Original paper
2024
NEW! S. Miyamura*, M. Higaki*, S. Taue, Y. Nakajima, Y. Tokizane, E. Hase, T. Minamikawa, and T.Yasui "Reduction of temperature drift in refractive-index-sensing optical frequency comb by active-dummy compensation of dual-comb configuration," J. Lightwave Technol., Early Access (2024). (*: Co-first authors).NEW! Yu Tokizane, Ayato Takashima, Eiji Hase, and Takeshi Yasui, “Dual-wavelength spiral interferometry,” Opt. Lett. Vol. 49, Issue 12, pp. 3516-3519 (2024). Katsuya Sato, Takeo Minamikawa, and Takeshi Yasui, "Raman spectroscopic evaluation of composition of matrix synthesized by osteoblasts under microvibration stimulation," Adv. Biomed. Engg., Vol. 13, 11-18 (2024). Yu Tokizane, Shota Okada, Takumi Kikuhara, Hiroki Kishikawa, Yasuhiro Okamura, Yoshihiro Makimoto, Kenji Nishimoto, Takeo Minamikawa, Eiji Hase, Jun-Ichi Fujikata, Masanobu Haraguchi, Atsushi Kanno, Shintaro Hisatake, Naoya Kuse, and Takeshi Yasui, "Wireless data transmission in the 560-GHz band utilizing terahertz wave generated through photomixing of a pair of distributed feedback lasers injection-locking to a Kerr micro-resonator soliton comb," Opt. Continuum, Vol. 3, Issue 1, pp. 1-8 (2024).
2023
NEW! Saya Matsuzaki, Eiji Hase, Hiroki Takanari, Yuri Hayashi, Yusaku Hayashi, Haruto Oshikata, Takeo Minamikawa, Satoko Kimura, Mayuko Ichimura-Shimizu, Takeshi Yasui, Masafumi Harada, and Koichi Tsuneyama, "Quantification of collagen fiber properties in alcoholic liver fibrosis using polarization-resolved second harmonic generation microscopy," Sci. Rep., Vol. 13, Art. 22100 (2023). 【Press Release 】 Shogo Miyamura, Ryo Oe, Takuya Nakahara, Hidenori Koresawa, Shota Okada, Shuji Taue, Yu Tokizane, Takeo Minamikawa, Taka-Aki Yano, Kunihiro Otsuka, Ayuko Sakane, Takuya Sasaki, Koji Yasutomo, Taira Kajisa, andTakeshi Yasui, "Rapid, high-sensitivity detection of biomolecules using dual-comb biosensing," Sci. Rep., Vol. 13, art. 14541 (2023). Hidenori Koresawa, Kota Seki, Kenji Nishimoto, Eiji Hase, Yu Tokizane, Taka-Aki Yano, Taira Kajisa, Takeo Minamikawa, and Takeshi Yasui, "Real-time hybrid angular-interrogation surface plasmon resonance sensor in the near-infrared region for wide dynamic range refractive index sensing," Sci. Rep., Vol. 13, art. 15655 (2023). Yudai Matsumura, Yu Tokizane, Eiji Hase, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Isao Morohashi, Atsushi Kanno, Shintaro Hisatake, and Takeshi Yasui, "Carrier conversion from terahertz wave to dual-wavelength near-infrared light for photonic terahertz detection in wireless communication," Opt. Express, Vol. 31, Issue 20, pp. 33103-33112 (2023). Takumi Yumoto, Wataru Kokuyama, Shinichi Matsubara, Takeshi Yasui, and Yoshiaki Nakajima, "All-polarization-maintaining dual-comb fiber laser with mechanically shared cavity configuration and micro-optic component" Opt. Continuum, Vol. 2, Issue 8, pp. 1867-1874 (2023). 【Press Release 】 Yu Tokizane, Shota Okada, Kenji Nishimoto, Yasuhiro Okamura, Hiroki Kishikawa, Takeo Minamikawa, Eiji Hase, Jun-ichi Fujikata, Masanobu Haraguchi, Atsushi Kanno, Shintaro Hisatake, Naoya Kuse, and Takeshi Yasui, "Terahertz wireless communication in a 560-GHz band using a Kerr micro-resonator soliton comb," Opt. Continuum, Vol. 2, Issue 5, pp. 1267-1275 (2023). Eiji Hase, Yu Tokizane, Kazuki Sadahiro, Takeo Minamikawa, Isao Morohashi, and Takeshi Yasui, "Nanometer-precision surface metrology of millimeter-sized stepped objects using full-cascade-linked synthetic-wavelength digital holography using a line-by-line full-mode-extracted optical frequency comb," Opt. Express, Vol. 31, Issue 11, pp. 18088-18097 (2023). Haruki Anzai, Shota Inoue, Yu Tokizane, Hiroko Yoshida, Takeshi Yasui, Fusao Shimokawa, and Noriaki Tsurumachi, "Magnetic strong coupling between rectangular hole metamaterials and Fabry–Pérot microcavity in THz region," Appl. Phys. Lett., Vol. 122, Issue 5, art. 051702 (2023).
