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International Conferences / Symposium (Presenter denoted with *)

  1. Ryo Kato*, Taka-aki Yano, and Takuo Tanaka, "Visualizing Optical Fields of Dielectric-Based Metamaterials via Mid-Infrared Photothermal Imaging," Global Nanophotonics 2022 (Core-to-Core Symposium GNP2022) (Osaka International Convention Center, Grand Cube, Osaka, Japan, 2022), Oral

  2. Taka-aki Yano*, Ryo Kato, and Takuo Tanaka, "Ultrasensitive plasmonic sensing of single biomolecular complexes," Global Nanophotonics 2022 (Core-to-Core Symposium GNP2022) (Osaka International Convention Center, Grand Cube, Osaka, Japan, 2022), Invited

  3. Ryo Kato*, Taka-aki Yano, and Takuo Tanaka, "Multimodal vibrational imaging based on mid-infrared photothermal microscopy," SPIE Photonics WEST 2022 (San Francisco, California, USA, 2022), Oral

  4. Taichi Hara, Ryo Kato, Taka-aki Yano, and Takuo Tanaka, "Metasurface-based perfect reflectors for highly-sensitive infrared spectroscopy," SPIE Photonics WEST 2022 (San Francisco, California, USA, 2022), Oral

  5. Akari Okimura, Ryo Kato, Taka-aki Yano, and Takuo Tanaka, "Tip-enhanced Raman analysis of inorganic-binding peptide molecules," SPIE Photonics WEST 2022 (San Francisco, California, USA, 2022), Poster

  6. Mitsuhiro Uesugi*, Yoshie Komatsu, Fusatoshi Okamoto, Ryo Kato, Takuo Tanaka, Taka-aki Yano, and Fumihisa Kitawaki, “Highly-stable Polymer Coating on Metallic Nanoparticles for Plasmonic Fluorescence Enhancement,” The 9th International Symposium on Surface Science (ISSS-9) at Online (January. 2021), Poster

  7. Ryo Kato*, Takayuki Umakoshi, Rhea Thankam Sam and Prabhat Verma “Characterizing nanoscale defects and wrinkles in MoS2 by tip-enhanced Raman spectroscopy” SPIE Photonics West 2020, OPTO, 11288-79, (San Francisco, February. 2020), Poster

  8. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Tip-enhanced Raman spectroscopic investigation of interwall interactions in multi-walled carbon nanotube” Global Nanophotonics 2019, P-06 (Taipei, December. 2019), Poster

  9. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Tip-Enhanced Raman Spectroscopic Observation of interwall interactions in multi-walled carbon nanotube” The 7th International Conference On Tip-Enhanced Raman Spectroscopy, Session5-3, (Xiamen, November. 2019), Oral

  10. Ryo Kato*, Takayuki Umakoshi, Rhea Thankam Sam and Prabhat Verma “Characterization of nanoscale defects and wrinkles in MoS2 by tip-enhanced Raman spectroscopy”  Student Conference on Light, P8, (Osaka, November. 2019) Poster

  11. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Investigating interwall interactions in multi-walled carbon nanotube by tip-enhanced Raman spectroscopy” SPIE Optics Photonics 2019, 11082-107, (San Diego, August. 2018), Poster

  12. Ryo Kato, Akihiro Kuno, Takayuki Umakoshi and Prabhat Verma*  “Tunable plasmon resonance for tip-enhanced Raman spectroscopy”  The 9th International Multidisciplinary Conference on Optofluidics 2019, 1.10 Sym1 (Hong Kong, China, June. 2019), invited

  13. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Nanoscale investigation of interwall interactions in multi-walled carbon nanotube by near-field Raman spectroscopy” International Symposium for Materials Scientists III, P56, (Osaka, November. 2018), Poster

  14. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Nanoscale Raman Study of Interwall Interactions in Multi-Walled Carbon Nanotube” JSCM 2018 ,P-07, (Osaka, September. 2018), Poster

  15. Ryo Kato, Takayuki Umakoshi and Prabhat Verma*  “New Approach for Background-Free Enhanced Nano Raman Spectroscopy”  The 26th International Conference on Raman Spectroscopy 2018, ThAM-01-I-2, (Jeju, Korea, August. 2018), invited

