Kato Kosaku 加藤康作

Researcher Number	40751087
Other IDs	https://orcid.org/0000-0002-9977-7439
Affiliation (Current)	2026: 大阪大学, レーザー科学研究所, 特任助教(常勤)
Affiliation (based on the past Project Information) *help	2026: 大阪大学, レーザー科学研究所, 特任助教(常勤) 2022: 岡山大学, 自然科学研究科, 技術職員 2020 – 2021: 豊田工業大学, 工学(系)研究科(研究院), ポストドクトラル研究員 2017 – 2019: 大阪大学, レーザー科学研究所, 特任研究員 2016: 大阪大学, レーザーエネルギー学研究センター, 特任研究員
Review Section/Research Field	Principal Investigator Basic Section 30020:Optical engineering and photon science-related / Basic Section 36020:Energy-related chemistry / Optical engineering, Photon science Except Principal Investigator Optical engineering, Photon science
Keywords	Principal Investigator 磁場効果 / 磁場 / 過渡吸収分光 / 過渡吸収 / キャリアダイナミクス / 光触媒 / プリンテッドエレクトロニクス / 非線形光学 / テラヘルツ発生 / 分割リング共振器 … More / 金属ナノ構造 / メタマテリアル / プラズモン共鳴 / 金属インク / テラヘルツ波 … More Except Principal Investigator テラヘルツ光 / 有効屈折率 / 光学共鳴モード / 誘電体多層膜 / 透過スペクトル / テラヘルツ / スリットアレイ / 光学共鳴 / テラヘルツ波 / 人工誘電体 / メタルスリットアレイ / メタマテリアル Less

スピントロニックテラヘルツ素子におけるスピン密度空間分布の影響とその最適化Principal Investigator
- Principal Investigator
  
  加藤康作
- Project Period (FY)
  2026 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 30020:Optical engineering and photon science-related
- Research Institution
  The University of Osaka
Observation of carrier dynamics in powder photocatalysts under magnetic field and its applicationPrincipal Investigator
- Principal Investigator
  
  KATO Kosaku
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 36020:Energy-related chemistry
- Research Institution
  Okayama University
  Toyota Technological Institute
Terahertz emitter combining microstructures and nanostructures made of metal inkPrincipal Investigator
- Principal Investigator
  
  Kato Kosaku
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Optical engineering, Photon science
- Research Institution
  Osaka University
THz wave control using quasi-dielectric properties of the stacked metallic slit arrays
- Principal Investigator
  
  Tokuda Yasunori
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Optical engineering, Photon science
- Research Institution
  Okayama Prefectural University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016

All Journal Article Presentation

[Journal Article] Spectral Shape Control of Laser-Induced Terahertz Waves from Micro Split-Ring Resonators Made of Metallic Nanostructures2024
- Author(s)
  Phan Thanh Nhat Khoa、Kato Kosaku、Takano Keisuke、Fujioka Shinsuke、Nakajima Makoto
- Journal Title
  
  Photonics
  
  Volume: 11 Issue: 12 Pages: 1209-1209
- DOI
  10.3390/photonics11121209
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24H00317, KAKENHI-PROJECT-16K17530
[Journal Article] Particle Size-Dependent Trap States of Photoexcited Carriers in Anatase TiO2 Nanoparticles2023
- Author(s)
  Shimpei Naniwa, Kosaku Kato, Akira Yamamoto, Hisao Yoshida, Akira Yamakata
- Journal Title
  
  The Journal of Physical Chemistry C
  
  Volume: 127 Issue: 8 Pages: 4295-4302
- DOI
  10.1021/acs.jpcc.2c08125
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K21108, KAKENHI-PROJECT-20K15386, KAKENHI-PROJECT-19H02820, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-21H01975
[Journal Article] Role of Oxygen Vacancy in the Photocarrier Dynamics of WO3 Photocatalysts: The Case of Recombination Centers2022
- Author(s)
  Kato Kosaku、Uemura Yohei、Asakura Kiyotaka、Yamakata Akira
- Journal Title
  