2022
Takaaki Koma, Naoya Doi, Akihiro Suzuki, Kentaro Nagamatsu, Takeshi Yasui, Koji Yasutomo, Akio Adachi, Takeo Minamikawa, and Masako Nomaguchi, "Major target for UV-induced complete loss of HIV-1 infectivity: A model study of single-stranded RNA enveloped viruses," Fontiers in Virology, Vol. 2, 994842 (2022). Naoya Kuse, Kenji Nishimoto, Yu Tokizane, Shota Okada, Gabriele Navickaite, Michael Geiselmann, Kaoru Minoshima, and Takeshi Yasui, "Low phase noise THz generation from a fiber-referenced Kerr microresonator soliton comb," Communications Physics, Vol. 5, Art. 312 (2022). Taira Kajisa, Taka-aki Yano, Hidenori Koresawa, Kunihiro Otsuka, Ayuko Sakane, Takuya Sasaki, Koji Yasutomo, and Takeshi Yasui, "Highly sensitive detection of nucleocapsid protein from SARS-CoV-2 using a near-infrared surface plasmon resonance sensing system, Opt. Continuum Vol. 1, Issue 11, pp. 2336-2346 (2022) . Takeo Minamikawa, Eiji Hase, Mayuko Ichimura-Shimizu, Yuki Morimoto, Akihiro Suzuki, Takeshi Yasui, Satoko Nakamura, Akemi Tsutsui, Koichi Takaguchi, and Koichi Tsuneyama, "Assessment of ultra-early-stage liver fibrosis in human non-alcoholic fatty liver disease by second-harmonic generation microscopy," Int. J. Mol. Sci., Vol. 23, Issue 6, art. 3357 (2022). 【Editor's Pick】 Hidenori Koresawa, Kota Seki, Eiji Hase,Yu Tokizane, Takeo Minamikawa, Taka-aki Yano, Taira Kajisa, and Takeshi Yasui, "Beam-angle-scanning surface plasmon resonance sensor for rapid, high-precision sensing of refractive index and bio-molecules," Opt. Continuum, Vol. 1, Issue 3, pp. 565-574 (2022). Yu Tokizane, Takayoshi Yamaguchi, Takeo Minamikawa, Eiji Hase, Kenzo Yamaguchi, Akihiro Suzuki, Takao Ueda, and Takeshi Yasui, "Ultralow-frequency ultranarrow-bandwidth coherent terahertz imaging for nondestructive testing of mortar material," Opt. Express, Vol. 30, Issue 3, pp. 4392-4401 (2022). Taka-aki Yano, Taira Kajisa, Masayuki Ono, Yoshiya Miyasaka, Yuichi Hasegawa, Atsushi Saito, Kunihiro Otsuka, Ayuko Sakane, Takuya Sasaki, Koji Yasutomo, Rina Hamajima, Yuta Kanai, Takeshi Kobayashi, Yoshiharu Matsuura, Makoto Itonaga, and Takeshi Yasui, "Ultrasensitive detection of SARS-CoV-2 nucleocapsid protein using large gold nanoparticle-enhanced surface plasmon resonance," Sci. Rep., Vol. 12, art. 1060 (2022). 【Editor's Pick】 Kenji Nishimoto, Kaoru Minoshima, Takeshi Yasui, and Naoya Kuse, "Thermal control of Kerr microresonator soliton comb via an optical sideband," Opt. Lett., Vol. 47, Issue 2, pp. 281-284 (2022). Naoya Mukojima, Masaki Yasugi, Yasuhiro Mizutani, Takeshi Yasui, and Hirotsugu Yamamoto, "Deep-learning-assisted single-pixel imaging for gesture recognition in consideration of privacy," IEICE Transactions on Electronics, Vol. E105-C(2), online first (2022)
2021
Keita Hoshia, Kazuma Kusumoto, Airi Matsumoto, Atsushi Tabata, Hideaki Nagamune, Eiji Hase, Takeo Minamikawa, Takeshi Yasui, Yasushi Yoshida, Keiji Minagawa, Yasushi Imada, and Fumitoshi Yagishita, "Synthesis of D–π–A type benzothiazole–pyridinium salt composite and its application as photo-degradation agent for amyloid fibrils," Bioorganic & Medicinal Chemistry Letters, Vol. 50, No. 15, 128324 (2021). Kyuki Shibuya, Kouji Nawata, Yoshiaki Nakajima, Yuxi Fu, Eiji Rakahashi, Katsumi Midorikawa, Takeshi Yasui, and Hiroaki Minamide, "Characteristics of nonlinear terahertz-wave radiation generated by mid-infrared femtosecond pulse laser excitation,"Appl. Phys. Express, Vol. 14, No. 9, 092004 (2021). Keita Hoshi, Masami Itaya, Koki Tahara, Airi Matsumoto, Atsuhi Tabata, Hideaki Nagamune, Yasushi Yoshida, Eiji Hase, Takeo Minamikawa, Takeshi Yasui, Tetsuro Katayama, Akihiro Furube, Keiji Minagawa, Yasushi Imada and Fumitoshi Yagishita, "Two-photon excitable boron complex based on tridentate imidazo[1,5-a]pyridine ligand for heavyatom-free mitochondria-targeted photodynamic therapy," RSC Adv., Vol.11, 26403-26407 (2021). Naoya Kuse, Gabriele Navickaite, Michael Geiselmann, Takeshi Yasui, and Kaoru Minoshima, "Frequency-scanned microresonator soliton comb with tracking of the frequency of all comb modes," Opt. Lett., Vol. 46, Issue 14, pp. 3400-3403 (2021). Eiji Hase, Yu Tokizane, Masatomo Yamagiwa, Takeo Minamikawa, Hirotsugu Yamamoto, Isao Morohashi, and Takeshi Yasui, "Multicascade-linked synthetic-wavelength digital holography using a line-by-line spectral-shaped optical frequency comb," Opt. Express Vol. 29, Issue 10, pp. 15772-15785 (2021). Eiji Hase, Takeo Minamikawa, Katsuya Sato, Daisuke Yonekura, Mitsuhiko Takahashi, and Takeshi Yasui, "Quantitative evaluation of both histological and mechanical recovery in injured tendons using Fourier-transform second-harmonic-generation microscopy," IEEE J. Sel. Top. in Quant. Electron., Vol. 27, Issue 4, art. 6801608 (2021). Takeo Minamikawa, Takaaki Koma, Akihiro Suzuki, Takahiko Mizuno, Kentaro Nagamatsu, Hideaki Arimochi, Koichiro Tsuchiya, Kaoru Matsuoka, Takeshi Yasui, Koji Yasutomo, and Masako Nomaguchi, "Quantitative evaluation of SARS-CoV-2 inactivation using a deep ultraviolet light-emitting diode," Sci. Rep., Vol. 11, art. 5070 (2021). Yu Tokizane, Hikaru Ejiri, Takeo Minamikawa, Safumi Suzuki, Masahiro Asada, and Takeshi Yasui, "Hybrid optical imaging with near-infrared, mid-infrared, and terahertz wavelengths for non-destructive inspection," Appl. Opt., Vol. 60, No. 10, B100- B105 (2021). Takahiko Mizuno, Yoshiaki Nakajima, Yuya Hata, Takuya Tsuda, Akifumi Asahara, Takashi Kato, Takeo Minamikawa, Takeshi Yasui, and Kaoru Minoshima, "Computationally image-corrected dual-comb microscopy with a free-running single-cavity dual-comb fiber laser," Optics Express, Vol. 29, Issue 4, pp. 5018-5032 (2021). ; arXiv:2007.12800 (2020). [Press Release] Takahiko Mizuno, Eiji Hase, Takeo Minamikawa, Yu Tokizane, Ryo Oe, Hidenori Koresawa, Hirotsugu Yamamoto, and Takeshi Yasui, "Full-field fluorescence lifetime dual-comb microscopy using spectral mapping and frequency multiplexing of dual-comb optical beats," Science Advances, Vol. 7, No. 1, art. eabd2102(2021). ; arXiv:2003.09500 (2020).
