Prof. Takayoshi Kobayashi Profile

Prof. Takayoshi Kobayashi

Professor at Univ of Electro Communications

SPIE Involvement:

Author

Publications (24)

SPIE Journal Paper | 14 March 2017 Open Access

Gray-level co-occurrence matrix analysis of several cell types in mouse brain using resolution-enhanced photothermal microscopy

Takayoshi Kobayashi, Durga Sundaram, Kazuaki Nakata, Hiromichi Tsurui

JBO, Vol. 22, Issue 03, 036011, (March 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.3.036011

KEYWORDS: Brain, Neurons, Microscopy, Laser beam diagnostics, Biological research, Glia, Cerebellum, Image resolution, Neuroimaging, Spatial resolution

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Proceedings Article | 21 October 2015 Paper

Sub-diffraction-limit imaging using mode multiplexing

Nan Wang, Jinping He, Jun Miyazaki, Hiromichi Tsurui, Takayoshi Kobayashi

Proceedings Volume 9636, 96360A (2015) https://doi.org/10.1117/12.2186137

KEYWORDS: Luminescence, Confocal microscopy, Microscopy, Multiplexing, Image resolution, Beam splitters, Resolution enhancement technologies, Signal to noise ratio, Microscopes, Mirrors

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Proceedings Article | 14 July 2015 Paper

Femtosecond laser-induced pre-damage dynamics in Al2O3/SiO2 mirror

Juan Du, Zehan Li, Bing Xue, Takayoshi Kobayashi, Dongjia Han, Yuanan Zhao, Yuxin Leng

Proceedings Volume 9532, 953209 (2015) https://doi.org/10.1117/12.2186934

KEYWORDS: Picosecond phenomena, Pulsed laser operation, Absorption, Femtosecond phenomena, Ultraviolet radiation, Reflectors, Mirrors, Ultrafast phenomena, Carrier dynamics, Ionization

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Proceedings Article | 4 November 2014 Paper

Ultrafast UV laser-induced dynamics in fused silica

Juan Du, Bing Xue, Jun Liu, Zehan Li, Takayoshi Kobayashi, Yuanan Zhao, Yuxin Leng

Proceedings Volume 9237, 92371N (2014) https://doi.org/10.1117/12.2068097

KEYWORDS: Ultraviolet radiation, Pulsed laser operation, Silica, Ultrafast phenomena, Excitons, Femtosecond phenomena, Absorption, Laser damage threshold, Laser induced damage, Dielectrics

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Proceedings Article | 22 September 2014 Paper

Ultrafast UV laser induced dynamics in dielectric coating materials before laser damage

Juan Du, Zehan Li, Takayoshi Kobayashi, Yuanan Zhao, Yuxin Leng

Proceedings Volume 9238, 923805 (2014) https://doi.org/10.1117/12.2073613

KEYWORDS: Ultraviolet radiation, Ultrafast phenomena, Laser induced damage, Pulsed laser operation, Coating, Excitons, Dielectrics, Silica, Femtosecond phenomena, Ionization

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Proceedings Article | 14 March 2013 Paper

Ultrafast dynamics in topological insulators

C. Luo, H.-J. Chen, H. J. Wang, S. A. Ku, K. H. Wu, T. M. Uen, J. Y. Juang, J.-Y. Lin, B. L. Young, T. Kobayashi, R. Sankar, F. C. Chou, H. Berger, G. D. Gu

Proceedings Volume 8623, 86230D (2013) https://doi.org/10.1117/12.2001954

KEYWORDS: Crystals, Phonons, Chemical species, Picosecond phenomena, Bismuth, Mid-IR, Copper, Spectroscopy, Ultrafast phenomena, Reflectivity

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Proceedings Article | 10 October 2012 Paper

Fast trapping force calculation by utilizing graphic processing unit

Sheng-Yang Tseng, Ai-Tang Chang, Chih-Wei Luo, Long Hsu, Takayoshi Kobayashi

Proceedings Volume 8458, 84582Y (2012) https://doi.org/10.1117/12.929238

KEYWORDS: Particles, Objectives, Graphics processing units, Optical design, Optical tweezers, Geometrical optics, Refractive index, Scattering, C++, Computer architecture

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SPIE Journal Paper | 1 December 2009

