai, Kuniaki Konishi, Norikatsu Mio
48th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2023) (2023/9/19, Montreal, Canada, Oral) - SLA 3D printer, RECILS enables low-loss waveguide bandpass filters for electromagnetic waves in 200-400GHz band at low cost
Kentaro Soeda, Kazunori Naganuma, Yoshinori Yamaguchi, Kuniaki Konishi, Hiroharu Tamaru, Norikatsu Mio, Hiroshi Ito, Junji Yumoto
Conference on Lasers in Manufacturing (LiM) 2023 (2023/6/26, Munich, Germany, Oral) - Comparison of ionization models in nonlinear propagation simulation in air for femtosecond laser ablation
Ryohei Yamada, Wataru Komatsubara, Haruyuki Sakurai, Kuniaki Konishi, Norikatsu Mio, Junji Yumoto, Makoto Kuwata Gonokami
The 24th International Symposium on Laser Precision Microfabrication (LPM2023) R3-S39-3 (2023/6/18, Hirosaki, Japan, Oral) - Predicting algorithm for laser processing parameters using spectral-domain optical coherence tomography
Masaki Hosoda, Daisuke Oida, Takumi Ishikawa, Haruyuki Sakurai, Kuniaki Konishi
SPIE. Photonics West 2023, Paper 12414-13,( 2023/2/2, San Francisco, California, United States )
2022
- Time-Resolved Complex Optical-Field Imaging of Laser Ablation Dynamics
Shotaro Kawano, Keiichiro Toda, Haruyuki Sakurai, Kuniaki Konishi, Takuro Ideguchi
IEEE Photonics Conference
ThG1.3 (2022/11/17, Vancouver, Canada, Oral) - 3D-Printed Waveguide For 220GHz-325GHz Band
Kentaro Soeda, Norikaza Naganuma, Kuniaki Konishi, Hiroharu Tamaru, Norikatsu Mio, Hiroshi Ito, Junji Yumoto
47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) 2022, Tu-AM-3-4 (2022/8/31, Delft, The Netherland, Oral) - Simulation Of Selective Excitation Of Dark Plasmon Modes In Single Metal Rods By Focused Terahertz Radial Beams
Mizuho Matoba, Kuniaki Konishi, Norikatsu Mio, Junji Yumoto, Makoto Kuwata-Gonokami
47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) 2022, Tu-AM-3-4 (2022/8/30, Delft, The Netherland, Oral) - Modeling of Nonlinear Propagation of Femtosecond Laser Pulse in Air for Laser Ablation
Ryohei Yamada, Wataru Komatsubara, Haruyuki Sakurai, Kuniaki Konishi, Norikatsu Mio, Junji Yumoto, Makoto Kuwata-Gonokami
Conference on Lasers and Electro-Optics 2022 (CLEO 2022) (2022/5/19, Poster) - Large diameter millimeter-wave low-pass filter made of alumina with laser ablated anti-reflection coating
Ryota Takaku, Qi Wen, Scott Cray, Mark Devlin, Simon Dicker, Shaul Hanany, Takashi Hasebe, Teruhito Iida, Nobuhiko Katayama, Kuniaki Konishi, Makoto Kuwata-Gonokami, Tomtoake Matsumura, Norikatsu Mio, Haruyuki Sakurai, Yuki Sakurai, Ryohei Yamada, Junji Yumoto
16th International Conference on Laser Ablation (COLA2021/2022) (2022/4/28, Shimane, Oral)
2021
- Evaluation of instrumental polarization of a 200 mm diameter achromatic HWP with anti-reflective structures and impact on TES non-linearity
R. Takaku, T. Ghigna, S. Hanany, Y. Hoshino, H. Ishino, N. Katayama, K. Komatsu, K. Konishi, M. Kuwata-Gonokami, T. Matsumura, H. Sakurai, Y. Sakurai, Q. Wen, N. Y. Yamasaki, J. Yumoto
19th International Workshop on Low Temperature Detectors (LTD19) (2021/7/29, Online, Poster) - Direct Correlation of Local Fluence to Ablation Morphology Created by a Single Femtosecond Laser Pulse
H. Sakurai, K. Konishi, H. Tamaru, J. Yumoto, M. Kuwata-Gonokami
CLEO/EUROPE-EQEC 2021 (2021/6/25, Online, Poster) - Time-Resolved Digital Holography System with High Phase Precision for Detail Observation in Laser Ablation Dynamics
S. Kawano, M. Tamamitsu, H. Sakurai, K. Konishi, T. Ideguchi, J. Yumoto, M. Kuwata-Gonokami
CLEO/EUROPE-EQEC 2021 (2021/6/25, Online, Oral) - Changes in the Intensity Distribution of the Laser Pulse due to Non-linear Optical Interaction with Air and Its Effects on Laser Ablation
R. Yamada, W. Komatsubara, H. Sakurai, K. Konishi, N. Mio, J. Yumoto, M. Kuwata-Gonokami
CLEO/EUROPE-EQEC 2021 (2021/6/24, Online, Oral) - Observation of Rotational Doppler Shift for Harmonic Generation in Solids
W. Komatsubara, K. Konishi, J. Yumoto, M. Kuwata-Gonokami
CLEO/EUROPE-EQEC 2021 (2021/6/24, Online, Oral) - CIRCULARLY POLARIZED VACUUM ULTRAVIOLET COHERENT LIGHT GENERATION USING A SQUARE LATTICE PHOTONIC CRYSTAL NANOMEMBRANE
Kuniaki Konishi, Daisuke Akai, Yoshio Mita, Makoto Ishida, Junji Yumoto, Makoto Kuwata-Gonokami
The 21st International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS 2021) (2021/6/25, Online, Oral) - RECILS: high resolution and high-speed SLA 3D printer using a plane building platform and a cylindrical glass window
Kentaro Soeda, Hirosuke Suzuki, Shuichi Yokobori, Kuniaki Konishi, Hiroharu Tamaru, Norikatsu Mio, Makoto Kuwata-Gonokami, Junji Yumoto
Lasers in Manufacturing 2021 (2021/6/22, Online, Oral) - Plasma dynamics induced by single-pulse femtosecond laser ablation of dielectrics and metals
Bruno Gonzalez-Izquierdo, Haruyuki Sakurai, Ryohei Yamada, Kuniaki Konishi, Makoto Kuwata-Gonokami, Junji Yumoto
Lasers in Manufacturing 2021 (2021/6/22, Online, Oral)
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