2020
Keita Hoshi, Yohei Sanagawa, Ryuta Umebayashi, Atsushi Tabata, Hideaki Nagamune, Eiji Hase, Takeo Minamikawa, Takeshi Yasui, Yasushi Yoshida, Keiji Minagawa, Yasuhiko Kawamura, Yasushi Imada, and Fumitoshi Yagishita, "Synthesis and Optical Property of Quadrupolar Pyridinium Salt and Its Application as Bioimaging Agent," Chem. Lett., Vol.49, No.12, pp. 1487-1489 (2020). Eiji Hase, Hiroki Takanari, Keita Hoshi, Masaki Okamoto, Atsushi Tabata, Hideaki Nagamune, Takeo Minamikawa, Takeshi Yasui, Yasushi Yoshida, Keiji Minagawa, Yasuhiko Kawamura, Yasushi Imada, and Fumitoshi Yagishita, "Two- and three-photon excitable quaternized imidazo[1,2-a]pyridines for mitochondrial imaging and potent cancer therapy agent," Org. Biomol. Chem., Vol. 18, No. 38, pp. 7571-7576 (2020). K. Nishimoto, K. Minoshima, T. Yasui, and N. Kuse, "Generation of a microresonator soliton comb via current modulation of a DFB laser," OSA Continuum, Vol. 3, Issue 11, pp. 3218-3224 (2020) (2020). Takeo Minamikawa, Mayuko Ichimura-Shimizu, Hiroki Takanari, Yuki Morimoto, Ryosuke Shiomi, Hiroki Tanioka, Eiji Hase, Takeshi Yasui, and Koichi Tsuneyama, "Molecular imaging analysis of microvesicular and macrovesicular lipid droplets in non-alcoholic fatty liver disease by Raman microscopy," Sci. Rep., Vol. 10, 18548 (2020). Hidenori Koresawa, Marc Gouryeb, Kyuki Shibuya, Takahiko Mizuno, Eiji Hase, Yu Tokizane, Ryo Oe, Takeo Minamikawa, and Takeshi Yasui, "Dynamic characterization of polarization property in liquid-crystal-on-silicon spatial light modulator using dual-comb spectroscopic polarimetry," Opt. Express 28(16), 23584-23593 (2020). Kenji Nishimoto, Kaoru Minoshima, Takeshi Yasui, and Naoya Kuse, "Investigation of the phase noise of a microresonator soliton comb," Opt. Express, Vol. 28, Issue 13, pp. 19295-19303 (2020). 【Press release】 【Cover image 】 【 Top 10 Most Viewed Paper 】 Jie Chen, Kazuki Nitta, Xin Zhao, Takahiko Mizuno, Takeo Minamikawa, Francis Hindle, Zheng Zheng, and Takeshi Yasui,"Adaptive-sampling near-Doppler-limited terahertz dual-comb spectroscopy with a free-running single-cavity fiber laser," Adv. Photon. Vol. 2, Issue 3, art. 036004 (2020) ; arXiv:1908.01764 (2019). Takahiko Mizuno, Takuya Tsuda, Eiji Hase, Yu Tokizane, Ryo Oe, Hidenori Koresawa, Hirotsugu Yamamoto, Takeo Minamikawa, and Takeshi Yasui," Optical image amplification in dual-comb microscopy," Sci. Rep., Vol. 10 art. 8338 (2020 ).; arXiv:2001.07279 (2019) .
