A. Nishizawa, M. Otosaka, T. Matsuura and T. Tachizaki, "Optical and Optoacoustic Inspection of Niobium Trisulfide Whiskers," Journal of Physical Chemistry C, published online.»
Dr. ZZ and Mr. KM presented research progresses on THz spin dynamics/control in JPS Spring Meeting.
Dr. KZ talked about our development on TERS in JSAP conference as an invited.
Our paper on a technological development of Tip-enhanced Raman spectroscopy was awarded. Thanks collaboators! »
Mr Ibe presented developmental work on microscopic vibration measurement apparatus in EM-NANO2023.
Dr. ZZ will present research results on THz spin dynamics/control in Optica Nonlinear Optics Topical Meeting.
Dr. ZZ will present research progresses on THz spin dynamics/control in JPS Meeting.
Takehiro Tachizaki, Jeremy J. Baumberg, Osamu Matsuda, Motonobu Tomoda, Hirotsugu Ogi, and Oliver B. Wright, "Spectral analysis of amplitude and phase echoes in picosecond ultrasonics for strain pulse shape determination," Photoacoustics, 34, 100566 (2023).»
Takehiro Tachizaki, "3.8-octave broadband nearfield generation with high stability and high tolerance using a gradually varying thickness thin-film waveguide." AIP Advances 12, 055101 (2022).»
A book titled "Challenges and Prospects for Terahertz Wave Industry" that TT partially write a section about intense THz generation and its application for bio-science has published from CMC publishing Co. Ltd.»
T.T. will talk about technological advances in tip-enhanced Raman spectroscopy at SPIE Optics+Photonics 2022 in San Diego.»
Shoji Yoshida, Yusuke Arashida, Hideki Hirori, Takehiro Tachizaki, Atsushi Taninaka, Hiroki Ueno, Osamu Takeuchi, and Hidemi Shigekawa, "Terahertz Scanning Tunneling Microscopy for Visualizing Ultrafast Electron Motion in Nanoscale Potential Variations," ACS Photonics 8, 315-323 (2021).»
T.T. will talk about "Response of human induced pluripotent stem cells to terahertz radiation" in CLEO2021 (JM4F.4).
Zhang, Kaifeng; Bao, Yi-Fan; Cao, Maofeng; Taniguchi, Shin-ichi; Watanabe, Masahiro; Kambayashi, Takuya; Okamoto, Toshihiro; Haraguchi, Masanobu; Wang, Xiang; Kobayashi, Kei; Yamada, Hirofumi; Ren, Bin; Tachizaki, Takehiro, "Low-background Tip-enhanced Raman Spectroscopy Enabled by Plasmon Thin-film Waveguide Probe," Analytical Chemistry 93, 7699-7706 (2021).»
Takehiro Tachizaki, Kan Hayashi, Yoshihiko Kanemitsu, and Hideki Hirori, "On the progress of ultrafast time-resolved THz scanning tunneling microscopy," APL Materials 9, 060903 (2021).»
新型瞳フィルタによるウェーハ欠陥検出装置の高感度化の発明（特許第5216752号）により令和3年度全国発明表彰 発明賞を共同受賞しました．»
A.K. presented our research results in PIERS2021.»
電気学会 北陸支部の学術講演会にて高専5年生の方々にお話をいたしました。聴講ありがとうございました。»
Takehiro Tachizaki, Hiroyuki Mizuno, and Koji Sekiguchi, "Numerical study on the enhancement of the magneto-optic Kerr effect using a dielectric thin film", Japanese Journal of Applied Physics 59, SEEA06 1-5 (2020).»
Collaborator will talk about the terahertz combined STS in ICN+T2020, Vancouver.
Mr. K. Zhang talked about a technique on the tip-enhanced Raman spectroscopy in The 16th International Conference on Near-Field Optics, Nanophotonics and Related Techniques (NFO16).
We applied to the Japanese Patent Bureau for a patent related to THz technology.» JPO
Takehiro Tachizaki, Reiko Sakaguchi, Shiho Terada, Ken-ichiro Kamei, and Hideki Hirori, "Terahertz pulse-altered gene networks in human induced pluripotent stem cells", Optics Letters 45, 6078-6081 (2020).»
Mr. K.F. will talk about our research on TERS in 2019 Annual Meeting of the Spectroscopical Society of Japan. (Invited talk)
T.T. will talk about our theoretical work on magneto-optics in Magnetics and Optics Research International Symposium (MORIS 2019).
Shoji Yoshida, Hideki Hirori, Takehiro Tachizaki, Katsumasa Yoshioka, Yusuke Arashida, Zi-Han Wang, Yasuyuki Sanari, Osamu Takeuchi, Yoshihiko Kanemitsu, adn Hidemi Shigekawa,"Subcycle transient scanning tunneling spectroscopy with visualization of enhanced terahertz near field",
ACS Photonics 6, 1356-1364 (2019).