  The Journal of Physical Chemistry C
  
  Volume: 126 Issue: 22 Pages: 9257-9263
- DOI
  10.1021/acs.jpcc.2c01662
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15386, KAKENHI-PROJECT-19H02820, KAKENHI-PLANNED-20H05838
[Journal Article] Forward and backward electron transfer on Pt loaded TiO2 photocatalysts under visible-light illumination2021
- Author(s)
  Naohiro Inoue, Kyohei Shiraki, Kosaku Kato, Shu Ashimura, Masaaki Yoshida, Akira Yamakata
- Journal Title
  
  Applied Physics Letters
  
  Volume: 119 Issue: 13 Pages: 133905-133905
- DOI
  10.1063/5.0065074
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-20K15386, KAKENHI-PROJECT-19H02820, KAKENHI-PROJECT-21H02050
[Journal Article] Core-Shell Double Doping of Zn and Ca on β-Ga2O3 Photocatalysts for Remarkable Water Splitting2021
- Author(s)
  Yamakata Akira、Vequizo Junie Jhon M.、Ogawa Takafumi、Kato Kosaku、Tsuboi Shoya、Furutani Naohiro、Ohtsuka Masahiro、Muto Shunsuke、Kuwabara Akihide、Sakata Yoshihisa
- Journal Title
  
  ACS Catalysis
  
  Volume: 11 Issue: 4 Pages: 1911-1919
- DOI
  10.1021/acscatal.0c05104
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K05669, KAKENHI-PROJECT-20K15386, KAKENHI-PUBLICLY-19H04708, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-19H02820, KAKENHI-PROJECT-21H04616
[Journal Article] Defect-Induced Acceleration and Deceleration of Photocarrier Recombination in SrTiO3 Powders2020
- Author(s)
  Kosaku Kato and Akira Yamakata
- Journal Title
  
  Journal of Physical Chemistry C
  
  Volume: 124 Issue: 20 Pages: 11057-11063
- DOI
  10.1021/acs.jpcc.0c03369
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-17H05491, KAKENHI-PROJECT-20K15386, KAKENHI-PUBLICLY-19H04708, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-19H02820
[Journal Article] Enhancement of photoelectrochemical activity of TiO2 electrode by particulate/dense double-layer formation2020
- Author(s)
  Hayashi Naruki、Kato Kosaku、Yamakata Akira
- Journal Title
  
  The Journal of Chemical Physics
  
  Volume: 152 Issue: 24 Pages: 241101-241101
- DOI
  10.1063/5.0010121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K15386, KAKENHI-PUBLICLY-19H04708, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-19H02820
[Journal Article] Marked effects of lateral displacement on the optical transmission properties of stacked artificial dielectric systems composed of metallic sub-wavelength slit arrays2019
- Author(s)
  Y. Tokuda, K. Sakaguchi, S. Watanabe, K. Kato, K. Takano, M. Nakajima, and K. Akiyama
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 58 Issue: 12 Pages: 122004-122004
- DOI
  10.7567/1347-4065/ab5248
- NAID
  210000157464
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K04982
[Journal Article] Waveguide resonance mode response of stacked structures of metallic sub-wavelength slit arrays2018
- Author(s)
  Y.Tokuda, K. Takano, K. Sakaguchi, K. Kato, M. Nakajima, and K. Akiyama
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 123 Issue: 18
- DOI
  10.1063/1.5027301
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K04982
[Journal Article] Insertion effects of natural dielectric between artificial dielectrics formed by metallic sub-wavelength slit arrays2018
- Author(s)
  Y. Tokuda, K. Takano, K. Sakaguchi, K. Kato, M. Nakajima, K. Akiyama
- Journal Title
  
  AIP Advances
  
  Volume: 8 Issue: 9 Pages: 95305-95305
- DOI
  10.1063/1.5043149
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K04982, KAKENHI-PUBLICLY-18H04515, KAKENHI-PROJECT-16H03886
[Journal Article] レーザー研究2017
- Author(s)
  加藤康作, 高野恵介, 田所譲, ファンタンニャコア, 中嶋誠
- Journal Title
  
  金属インク上に自発的に形成される複雑なナノ構造からのテラヘルツ波放射
  
  Volume: 45 Pages: 153-157
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K17530
[Journal Article] Terahertz wave generation from spontaneously formed nanostructures2016
- Author(s)
  K. Kato, K. Takano, Y. Tadokoro, and M. Nakajima
- Journal Title
  