2019
Masatomo Yamagiwa, Takeo Minamikawa, Fui Minamiji, Takahiko Mizuno, Yu Tokizane, Ryo Oe, Hidenori Koresawa, Yasuhiro Mizutani, Tetsuo Iwata, Hirotsugu Yamamoto, and Takeshi Yasui,"Visualization of internal structure and internal stress in visibly opaque objects using full-field phase-shifting terahertz digital holography," Opt. Express, Vol. 27, Issue 23, 33854-33868 (2019). Tian Tian, Bin Cai, Qingqing Cheng, Cheng Fan, Yanyan Wang, Gongjie Xu, Fuxing Gu, Feng Liao, Okihiro Sugihara, Eiji Hase & Takeshi Yasui, "One-drop self-assembly of ultra-fine second-order organic nonlinear optical crystal nanowires," Nanoscale Res. Lett. Vol. 14, Art. 269 (2019). Ryo Oe, Takeo Minamikawa, Shuji Taue, Hidenori Koresawa, Takahiko Mizuno, Masatomo Yamagiwa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, and Takeshi Yasui, "Refractive index sensing with temperature compensation by a multimode-interference fiber-based optical frequency comb sensing cavity," Opt. Express, Vol. 27, Issue 15, 21463-21476 (2019). Yuki Ogura, Yuji Tanaka, Eiji Hase, Toyonobu Yamashita, and Takeshi Yasui, "Texture analysis of second-harmonic-generation images for quantitative analysis of reticular dermal collagen fiber in vivo in human facial cheek skin," Exp. Dermatol., Vol. 28, Issue 8, pp. 899-905 (2019). Hidenori Koresawa, Kyuki Shibuya, Takeo Minamikawa, Akifumi Asahara, Ryo Oe, Takahiko Mizuno, Masatomo Yamagiwa, Yasuhiro Mizutani, Tetsuo Iwata, Hirotsugu Yamamoto, Kaoru Minoshima, and Takeshi Yasui, "Lock-in-detection dual-comb spectroscopy," OSA Continuum, Vol. 2, Issue 6 pp. 11998-2007 (2019). Ryo Oe, Takeo Minamikawa, Shuji Taue, Takuya Nakahara, Hidenori Koresawa, Takahiko Mizuno, Masatomo Yamagiwa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Yoshiaki Nakajima, Kaoru Minoshima and Takeshi Yasui, "Improvement of dynamic range and repeatability in a refractive-index-sensing optical comb by combining saturable-absorber-mirror mode-locking with an intracavity multimode interference fiber sensor," Jpn. J. Appl. Phys., Vol. 58, Number 6, art. 060912 (2019). Takashi Ogura, Yoshiaki Nakajima, Yi-Da Hsieh, Takeo Minamikawa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Kaoru Minoshima, and Takeshi Yasui, "Lens-less fiber coupling of a 1550-nm mode-locked fiber laser light on a low-temperature-grown GaAs photoconductive antenna," OSA Continuum, Vol. 2, Issue 4, pp. 1310-1317 (2019). Takeo Minamikawa, Takashi Masuoka, Takashi Ogura, Kyuki Shibuya, Ryo Oe, Eiji Hase, Yoshiaki Nakajima, Yoshihisa Yamaoka, Takahiko Mizuno, Masatomo Yamagiwa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Kaoru Minoshima, and Takeshi Yasui, "Ultrasonic wave sensing using optical-frequency-comb sensing cavity for photoacoustic imaging," OSA Continuum, Vol. 2, Issue 2, pp. 439-449 (2019). Katsuya Sato, Oki Matsubara, Eiji Hase, Takeo Minamikawa, and Takeshi Yasui, "Quantitative in situ time-series evaluation of osteoblastic collagen synthesis under cyclic strain using second-harmonic-generation microscopy" J. Biomed. Opt., Vol. 24, No. 3, 031019 (2019). Eiji Hase, Takeo Minamikawa, Shuji Miyamoto, Ryuji Ichikawa, Yi-Da Hsieh, Yasuhiro Mizutani, Tetsuo Iwata, Hirotsugu Yamamoto, Takeshi Yasui, "Scan-less, kilo-pixel, line-field confocal phase imaging with spectrally encoded dual-comb microscopyn," IEEE J. Sel. Top. Quantum Electron., Vol. 25, Issue 1, 6801408 (2019). Shu-ichiro Fukushima, Makoto Yonetsu, and Takeshi Yasui, "Polarization-resolved second-harmonic-generation imaging of dermal collagen fiber in pre-wrinkled and wrinkled skins of ultraviolet-B-exposed mouse," J. Biomed. Opt., Vol. 24, No. 3, 031006 (2019). Yuki Ogura, Kosuke Atsuta, Eiji Hase, Takeo Minamikawa, and Takeshi Yasui, "Photonic-crystal-fiber-coupled, hand-held, polarization-resolved second-harmonic-generation microscope for in vivo visualization of dermal collagen fibers in human skin," IEEE J. Sel. Top. Quantum Electron., Vol. 25, Issue 1, 6801007 (2019). Eiji Hase, Takeo Minamikawa, Shuji Miyamoto, Yasuhiro Mizutani, Tetsuo Iwata, Hirotsugu Yamamoto, and Takeshi Yasui, "Application of scan-less two-dimensional confocal microscopy based on a combination of confocal slit with wavelength/space conversion," IEEE J. Sel. Top. Quantum Electron., Vol. 25, Issue 1, 7101407 (2019).
2018
Masatomo Yamagiwa, Takeo Minamikawa, Clément Trovato, Takayuki Ogawa, Dahi Ghareab Abdelsalam Ibrahim, Yusuke Kawahito, Ryo Oe, Kyuki Shibuya, Takahiko Mizuno, Emmanuel Abraham, Yasuhiro Mizutani, Tetsuo Iwata, Hirotsugu Yamamoto, Kaoru Minoshima, and Takeshi Yasui, "Multicascade-linked synthetic wavelength digital holography using an optical-comb-referenced frequency synthesizer," Opt. Express, Vol. 26, No. 20, pp. 26292-26306 (2018). Guoqing Hu , Tatsuya Mizuguchi , Ryo Oe , Kazuki Nitta , Xin Zhao , Dr. Takeo Minamikawa , Ting Li , Zheng Zheng, and Takeshi Yasui, "Dual terahertz comb spectroscopy with a single free-running fibre laser," Sci. Rep., Vol. 8, art. 11155 (2018). Ryo Oe, Shuji Taue, Takeo Minamikawa, Kosuke Nagai, Kyuki Shibuya, Takahiko Mizuno, Masatomo Yamagiwa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Hideki Fukano, Yoshiaki Nakajima, Kaoru Minoshima, and Takeshi Yasui, "Refractive-index-sensing optical comb based on photonic radio-frequency conversion with intracavity multi-mode interference fiber sensor," Opt. Express, Vol. 26, Issue15, pp. 19694-19706 (2018) Eiji Hase, Takeo Minamikawa, Takahiko Mizuno, Shuji Miyamoto, Ryuji Ichikawa, Yi-Da Hsieh, Kyuki Shibuya, Katsuya Sato, Yoshiaki Nakajima, Akifumi Asahara, Kaoru Minoshima, Yasuhiro Mizutani, Tetsuo Iwata, Hirotsugu Yamamoto, and Takeshi Yasui, "Scan-less confocal phase imaging based on dual-comb microscopy," Optica, Vol. 5, Issue 5, pp. 634-643 (2018). Yuki Ogura, Yuji