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Dr. Y. A. and Mr. I. I. will talk in JSPS Autumn Meeting titled "Direct observation of tip enhanced Terahertz waveform in Terahertz-induced scanning tunneling microscopy" and "Photo-induced carrier dynamics probed by time-resolved THz-STM", respectively.
Takehiro Tachizaki, Azusa Nakamoto Hattori, Hidekazu Tanaka, and Hideki Hirori, "Ultrafast reflectivity change of a vanadium dioxide induced by THz field enhanced by a metallic structuref",Japanese Journal of Applied Physics 58, 083002 1-4 (2019).
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Takehiro Tachizaki, Keifeng Zhang, Shin-ichi Taniguchi, and Takuya Kambayashi, "Dual-color near-field imaging be means of thin-film plasmonic waveguide with precise beam control of multiple wavelengths",Review of Scientific Instruments 90, 103701 (2019).
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Mr. K.Z. will talk about our developmetal work on TERS in The 7th International Conference On Tip-Enhanced Raman Spectroscopy in Xiamen.
”光学顕微鏡付き半導体欠陥レビューSEM”（特許第5216752号）で、令和元年度関東地方発明表彰 発明奨励賞を共同受賞しました．»
Kaifeng Zhang, Shin-ichi Taniguchi, and Takehiro Tachizaki,"Generation of broadband near-field optical spots using a thin-film silicon waveguide with gradually changing thickness,"
Optics Letters 43, 5937-5940 (2018).
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Yasuyuki Sanari, Takehiro Tachizaki, et al.,"Zener Tunneling Breakdown in Phase-Change Materials Revealed by Intense Terahertz Pulses",
Physical Review Letters 121, 165702 1-6 (2018).
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Koji Sekiguchi, Daichi Chiba, and Takehiro Tachizaki,"Time-domain propagating spin-wave spectroscopy for forward spin waves in a ferromagnetic metal",
Japanese Journal of Applied Physics 57, 0902B4 1-5 (2018).
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Mr. H. M. will report on theoretical study about magneto-optical Kerr effect on the multi-layer films.in The 40th PIERS in Toyama. »
Mr. K.Z. will report on the development of near-field optical spectroscopyin The 15th International Conference on Near-field Optics, Nanophotonics and Related Techniqeus (NFO-15) .
Takehiro Tachizaki, et al.,"Nanometer-precise optical length measurement using near-field scanning optical microscopy with sharpened single carbon nanotube probe",
Ultramicro. 186, 18 (2018).
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Mr. K.Z. reported the progress of our developmental work about tip-enhanced Raman scattering (TERS) microscopy in The Great Scientific Exchange (SciX 2017).
M. Watanabe, T. Tachizaki, and T. Nakata,"Optical imaging of nanosized structures by using plasmonically excited cascade nearfield coupling with a carbon nanotube probe",
J. Appl. Phys. 122(13), 133102 (2017).
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An article of the generation and application about mid-infrared wide band laser is printedin Optronics (2017) No.7 pp.101-104.
Result of our recent development about scanning near-field optical microscopy (NSOM) will be reported by Mr. K.Z. in The 14th International Conference on Near-field Optics, Nanophotonics and Related Techniqeus (NFO-14) .
Dr. T.T. will report on "High Reproducible Scanning Near-field Optical Microscopy with a Few Nanometer Lateral Spatial Resolution"in Microscopy & Microanalysis (M&M) 2016 in Columbus, OH.
Prof. M.A. will report on "Broadband mid-infrared difference frequency generation using apodized aperiodically poled LiNbO3 waveguide"at CLEO 2016 in San Jose.
Our research and development about single-nanometric near-field optical measurement technology will be reported by Dr. T.T. at JSAP Spring Meeting.
Our research and development about single-nanometric near-field optical measurement technology will be reported by Dr. T.N. at Progress In Electromagnetics Research Symposium (PIERS) 2015 in Prague.
Our experimental research titled "Effect of an intense terahertz pulse irradiation on a ferromagnetic disk with a magnetic vortex" will be reported by M.S.
at 70th JPS Annual Meeting (24aCN-8).
T.T. will lecture on state-of-the-art near-field optical measurement at 15th Technical Meeting on "Optical and Quantum Devices" sponsored by IEE Japan.
M. Takai, M. Takeda, M. Sasaki, T. Tachizaki, N, Yasumatsu, and S. Watanabe, "Video-rate terahertz electric-field vector camera",
Appl. Phys. Lett. 105(15), 151103(2014).
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Our research and development earn the honour of 2014 R&D100 Awards: T. Nakata, S. Baba, and T. Tachizaki, "Plasmon-Excitation Optical Scanning Probe Microscope (Optical SPM)"
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