  16. Ryo Kato, Takayuki Umakoshi and Prabhat Verma*  “New approaches to Tip-enhanced Raman Spectroscopy”  The 39th Progress in Electromagnetics Research Symposium (PIERS), 170801005445 (Nanyang Technological University, Singpore, November. 2017), Invited

  17. Ryo Kato, Takayuki Umakoshi and Prabhat Verma*  “Nano-Light-Source for Background-Free Tip-Enhanced Raman Spectroscopy” Taiwan-Germany Workshop on Ultrafast Laser Spectroscopy and High-Resolution Optical Imaging of Plasmonics and Molecular Systems (Tuebingen, Germany, November. 2017)

  18. Ryo Kato*, Yuika Saito, Takayuki Umakoshi and Prabhat Verma  “Nano-scale imaging for absorption coefficient by two color Raman nano-light source”  International OSA Network of Students Conference, (Okinawa, Japan, October. 2017), Oral

  19. Ryo Kato*, Yuika Saito, Takayuki Umakoshi and Prabhat Verma  “Near-field absorption imaging by two color Raman nano-light source”   Frontier in Optics + Laser Science Conference, JW3A66, (Washington D.C, USA, September. 2017), Rapid oral and Poster

  20. Ryo Kato*, Yuika Saito, Takayuki Umakoshi and Prabhat Verma “Near-field visible light absorption imaging with two color lasers”  ICO-24th, 10350-27, (Tokyo, Japan, August. 2017), Oral

  21. Ryo Kato*, Yuika Saito, Takayuki Umakoshi and Prabhat Verma “Near-field visible light absorption imaging by Raman-nano-light source” SPIE Optics +Photonics 2017, 10350- 27, (San Diego, USA, August.2017), Oral

  22. Ryo Kato, Misaki Tanaka, Takayuki Umakoshi and Prabhat Verma* “New Approaches to Enhanced Raman Spectroscopies” The 7th International Conference on Nanoscience and Technology (Beijing, China, August. 2017), invited

  23. Ryo Kato, Misaki Tanaka, Takayuki Umakoshi and Prabhat Verma* “Unconventional Tip-Enhanced Raman Spectroscopy” 9th International Conference on Materials for Advanced Technologies (Suntec, Singapore, June. 2017), Invited

  24. Ryo Kato*, Yuika Saito and Prabhat Verma “Near-field Absorption Imaging by Novel Raman Nano-light Source” Global Nanophotonics 2016, p-15, (Osaka, Japan, December. 2016), Poster

  25. Ryo Kato*, Yuika Saito, Prabhat Verma “Nanoscale Absorption Imaging by Raman Excited Two Color Lights” Global Student Conference 2016, p-15, (Osaka, Japan, November. 2016), Poster

  26. Ryo Kato*, Yuika Saito, Hikaru Yoshino and Prabhat Verma “Near-field absorption imaging with nano-scale resolution” Asian CORE Student Meeting 2015, p-21, (Osaka, Japan, December. 2015), Poster

  27. Ryo Kato*, Yuika Saito, Hikaru Yoshino and Prabhat Verma “Nano-scale imaging based on near-field absorption” 5th International Conference on Tip Enhanced Raman Spectroscopy, p-26, (Osaka, Japan, October. 2015), Poster

  28. Rhea Thankam Sam*, Ryo Kato, Takayuki Umakoshi and Prabhat Verma, “Probing nanoscale inhomogeneities in few-layered MoS2 by tip-enhanced Raman spectroscopy” Global Nanophotonics 2019, P-04 (Taipei, December. 2019), Poster

  29. Rhea Thankam Sam*, Ryo Kato, Takayuki Umakoshi and Prabhat Verma “Probing nanoscale defects in MoS2by tip-enhanced Raman spectroscopy” The 7th International Conference on Tip-enhanced Raman Spectroscopy, P17, (Xiamen, November. 2019), Poster