Tanaka, Eiji Hase, Toyonobu Yamashita, and Takeshi Yasui, "Texture analysis of second-harmonic-generation images for quantitative analysis of reticular dermal collagen fiber in vivo in human facial cheek skin," Exp. Dermatol., first published (2018). Dahi Ghareab Abdelsalam Ibrahim and Takeshi Yasui, "Multi-object investigation using two-wavelength phase-shift interferometry guided by optical frequency comb,” Apl. Phys. Lett., Vol. 112, Issue 17, art. 171101 (2018). Dahi Ghareab Abdelsalam Ibrahim and Takeshi Yasui, "High-precision 3-D rough surface measurement using two-wavelength digital holography referenced by optical frequency comb,” Opt. Lett., Vol. 43, No. 8, pp. 1758-1761 (2018). Takeo Minamikawa, Takashi Ogura, Yoshiaki Nakajima, Eiji Hase, Yasuhiro Mizutani, Hirotsugu Yamamoto, Kaoru Minoshima, and Takeshi Yasui, "Strain sensing based on strain to radio-frequency conversion of optical frequency comb,” Opt. Express, Vol. 26, No. 8, 9484-9491 (2018). Masatomo Yamagiwa, Takayuki Ogawa, Takeo Minamikawa, Dahi Ghareab Abdelsalam, Kyosuke Okabe, Noriaki Tsurumachi, Yasuhiro Mizutani, Testuo Iwata, Hirotsugu Yamamoto, and Takeshi Yasui, "Real-time amplitude and phase imaging of optically opaque objects by combining full-field off-axis terahertz digital holography with angular spectrum reconstruction,” J. Infrared, Millimeter, and Terahertz Waves, Vol. 39, Issue 6, pp 561–572 (2018). Xin Zhao, Cui Li, Ruixiao Li, Ting Li, Guoqing Hu, Takeshi Yasui, and ZhengZheng, "Dead-band-free, high-resolution microwave frequency measurement using a free-running triple-comb fiber laser," IEEE J. Sel. Topics Quantum Electron., Vol. 24, Issue 3, art. 1101008 (2018). Y. Masuda, Y. Ogura, Y. Inagaki, T. Yasui, and Y. Aizu, "Analysis of the influence of collagen fibres in the dermis on skin optical reflectance by Monte Carlo simulation in a nine-layered skin model," Skin Rese. Tech., Vol. 24, No. 2, pp. 248-255 (2018).
2017
Mathilde Brossard, Harsono Cahyadi, Mathias Perrin, Jérôme Degert, Eric Freysz, Takeshi Yasui, and Emmanuel Abraham, "Direct wavefront measurement of terahertz pulses using two-dimensional electro-optic imaging," IEEE Transactions on Terahertz Science and Technology, Vol. 7 , Issue 6, 741-746 (2017). Takeo Minamikawa, Yi-Da Hsieh, Kyuki Shibuya, Eiji Hase, Yoshiki Kaneoka, Sho Okubo, Hajime Inaba, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, and Takeshi Yasui, "Dual-comb spectroscopic ellipsometry," Nature Communications, Vol. 8, art. 610 (2017).; arXiv: 1706.00002 (2017). Kyuki Shibuya, Takeo Minamikawa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Kaoru Minoshima, Takeshi Yasui, and Tetsuo Iwata, "Scan-less hyperspectral dual-comb single-pixel-imaging in both amplitude and phase," Opt. Express Vol. 25, Issue 18, pp. 21947-21957 (2017) ; arXiv: 1705.02428 (2017) .Guoqing Hu, Tatsuya Mizuguchi, Xin Zhao, Takeo Minamikawa, Takahiko Mizuno, Yuli Yang, Cui Li, Ming Bai, Zheng Zheng, Takeshi Yasui, "Measurement of absolute frequency of continuous-wave terahertz radiation in real time using a free-running, dual-wavelength mode-locked, erbium-doped fibre laser," Sci. Rep., Vol. 7, 42082 (2017). Dahi Ghareab Abdelsalam and Takeshi Yasui, "High brightness, low coherence, digital holographic microscopy for 3D visualization of in-vitro sandwiched biological sample," Appl. Opt., Vol. 56, Issue 13, pp. F1-F6 (2017). Emmanuel Abraham, Takayuki Ogawa, Mathilde Brossard, and Takeshi Yasui, "Interferometric terahertz wavefront analysis," IEEE J. Sel. Topics Quantum Electron., Vol. 23, No. 4, art. 8400505 (2017).
2016
Eiji Hase, Katsuya Sato, Daisuke Yonekura, Takeo Minamikawa, Mitsuo Takahashi, and Takeshi Yasui, "Evaluation of the histological and mechanical features of tendon healing in a rabbit model with the use of second-harmonic-generation imaging and tensile testing," Bone & Joint Research, Vol. 5, No. 11, pp. 577-585 (2016). Xin Zhao, Guoqing Hu, Bofeng Zhao, Cui Li, Yingling Pan, Ya Liu, Takeshi Yasui, and Zheng Zheng, "Picometer-resolution dual-comb spectroscopy with a free-running fiber laser,” Opt. Express, Vol. 24, Issue 19, pp. 21833-21845 (2016) Yi-Da Hsieh, Shota Nakamura, Dahi Ghareab Abdelsalam, Takeo Minamikawa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Francis Hindle, and Takeshi Yasui, "Dynamic terahertz spectroscopy of gas molecules mixed with unwanted aerosol under atmospheric pressure using fibre-based asynchronous-optical-sampling terahertz time-domain spectroscopy," Sci. Rep. 6, 28114 (2016). Yi-Da Hsieh, Hiroto Kimura, Kenta Hayashi, Takeo Minamikawa, Yasuhiro Mizutani, Hirotsugu Yamamoto, Tetsuo Iwata, Hajime Inaba, Kaoru Minoshima, Francis Hindle, and Takeshi Yasui, "Terahertz frequency-domain spectroscopy of low-pressure acetonitrile gas by a photomixing terahertz synthesizer referenced to dual optical frequency combs,” J. Infrared, Millimeter, and Terahertz Waves, Vol. 37, Issue 9, pp. 903-915(2016). Eiji Hase, Oki Matsubara, Takeo Minamikawa, Katsuya Sato, and Takeshi Yasui, "In situ time-series monitoring of collagen fibers produced by standing-cultured osteoblasts using a second-harmonic-generation microscope," Appl. Opt., Vol. 55, Issue 12, 3261-3267 (2016). T. Minamikawa, K. Hayashi, T. Mizuguchi, Y.-D. Hsieh, D. G. Abdelsalam, Y. Mizutani, H. Yamamoto, T. Iwata, and Takeshi Yasui, "Real-time determination of absolute frequency in continuous-wave terahertz radiation with a photocarrier terahertz frequency comb induced by an unstabilized femtosecond laser,” J. Infrared, Millimeter, and Terahertz Waves, Vol. 37, Issue 5, pp. 473-485(2016). E. Abraham, H. Cahyadi, M. Brossard, J. Degert, E. Freysz, and T. Yasui, "Development of a wavefront sensor for terahertz pulses,” Opt. Express, Vol. 24, Issue 5, pp. 5203-5211 (2016).
