Prof. Yoshimasa Kawata Profile

Prof. Yoshimasa Kawata

Professor at Shizuoka Univ

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Author

Publications (25)

Proceedings Article | 20 September 2023 Paper

Autofluorescence imaging enhanced by deep-ultraviolet surface plasmon resonance for label-free bio-sensing

K. Hosomi, C. N. Che Lah, H. Morisawa, K. Kobayashi, Y. Tanaka, A. Ono, W. Inami, Y. Kawata

Proceedings Volume 12608, 1260817 (2023) https://doi.org/10.1117/12.3007931

KEYWORDS: Deep ultraviolet, Prisms, Autofluorescence, Sapphire, Aluminum, Surface plasmons, Refractive index, Fluorescence, Resonance enhancement, Reflectivity

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Proceedings Article | 27 October 2021 Paper

Physiological modulation of a biological cell by using direct electron beam exposure

Asahi Tanaka, Wataru Inami, Yoshimasa Kawata

Proceedings Volume 11925, 1192508 (2021) https://doi.org/10.1117/12.2615411

KEYWORDS: Electron beams, Scanning electron microscopy, Luminescence, Modulation, Optical microscopes, Biological research, Silicon, Signaling molecules, Oxygen, Atmospheric optics

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Proceedings Article | 15 June 2020 Paper

Improvement of the spatial resolution of ion imaging system using thinned sensor substrate

Wataru Inami, Kiyohisa Nii, Satoru Shibano, Hikaru Tomita, Yohimasa Kawata

Proceedings Volume 11521, 115210L (2020) https://doi.org/10.1117/12.2573300

KEYWORDS: Ions, Sensors, Silicon, Spatial resolution, Electron beams, Imaging systems, Silicon films, Image sensors, Semiconducting wafers, Monte Carlo methods

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Proceedings Article | 31 December 2019 Paper

Nonlinear plasmonics of NLO polymer/Au nanoparticle hybrid systems

A. Sugita, T. Makiyama, R. Aoshima, A. Ono, W. Inami, Y. Kawata

Proceedings Volume 11201, 1120107 (2019) https://doi.org/10.1117/12.2541283

KEYWORDS: Nonlinear optics, Polymers, Second-harmonic generation, Nanoparticles, Metals, Gold, Plasmonics, Systems modeling, Surface plasmons, Refractive index

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Proceedings Article | 9 September 2019 Presentation + Paper

Amplifying conversion efficiencies of SP-enhanced SHG from Ag surface with nonlinear optical polymer films

A. Sugita, K. Mochizuki, K. Kikuchi, A. Ono, W. Inami, Y. Kawata

Proceedings Volume 11082, 110820W (2019) https://doi.org/10.1117/12.2528662

KEYWORDS: Second-harmonic generation, Polymers, Nonlinear optics, Silver, Polymer thin films, Surface plasmons, Light-matter interactions, Reflection, Metals, Reflectance spectroscopy

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Proceedings Article | 24 April 2018 Paper

Electron beam addressable potentiometric sensor for ion distribution imaging with high resolution

Wataru Inami, Kiyohisa Nii, Satoru Shibano, Yoshimasa Kawata

Proceedings Volume 10711, 1071123 (2018) https://doi.org/10.1117/12.2316938

KEYWORDS: Ions, Sensors, Electron beams, Spatial resolution, Electroactive polymers, Image resolution, Silicon, Semiconductors, Life sciences, Environmental sensing

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Proceedings Article | 25 August 2017 Paper

Polarization dependent second harmonic generations of equilateral triangular Au nanorods at localized surface plasmon resonances

Atsushi Sugita, Hirofumi Yogo, Atsushi Ono, Yoshimasa Kawata

Proceedings Volume 10346, 103462M (2017) https://doi.org/10.1117/12.2273485

KEYWORDS: Polarization, Second-harmonic generation, Plasmonics, Anisotropy, Harmonic generation, Gold, Surface plasmons, Photons, Nonlinear optics, Systems modeling

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Proceedings Article | 18 April 2017 Paper

Absorption contrast imaging beyond the diffraction limit with electron-beam excitation assisted optical microscope

Wataru Inami, Masahiro Fukuta, Yoshimasa Kawata, Susumu Terakawa

Proceedings Volume 10251, 102510G (2017) https://doi.org/10.1117/12.2269437

KEYWORDS: Crystals, Spatial resolution, Microscopes, Electron beams, Scanning electron microscopy, Microscopy, Absorption, Diffraction, Optical microscopes, Ultraviolet radiation