Broadband sum-frequency mixing in some recently developed nonlinear optical crystals

Manajit Chattopadhyay, Pathik Kumbhakar, Takayoshi Kobayashi

OE, Vol. 48, Issue 12, 124201, (December 2009) https://doi.org/10.1117/12.10.1117/1.3275743

KEYWORDS: Crystals, Atomic force microscopy, Nonlinear crystals, Visible radiation, Laser crystals, Nonlinear optics, Optical engineering, Sapphire lasers, Ultrafast phenomena, Phase matching

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Proceedings Article | 4 April 2005 Paper

Real-time spectroscopy to clarify the mechanism of ultrafast nonlinearity

Takayoshi Kobayashi, Mitsuhiro Ikuta

Proceedings Volume 5724, (2005) https://doi.org/10.1117/12.601403

KEYWORDS: Personal digital assistants, Signal processing, Transmittance, Ultrafast laser spectroscopy, Absorption, Spectroscopy, Polymers, Modulation, Electro optic polymers, Solar thermal energy

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Proceedings Article | 28 January 2005 Paper

Sub-5-fs resolved nonlinear optical processes in polydiacetylene

Takayoshi Kobayashi, Mitsuhiro Ikuta, Yoshiharu Yuasa

Proceedings Volume 5646, (2005) https://doi.org/10.1117/12.601485

KEYWORDS: Transmittance, Personal digital assistants, Absorption, Modulation, Spectroscopy, Solar thermal energy, Raman spectroscopy, Signal processing, Polymers, Electronics

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Proceedings Article | 28 October 2003 Paper

Coherent control of ultrafast nanoscale localization of optical excitation energy

Mark Stockman, David Bergman, Takayoshi Kobayashi

Proceedings Volume 5221, (2003) https://doi.org/10.1117/12.508522

KEYWORDS: Ultrafast phenomena, Nanostructures, Femtosecond phenomena, Biomedical optics, Plasmonics, Optical properties, Nanocomposites, Phase modulation, Nanosensors, Biological weapons

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Proceedings Article | 14 July 2003 Paper

Sub-5-fs spectroscopy of several organic systems

Takayoshi Kobayashi

Proceedings Volume 4991, (2003) https://doi.org/10.1117/12.501183

KEYWORDS: Modulation, Visible radiation, Chromophores, Signal processing, Optical amplifiers, Complex systems, Transmittance, Absorption, Spectroscopes, Spectroscopy

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Proceedings Article | 29 April 2003 Paper

PIV measurement of pressure- and electrokinetically-driven flow in microchannels

H. Kinoshita, M. Oshima, Jong Hong, Teruo Fujii, T. Saga, Takayoshi Kobayashi

Proceedings Volume 5058, (2003) https://doi.org/10.1117/12.509515

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Proceedings Article | 16 December 1998 Paper

Electroluminescence of carbazole-substituted polyacetylenes

Run Sun, Yunzhang Wang, Xiaoming Zou, Mats Fahlam, Qianbing Zheng, Takayoshi Kobayashi, Toshio Masuda, Arthur Epstein

Proceedings Volume 3476, (1998) https://doi.org/10.1117/12.332631

KEYWORDS: Electroluminescence, Polymers, Thin films, Absorption, Ionization, Luminescence, Information operations, Quantum efficiency, Polymer thin films, Electrons

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Proceedings Article | 9 February 1995 Paper

Ultrafast nonlinear optical responses and geometrical relaxations in pi-conjugated polymers

Takayoshi Kobayashi

Proceedings Volume 2362, (1995) https://doi.org/10.1117/12.200958

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Proceedings Article | 2 June 1994 Paper

Ultrafast nonlinear optical properties of J-aggregates and new preparation method of oriented films at room temperature

Kazuhiko Misawa, Kaoru Minoshima, Hiroshi Ono, Makoto Taiji, Takayoshi Kobayashi

Proceedings Volume 2144, (1994) https://doi.org/10.1117/12.177223

KEYWORDS: Absorption, Excitons, Polarization, Molecules, Dichroic materials, Absorbance, Femtosecond phenomena, Spectroscopy, Picosecond phenomena, Molecular aggregates

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Proceedings Article | 23 July 1993 Paper