2015
S. Okubo, Y.-D. Hsieh, H. Inaba, A. Onae, M. Hashimoto, and T. Yasui, "Near-infrared broadband dual-frequency-comb spectroscopy with a resolution beyond the Fourier limit determined by the observation time windows,” Opt. Express, Vol. 23, Issue 26, pp. 33184-33193 (2015). T. Yasui, Y. Iyonaga, Y.-D. Hsieh, Y. Sakaguchi, F. Hindle, S. Yokoyama, T. Araki, and M. Hashimoto, "Super-resolution discrete Fourier transform spectroscopy beyond time window size limitation using precisely periodic pulsed radiation,” Optica, Vol. 2, Issue 5, pp. 460-467 (2015). ; arXiv:1412.3822 (2014) . T. Yasui, K. Hayashi, R. Ichikawa, H. Cahyadi, Y.-D. Hsieh, Y. Mizutani, H. Yamamoto, T. Iwata, H. Inaba, and K. Minoshima, "Real-time absolute frequency measurement of continuous-wave terahertz radiation based on dual terahertz combs of photocarriers with different frequency spacings,” Opt. Express, Vol. 23, Issue 9, pp. 11367-11377 (2015) .; arXiv:1501.06251 (2015) .T. Yasui, R. Ichikawa, Y.-D. Hsieh, K. Hayashi, H. Cahyadi, F. Hindle, Y. Sakaguchi, T. Iwata, Y. Mizutani, H. Yamamoto, K. Minoshima, and H. Inaba, "Adaptive sampling dual terahertz comb spectroscopy using dual free-running femtosecond lasers," Sci. Reports, Vol. 5, art. 10786 (2015) ; arXiv:1412.3830 (2014).
2014
T. Iwata, H. Uemura, Y. Mizutani, and T. Yasui, "Double-modulation reflection-type terahertz ellipsometer for measuring the thickness of a thin paint coating,” Opt. Express, Vol. 22, Iss. 17, pp. 20595–20606 (2014). T. Yasui, M. Fujio, S. Yokoyama, and T. Araki, " Phase-slope and phase measurements of tunable CW-THz radiation with terahertz comb for wide-dynamic-range, high-resolution, distance measurement of optically rough object,” Opt. Express, Vol. 22, Iss. 14, pp. 17349–17359 (2014). M. Yamanari, S. Nagase, S. Fukuda, K. Ishii, R. Tanaka, T. Yasui, T. Oshika, M. Miura, and Y. Yasuno, "Scleral birefringence as measured by polarization-sensitive optical coherence tomography and ocular biometric parameters of human eyes in vivo,” Biomed. Opt. Express, Vol. 5, Iss. 5, pp. 1391–1402 (2014). Y. Tanaka, E. Hase, S. Fukushima, Y. Ogura, T. Yamashita, T. Hirao, T. Araki, and T. Yasui, "Motion-artifact-robust, polarization-resolved second-harmonic-generation microscopy based on rapid polarization switching with electro-optic Pockells cell and its application to in vivo visualization of collagen fiber orientation in human facial skin,” Biomed. Opt. Express, Vol. 5, Iss. 4, pp. 1099–1113 (2014). Yi-Da Hsieh, Yuki Iyonaga, Yoshiyuki Sakaguchi, Shuko Yokoyama, Hajime Inaba, Kaoru Minoshima, Francis Hindle, Tsutomu Araki, and Takeshi Yasui, "Spectrally interleaved, comb-mode-resolved spectroscopy using swept dual terahertz combs,” Sci. Reports 4 , 3816 (2014).