  30. Akihiro Kuno, Ryo Kato, Takayuki Umakoshi and Prabhat Verma* “Tunable and background-free nanospectroscopy and nanoimaging through tip-enhanced Raman spectroscopy” SPIE Optics + Photonics 2018, 10722-6 (San Diego, USA, August. 2018), Invited

Domestic Conferences / Symposium (Presenter denoted with *)

  1. 沖村 あかり*, 加藤 遼, 矢野 隆章, 田中 拓男, "無機材料認識ペプチド分子のギャップモード探針増強ラマン分光," 第69回 応用物理学会春期学術講演会 （青山学院大学, 神奈川 2022)

  2. 原 太一*, 加藤 遼, 矢野 隆章, 田中 拓男, "中赤外誘電体メタマテリアルの開発と高感度赤外分光への応用," 第69回 応用物理学会春期学術講演会（青山学院大学, 神奈川 2022）

  3. 小松由枝*, 上杉充弘, 岡本房俊, 加藤遼, 田中拓男, 矢野隆章, 北脇文久, “金属ナノ粒子の安定的高分子被膜とプラズモン蛍光増強センサーへの応用,” 日本分析化学会第70年会 at Online (2021)　ポスター

  4. Akari Okimura*, Ryo Kato, Taka-aki Yano, Takuo Tanaka.  "Tip-enhanced Raman spectroscopy of single biomolecule".  Optics and Photonics Japan 2021, Joint symposia on Optics, 27aBJ3, online, October. 2021 口頭発表

  5. Taichi Hara*, Ryo Kato, Taka-aki Yano, Takuo Tanaka.  "Perfect dielectric-metamaterial reflectors for highly-sensitive infrared spectroscopy".  Optics and Photonics Japan 2021, Joint symposia on Optics, 27aBJ4, online, October. 2021　口頭発表

  6. 沖村 あかり*、加藤 遼 、矢野 隆章 、田中 拓男  "ギャップモード探針増強ラマン分光法を用いた無機材料認識ペプチドの単一分子分光" 日本分光学会年次講演会、BI-02、2021年10月　口頭発表

  7. 原 太一*、加藤 遼 、矢野 隆章 、田中 拓男  中赤外誘電体メタマテリアルの開発と高感度赤外分光への応用" 日本分光学会年次講演会、BI-14、2021年10月　口頭発表

  8. Ryo Kato*, Koki Taguchi, Ravi Yadav, Takayuki Umakoshi and Prabhat Verma “Highly Reproducible Gap-Mode Tip-Enhanced Raman Spectroscopy with One-Side Metal-Coated Cantilever Tips”  第81回応用物理学会秋季学術講演会JSAP-OSA joint symposia、 4.1 Plasmonic and Nanophotonics, 9p-Z16-3, (オンライン、2020年9月) 口頭発表

  9. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Near-field Raman Investigation of Interwall Interactions in Multi-Walled Carbon Nanotube” 第79回応用物理学会秋季学術講演会 JSAP-OSA Joint Symposia, 18a-211B-4, (名古屋、2018年9月) 口頭発表

  10. Ryo Kato*, Shun Igarashi, Takayuki Umakoshi and Prabhat Verma “Near-field Raman Study of Interwall Interactions in Multi-Walled Carbon Nanotube” 平成30年度日本分光学会年次講演会、 PⅢ-04, (横浜、2018年5月)　ポスター

  11. 加藤遼*、齊藤結花、馬越貴之、Prabhat Verma, “2 色ラマンナノ光源を用いた近接場可視光吸収イメージング”, 平成29年度日本分光学会年次講演会, (東京、2017年5月) 　口頭発表

  12. Ryo Kato*, Yuika Saito and Prabhat Verma “Near-field absorption imaging by two color nano-light source”講演奨励賞受賞記念特別招待講演、第66回応用物理学会春季学術講演会14a-C302-7　 (横浜、2017年3月)　口頭発表 

  13. Ryo Kato*, Yuika Saito and Prabhat Verma “Near-field absorption imaging by two color nano-light source” The 77th JSAP Autumn Meeting JSAP-OSA Joint Symposia, 14a-C302-7 (新潟、2016年9月)　口頭発表

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