  Opt. Lett
  
  Volume: 41 Issue: 9 Pages: 2125-2125
- DOI
  10.1364/ol.41.002125
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16H03886, KAKENHI-PROJECT-16H06025, KAKENHI-PROJECT-16K17530
[Journal Article] Terahertz pulse generation from metal nanoparticle ink2016
- Author(s)
  Kosaku Kato, Keisuke Takano, Yuzuru Tadokoro, Thanh Nhat Khoa Phan, and Makoto Nakajima
- Journal Title
  
  Proceedings of SPIE
  
  Volume: 10030 Pages: 1003005-1003005
- DOI
  10.1117/12.2247769
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K17530
[Presentation] 光触媒の磁場中キャリアダイナミクスの過渡吸収分光計測2022
- Author(s)
  加藤康作，山方啓
- Organizer
  日本化学会第102春季年会
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 光機能材料における励起ダイナミクスの時間分解分光2021
- Author(s)
  加藤康作，山方啓
- Organizer
  第15回物性科学領域横断研究会
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] Time-resolved spectroscopy of defect-induced effects on photocarrier dynamics in powder photocatalysts2021
- Author(s)
  Kosaku Kato，Shoya Tsuboi，Akira Yamakata
- Organizer
  Pacifichem2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 光触媒粉末のキャリアダイナミクスにおける欠陥の影響2021
- Author(s)
  加藤康作，山方啓
- Organizer
  2021年光化学討論会
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 広帯域過渡吸収分光法による光励起ダイナミクスの観測2021
- Author(s)
  加藤康作
- Organizer
  第2回動的エキシトン若手セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] WO3光触媒のキャリア再結合に対する酸素欠陥の影響2021
- Author(s)
  加藤康作，上村洋平，朝倉清高，山方啓
- Organizer
  第128回触媒討論会
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 粉末欠陥による光励起キャリアの再結合促進効果と抑制効果2020
- Author(s)
  加藤康作、姜君哲、酒多喜久、山方啓
- Organizer
  第1２６回触媒討論会
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 積層型メタルスリットアレイの透過特性に対する横ずれ効果2020
- Author(s)
  渡辺将伍, 坂口浩一郎, 加藤康作, 佐藤希真, 平松大輝, 山下拓真, 中嶋誠, 徳田安紀
- Organizer
  第67回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-16K04982
[Presentation] SrTiO3粉末の光励起キャリアダイナミクス2020
- Author(s)
  加藤康作、姜君哲、酒多喜久、山方啓
- Organizer
  第39回固体・表面光化学討論会
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 粉末欠陥における光励起キャリア緩和の初期過程2020
- Author(s)
  加藤康作、山方啓
- Organizer
  公益社団法人日本セラミックス協会第３３回秋季シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15386
[Presentation] 2段メタルスリットアレイ構造における誘電体の挿入効果2019
- Author(s)
  坂口浩一郎、加藤康作、高野恵介、渡辺将伍、中嶋誠、徳田安紀
- Organizer
  第66回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-16K04982
[Presentation] メタルスリットアレイ積層構造への誘電体挿入効果2019
- Author(s)
  徳田安紀，坂口浩一郎，渡辺将伍，加藤康作，中嶋誠
- Organizer
  光・量子ビーム科学合同シンポジウム2019
- Data Source
  KAKENHI-PROJECT-16K04982
[Presentation] 積層型メタルスリットアレイの光学共鳴モードのブルーシフト特性2018
- Author(s)
  坂口浩一郎，高野恵介，加藤康作，亀井大夢，津野志奈，渡辺将伍，中嶋誠，徳田安紀
- Organizer
  第79回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-16K04982
[Presentation] 積層型メタルスリットアレイのTHz透過特性の測定2018
- Author(s)
  徳田安紀, 加藤康作, 坂口浩一郎, 高野恵介, 中嶋誠
- Organizer
  光・量子ビーム科学合同シンポジウム2018
- Data Source
  KAKENHI-PROJECT-16K04982
[Presentation] 積層型メタルスリットアレイの光学共鳴モードのTHz計測2018
- Author(s)
  坂口浩一郎，高野恵介，加藤康作，中嶋誠，徳田安紀
- Organizer
  第65回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-16K04982
[Presentation] Enhanced Terahertz Emission from Micro Split Ring Resonator Fabricated from Nanoparticles2017
- Author(s)
  T. N. K. Phan, K. Kato, K. Takano, M. Yoshimura, H. Azechi, M. Nakajima
- Organizer
  第５回豊田理研ワークショップ「スピン秩序の動的光制御」
- Data Source
  KAKENHI-PROJECT-16K17530
[Presentation] Enhanced Terahertz Emission from Micro Structure Fabricated from Silver Nanoparticles2017
- Author(s)
  Phan Thanh Nhat Khoa, Kosaku Kato, Keisuke Takano, Masashi Yoshimura, Hiroshi Azechi, Makoto Nakajima
- Organizer
  The 6th Advanced Lasers and Photon Sources Conference (ALPS'17)
- Place of Presentation
  パシフィコ横浜, 神奈川県横浜市
- Year and Date
  2017-04-21
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17530
[Presentation] Enhanced Terahertz Emission from Micro Structure Fabricated from Silver Nanoparticles2017
- Author(s)
  T. N. K. Phan, K. Kato, K. Takano, M. Yoshimura, H. Azechi, M. Nakajima
- Organizer
  The 6th "Advanced Lasers and Photon Sources Conference" (ALPS'17)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17530
[Presentation] Terahertz Generation from Split Ring Resonator Array Fabricated from Silver Nano-Particles2017
- Author(s)
  Phan Thanh Nhat Khoa, Kosaku Kato, Keisuke Takano, Masashi Yoshimura, Hiroshi Azechi, Makoto Nakajima
- Organizer
  第64回応用物理学会春季学術講演会
- Place of Presentation
  パシフィコ横浜, 神奈川県横浜市
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PROJECT-16K17530
[Presentation] Terahertz radiation from nano-porous gold by irradiation of femtosecond laser pulse2016
- Author(s)
  T. Kashihara, K. Kato, K. Takano, M. Akbari, T. Ishihara, M. Yoshimura, and M. Nakajima
- Organizer
  The First A3 Metamaterials Forum
- Place of Presentation
  東北大学片平キャンパス、宮城県仙台市
- Year and Date
  2016-07-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17530
[Presentation] Terahertz pulse generation from metal nanoparticle ink2016
- Author(s)
  Kosaku Kato, Keisuke Takano, Yuzuru Tadokoro, Thanh Nhat Khoa Phan, and Makoto Nakajima
- Organizer
  SPIE/COS Photonics Asia 2016
- Place of Presentation
  Beijing, China
- Year and Date
  2016-10-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K17530