2013
T. Iwata, S. Yoshioka, S. Nakamura, Y. Mizutani, and Takeshi Yasui, "Prediction of the thickness of a thin paint film by applying a modified partial-least-squares-1 method to data obtained in terahertz reflectometry,”J. Infrared, Millimeter, and Terahertz Waves, Volume 34, Issue 10, pp. 646-659 (2013). T. Yasui, Y.-D. Hsieh, Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, F. Hindle, and T. Araki, “Gapless dual-comb spectroscopy in terahertz region,” arXiv:1303.5799 (2013). R. Tanaka, S. Fukushima, K. Sasaki, Y. Tanaka, H. Murota, T. Matsumoto, T. Araki, and T. Yasui, "In vivo visualization of dermal collagen fiber in skin burn by collagen-sensitive second-harmonic-generation microscopy," J. Biomed. Opt., Vol. 18, No. 6, 061231 (2013). S. Nagase, M. Yamanari, R. Tanaka, T. Yasui, M. Miura, T.Iwasaki, H. Goto, Y. Yasuno mail, "Anisotropic Alteration of Scleral Birefringence to Uniaxial Mechanical Strain," PLOS ONE , Vol. 8, Issue 3, e58716 (2013). T. Yamashita, Y. Ogura, Y. Tanaka, R. Tanaka, T. Yasui, T. Araki, and T. Hirao, "Noninvasive in situ assessment of structural alteration of human dermis caused by photoaging using a novel collagen-specific imaging technique," IFSCC magazine, Vol. 16(1) P.3-7 (2013). Y.-D. Hsieh, Y. Iyonaga, Y. Sakaguchi, S. Yokoyama, H. Inaba, K. Minoshima, F. Hindle, Y. Takahashi, M. Yoshimura, Y. Mori, T. Araki, and T. Yasui, "Terahertz comb spectroscopy traceable to microwave frequency standard," IEEE Transactions on Terahertz Science and Technology, Vol. 3 , Issue 3, pp. 322-330 (2013). ［Opt. Express cover movie ］ M. Jewariya, E. Abraham, T. Kitaguchi, Y. Ohgi, M. Minami, T. Araki, and T. Yasui, "Fast three-dimensional terahertz computed tomography using real-time line projection of intense terahertz pulse," Opt. Express, Vol. 21, Issue 2, pp. 2423-2433 (2013). T. Yasui, M. Yonetsu, R. Tanaka, Y. Tanaka, S. Fukushima, T. Yamashita, Y. Ogura, T. Hirao, H. Murota, T. Araki, "In vivo observation of age-related structural changes of dermal collagen in human facial skin using collagen-sensitive second harmonic generation microscope equipped with 1250-nm mode-locked Cr:Forsterite laser," J. Biomed. Opt., Vol. 18, No. 3, 031108 (2013). (contributed review) T.Yasui, M. Jewariya, T. Yasuda, M. Schirmer, T. Araki, and E. Abraham, "Real-time two-dimensional spatio-temporal terahertz imaging based on non-collinear free-space electro-optic sampling and application to functional terahertz imaging of moving object," IEEE J. Selected Topics in Quantum Electron., Vol. 19, Issue 1, art. 8600110 (2013).
2012
T. Yasui, K. Kawamoto, Y.-D. Hsieh, Y. Sakaguchi, M. Jewariya, H. Inaba, K. Minoshima, F. Hindle, and T. Araki, "Enhancement of spectral resolution and accuracy in asynchronous-optical-sampling terahertz time-domain spectroscopy for low-pressure gas-phase analysis," Opt. Express Vol. 20, Iss. 14, pp. 15071–15078 (2012).
2011
F. Hindle, G. Mouret, S. Eliet, M. Guinet, A. Cuisset, R. Bocquet, T. Yasui, and D. Rovera, "Widely tunable THz synthesizer", Applied Physics B, Vol. 104, Number 4, pp. 763-768 (2011).
E. Abraham, Y. Ohgi, M. Minami, M. Jewariya, M. Nagai, T. Araki, and T. Yasui, "Real-time line projection for fast terahertz spectral computed tomography," Opt. Lett., Vol. 36, Issue 11, pp. 2119-2121 (2011). T. Yasui, H. Takahashi, K. Kawamoto, Y. Iwamoto, K. Arai, T. Araki, H. Inaba, and K. Minoshima, "Widely and continuously tunable terahertz synthesizer traceable to a microwave frequency standard", Opt. Express, Vol. 19, Issue 5, pp. 4428-4437 (2011). (invited review) T. Yasui, S. Yokoyama, H. Inaba, K. Minoshima, T. Nagatsuma, and T. Araki, "Terahertz frequency metrology based on frequency comb," IEEE J. Selected Topics in Quantum Electron., Vol. 17, Issue 1, pp. 191-201 (2011).
2010
T. Yasui, Y. Kabetani, Y. Ohgi, S. Yokoyama,, T. Araki,"Absolute distance measurement of optically rough objects using asynchronous-optical-sampling terahertz impulse ranging," Appl. Opt., Vol. 49 Issue 28, pp.5262-5270 (2010)
M. Schirmer, M. Fujio, M. Minami, J. Miura, T. Araki, and T. Yasui, "Biomedical applications of a real-time terahertz color scanner," Biomed. Opt. Express, Vol. 1, Issue 2, pp. 354-366 (2010) .
T. Yasui, M. Nose, A. Ihara, K. Kawamoto, S. Yokoyama, H. Inaba, K. Minoshima, and T. Araki, "Fiber-based, hybrid terahertz spectrometer using dual fiber combs," Opt. Lett., Vol. 35, Issue 10, pp. 1689-1691 (2010). T. Yasui, H. Takahashi, Y. Iwamoto, H. Inaba, and K Minoshima, "Continuously tunable, phase-locked, continuous-wave terahertz generator based on photomixing of two continuous-wave lasers locked to two independent optical combs," J. Appl. Phys., Volume 107, Issue 3, 033111 (2010)
2009
S. Yokoyama, T. Yokoyama, Y. Hagihara, T. Araki, and T. Yasui, "A distance meter using a terahertz intermode beat in an optical frequency comb", Opt. Express, Vol. 17, Issue 20, pp. 17324-17337 (2009).
T. Yasui, R. Nakamura, K. Kawamoto, A. Ihara, Y. Fujimoto, S. Yokoyama, H. Inaba, K. Minoshima, T. Nagatsuma, and T. Araki, "Real-time monitoring of continuous-wave terahertz radiation using a fiber-based, terahertz-comb-referenced spectrum analyzer", Opt. Express, Vol. 17, Issue 19, pp. 17034-17043 (2009). T. Yasui, Y. Takahashi, M. Ito, S. Fukushima, and T. Araki, "Ex vivo and in vivo second-harmonic-generation imaging of dermal collagen fiber in skin: comparison of imaging characteristics between mode-locked Cr:Forsterite and Ti:Sapphire lasers," Appl. Opt., Vol. 48, No. 10, pp.D88-D95 (2009). T. Yasui, Y. Takahashi, S. Fukushima, Y. Ogura, T. Yamashita, T. Kuwahara, T. Hirao, and T. Araki, "Observation of dermal collagen fiber in wrinkled skin using polarization-resolved secondharmonic-generation microscopy," Optics Express, Vol. 17, Issue 2, pp. 912-923 (2009).