Nonlinear optical activities of organic and inorganic semiconductors

Takayoshi Kobayashi

Proceedings Volume 1852, (1993) https://doi.org/10.1117/12.148440

KEYWORDS: Excitons, Polymers, Microcrystalline materials, Phonons, Semiconductors, Absorbance, Nonlinear optics, Personal digital assistants, Solar thermal energy, Ultrafast phenomena

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Proceedings Article | 23 July 1993 Paper

Femtosecond time-resolved interferometers to determine nonlinear susceptibilities

Takayoshi Kobayashi

Proceedings Volume 1983, 19839Z (1993) https://doi.org/10.1117/12.2308778

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Proceedings Article | 25 February 1993 Paper

Mechanism of various ultrafast nonlinear optical responses in conjugated polymers

Takayoshi Kobayashi

Proceedings Volume 1775, (1993) https://doi.org/10.1117/12.139201

KEYWORDS: Excitons, Polymers, Picosecond phenomena, Absorption, Personal digital assistants, Absorbance, Solar thermal energy, Femtosecond phenomena, Phonons, Platinum

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Proceedings Article | 14 January 1993 Paper

Ultrafast nonlinear optical response of polydiacetylenes

Takayoshi Kobayashi, Masayuki Yoshizawa, Akio Yasuda

Proceedings Volume 1774, (1993) https://doi.org/10.1117/12.139170

KEYWORDS: Personal digital assistants, Picosecond phenomena, Absorption, Excitons, Solar thermal energy, Absorbance, Phonons, Polymers, Raman spectroscopy, Ultrafast phenomena

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Proceedings Article | 1 December 1991 Paper

Third-order optical nonlinearities and femtosecond responses in metallophthalocyanine thin films made by vacuum deposition, molecular beam epitaxy, and spin coating

Tatsuo Wada, Masahiro Hosoda, Anthony Garito, Hiroyuki Sasabe, A. Terasaki, Takayoshi Kobayashi, Hiroaki Tada, Atsushi Koma

Proceedings Volume 1560, (1991) https://doi.org/10.1117/12.50715

KEYWORDS: Thin films, Excitons, Organic materials, Femtosecond phenomena, Molecular beam epitaxy, Polymers, Absorption, Molecules, Nonlinear optics, Complex systems

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Proceedings Article | 1 December 1991 Paper

Nonlinear susceptibilities investigated by the electroabsorption of polymer ion-hemicyanine dye complexes

Shintaro Nomura, Takayoshi Kobayashi, Hachiro Nakanishi, Hiro Matsuda, Shuji Okada, Hiromitsu Tomiyama

Proceedings Volume 1560, (1991) https://doi.org/10.1117/12.50747

KEYWORDS: Polymers, Absorption, Molecules, Chromophores, Signal detection, Organic materials, Absorbance, Electrodes, Electrons, Harmonic generation

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Proceedings Article | 1 May 1991 Paper

Femtosecond spectroscopy of acidified and neutral bacteriorhodopsin

Takayoshi Kobayashi, Mamoru Terauchi, Tsutomu Kouyama, Masayuki Yoshizawa, Makoto Taiji

Proceedings Volume 1403, (1991) https://doi.org/10.1117/12.57310

KEYWORDS: Picosecond phenomena, Absorption, Absorbance, Femtosecond phenomena, Spectroscopy, Laser applications, Luminescence, Molecules, Proteins, Raman spectroscopy

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Proceedings Article | 1 May 1990 Paper

Study of excitons in microcrystallites: clearly resolved peaks by modulation spectroscopy and femtosecond dephasing resolved with incoherent light

Takayoshi Kobayashi, Shintaro Nomura, Kazuhiko Misawa

Proceedings Volume 1216, (1990) https://doi.org/10.1117/12.18136

KEYWORDS: Microcrystalline materials, Excitons, Phonons, Absorption, Particles, Cadmium sulfide, Photonic devices, Switching, Modulation, Spectroscopy

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Showing 5 of 24 publications

Conference Committee Involvement (4)

Nonlinear Optics: Technologies and Applications

12 November 2007 | Beijing, China

Nonlinear Optical Phenomena and Applications

8 November 2004 | Beijing, China

Linear and Nonlinear Optics of Organic Materials IV

2 August 2004 | Denver, Colorado, United States

Linear and Nonlinear Optics of Organic Materials III

4 August 2003 | San Diego, California, United States

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