1. Tokuda Yasunori (80393502)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
2. 坂口浩一郎 (10551822)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
3. 高野恵介 (70583102)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
4. 山方啓

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
5. 中嶋誠

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
6. 酒多喜久

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
7. 吉田寿夫

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Kato Kosaku 加藤 康作

Research Projects

Research Products

Co-Researchers

スピントロニックテラヘルツ素子におけるスピン密度空間分布の影響とその最適化Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Observation of carrier dynamics in powder photocatalysts under magnetic field and its applicationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Terahertz emitter combining microstructures and nanostructures made of metal inkPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

THz wave control using quasi-dielectric properties of the stacked metallic slit arrays

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Spectral Shape Control of Laser-Induced Terahertz Waves from Micro Split-Ring Resonators Made of Metallic Nanostructures2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Particle Size-Dependent Trap States of Photoexcited Carriers in Anatase TiO2 Nanoparticles2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Role of Oxygen Vacancy in the Photocarrier Dynamics of WO3 Photocatalysts: The Case of Recombination Centers2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Forward and backward electron transfer on Pt loaded TiO2 photocatalysts under visible-light illumination2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Core-Shell Double Doping of Zn and Ca on β-Ga2O3 Photocatalysts for Remarkable Water Splitting2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Defect-Induced Acceleration and Deceleration of Photocarrier Recombination in SrTiO3 Powders2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Enhancement of photoelectrochemical activity of TiO2 electrode by particulate/dense double-layer formation2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Marked effects of lateral displacement on the optical transmission properties of stacked artificial dielectric systems composed of metallic sub-wavelength slit arrays2019

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Waveguide resonance mode response of stacked structures of metallic sub-wavelength slit arrays2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Insertion effects of natural dielectric between artificial dielectrics formed by metallic sub-wavelength slit arrays2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] レーザー研究2017

Kato Kosaku 加藤康作