2008
S. Yokoyama, R. Nakamura, M. Nose, T. Araki, and T. Yasui, "Terahertz spectrum analyzer based on a terahertz frequency comb", Opt. Express, Vol. 16, Issue 17, pp. 13052-13061 (2008).
T. Yasui, K. Sawanaka, A. Ihara, E. Abraham, M. Hashimoto, and T. Araki, "Real-time terahertz color scanner for moving objects," Opt. Express, Vol. 16(2), pp. 1208-1221 (2008).
2007
T. Yasuda, T. Iwata, T. Araki, and T. Yasui, "Improvement of minimum paint film thickness for THz paintmeters by multiple regression analysis", Appl. Opt. 46(30), pp. 7518-7526 (2007). N. Nakamura, H. Ogi, T. Yasui, M. Fujii, and M. Hirao, "Mechanism of elastic softening behavior in superlattice", Phys. Rev. Lett. 99 , 035502 (2007).
H. Ogi, M. Fujii, N. Nakamura, T. Yasui, M. Hirao, "Stiffened ultrathin Pt films confirmed by acoustic-phonon resonances", Phys. Rev. Lett. 98 , 195503 (2007).
2006
T. Yasuda, T. Yasui, T. Araki, and E. Abraham," Real-time two-dimensional terahertz tomography of moving objects", Opt. Comm., Vol. 267, pp. 128-136 (2006). T. Yasui, Y. Kabetani, E. Saneyoshi, S. Yokoyama, and T. Araki, "Terahertz frequency comb by multi-frequency-heterodyning photoconductive detection for high-accuracy, high-resolution terahertz spectroscopy", Appl. Phys. Lett., Vol. 88, 241104 (2006). N. Nakamura, H. Ogi, H. Nitta, H. Tanei, M. Fujii, T. Yasui, and M. Hirao, "
Y. Hori, Y. Yasuno, S. Sakai, M. Matsumoto, T. Sugawara, V. Madjarova, M. Yamanari, S. Makita, T. Yasui, T. Araki, M. Itoh, T. Yatagai, "Automatic characterization and segmentation of human skin using three-dimensional optical coherence tomography", Opt. Express, Vol. 14, Issue 5, pp. 1862-1877 (2006) Y. Hori, T. Yasui, and T. Araki, "Optical glucose monitoring based on femtosecond two-color pulse interferometry", Opt. Rev, Vol. 13(1), pp. 29-33 (2006).
2005
T. Yasui, K. Sasaki, Y. Tohno, and T. Araki, "Tomographic imaging of collagen fiber orientation in human tissue using depth-resolved polarimetry of second-harmonic-generation light", Opt. Quantum Electron., Vol. 37, pp. 1397-1408 (2005). T. Yasui, T. Yasuda, K. Sawanaka, and T. Araki, "A terahertz paintmeter for non-contact monitoring of thickness and drying progress in paint film", Appl. Opt., Vol. 44, No.32, pp. 6849-6856 (2005). T. Yasui, E. Saneyoshi and T. Araki, "Asynchronous optical sampling terahertz time-domain spectroscopy for ultrahigh spectral resolution and rapid data acquisition", Appl. Phys. Lett., Vol. 87, 061101 (2005). Y. Hori, T. Yasui and T. Araki, "Multiple-scattering-free optical glucose monitoring based on femtosecond pulse interferometry", Opt. Rev., Vol. 12, no. 3, pp. 202-206, (2005). T. Yasui and T. Araki, "Dependence of terahertz electric field on electric bias and modulation frequency in pulsed terahertz emission from electrically-modulated photoconductive antenna detected with free-space electro-optic sampling", Jpn. J. Appl. Phys., Vol. 44, No. 4A, pp. 1777-1780 (2005) .
2004
T. Yasui, Y. Tohno, and T. Araki, "Determination of collagen fiber orientation in human tissue by polarization measurement of molecular second-harmonic-generation light", Appl. Opt., Vol. 43, pp. 2861-2867 (2004). T. Yasui, Y. Tohno, and T. Araki, "Characterization of collagen orientation in human dermis by two-dimensional second-harmonic-generation polarimetry", J. Biomed. Opt., Vol. 9, No. 2, pp. 259-264 (2004).
2002
T. Yasui, K. Minoshima, E. Abraham, and H. Matsumoto, " Microscopic time-resolved two-dimensional imaging with a femtosecond amplifying optical Kerr gate", Appl. Opt., Vol. 41(24), pp.5191-5194 (2002).
2001
T. Yasui, K. Minoshima and H. Matsumoto, "Stabilization of femtosecond mode-locked Ti:sapphire laser for high-accuracy pulse interferometry", IEEE J. Quantum. Electron., Vol. 37 (1), pp.12-19 (2001).
2000
T. Yasui, K. Minoshima and H. Matsumoto, "Three-dimensional shape measurement of a diffusing surface by use of a femtosecond amplifying optical Kerr gate", Appl. Opt., Vol. 39 (1), pp.65-71 (2000).
1999
K. Minoshima, T. Yasui, E. Abraham, H. Matsumoto, G. Jonusauskas and C. Rulliere, "Three-dimensional imaging using a femtosecond amplifying optical Kerr gate", Opt. Eng., Vol.38(10), pp.1758-1762 (1999).
1997
T. Yasui, T. Araki and N. Suzuki, "Accurate stabilization of a 3 mW single-mode output He-Ne laser by intermittent frequency offset locking to an iodine stabilized He-Ne laser", Opt. Rev., Vol.4(6), pp.675-682 (1997).
1996
T. Yasui, T. Araki and N. Suzuki, "An intermittent frequency offset lock of a transverse Zeeman laser to an iodine stabilized He-Ne laser", Opt. Rev., Vol.3(3), pp.197-201 (1996).
T. Yasui, T. Araki and N. Suzuki, "Intermittent frequency offset lock of a symmetric three-mode stabilized He-Ne laser to an iodine stabilized He-Ne laser", Opt. Rev., Vol.3(6B), pp.528-534 (1996).
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