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Proceedings Article | 14 December 2016 Paper

High spatial resolution absorption contrast imaging with electron-beam excitation assisted optical microscope

Wataru Inami, Masahiro Fukuta, Yoshimasa Kawata, Susumu Terakawa

Proceedings Volume 10176, 1017617 (2016) https://doi.org/10.1117/12.2268277

KEYWORDS: Absorption, Spatial resolution, Optical microscopes, Optical microscopy, Microscopy, Super resolution

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Proceedings Article | 15 November 2016 Presentation + Paper

Development of far- and deep-ultraviolet surface plasmon resonance (SPR) sensor using aluminum thin film

Ichiro Tanabe, Yoshito Tanaka, Takayuki Ryoki, Koji Watari, Takeyoshi Goto, Masakazu Kikawada, Wataru Inami, Yoshimasa Kawata, Yukihiro Ozaki

Proceedings Volume 9926, 99260K (2016) https://doi.org/10.1117/12.2236259

KEYWORDS: Aluminum, Deep ultraviolet, Sensors, Refractive index, Spectroscopy, Prisms, Reflectivity, Quartz, Absorption, Sapphire

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Proceedings Article | 11 November 2016 Presentation

Sensitive imaging of organelles in label-free cells by surface plasmon resonance in deep-ultraviolet region (Conference Presentation)

Yoshimasa Kawata, Masakazu Kikawada, Atsushi Ono, Wataru Inami

Proceedings Volume 9926, 99260O (2016) https://doi.org/10.1117/12.2236857

KEYWORDS: Deep ultraviolet, Aluminum, Glasses, Surface plasmons, Biological research, Reflectivity, Luminescence, Proteins, Visible radiation, Resonance enhancement

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Proceedings Article | 17 September 2016 Presentation + Paper

Second-order nonlinearities of 2D periodic arrays of Au nanorods at surface plasmon resonances

A. Sugita, S. Nihashi, A. Ono, Y. Kawata

Proceedings Volume 9921, 99211H (2016) https://doi.org/10.1117/12.2237252

KEYWORDS: Nanorods, Plasmons, Gold, Second-harmonic generation, Scattering, Surface plasmons, Polarization, Near field optics, Silica, Diffraction gratings

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Proceedings Article | 28 August 2015 Presentation + Paper

Enhancing second-order nonlinearity on Au-nanorods at localized surface plasmon resonance with nonlinear optical polymers

Atsushi Sugita, Takuma Hirabayashi, Shunsuke Nihashi, Atsushi Ono, Yoshimasa Kawata

Proceedings Volume 9547, 95470Q (2015) https://doi.org/10.1117/12.2187200

KEYWORDS: Nonlinear optics, Second-harmonic generation, Polymers, Chromophores, Gold, Scattering, Polymethylmethacrylate, Metals, Resonance enhancement, Nanorods

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Proceedings Article | 7 March 2014 Paper

Second-order nonlinear susceptibilities in nonelectrically poled DR1PMMA guest-host polymers

A. Sugita, Y. Sato, K. Ito, Y. Kawata, S. Tasaka

Proceedings Volume 8983, 898304 (2014) https://doi.org/10.1117/12.2038101

KEYWORDS: Polymers, Chromophores, Polymethylmethacrylate, Second-harmonic generation, Nonlinear optics, Electroactive polymers, Glasses, Absorption, Annealing, Polarization

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Proceedings Article | 6 March 2013 Paper

Second harmonic generation in non-electrically-poled NLO polymers excited by surface plasmon enhanced electric field

Atsushi Sugita, Kaname Suto, Tomoyuki Sato, Atsushi Ono, Wataru Inami, Yoshimasa Kawata, Shigeru Tasaka

Proceedings Volume 8622, 86220B (2013) https://doi.org/10.1117/12.2002949

KEYWORDS: Polymers, Nonlinear optics, Silver, Surface plasmons, Second-harmonic generation, Polarization, Thin films, Metals, Harmonic generation, Polymer thin films

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Proceedings Article | 21 February 2012 Paper

Poly (cyanophenylene sulfide) as new host materials of second order nonlinear optical polymers

A. Sugita, Y. Tamaki, N. Mase, Y. Kawata, S. Tasaka

Proceedings Volume 8258, 82580X (2012) https://doi.org/10.1117/12.906979

KEYWORDS: Nonlinear optics, Polymers, Chromophores, Thin films, Annealing, Gold, Polarization, Glasses, Dielectric polarization, Electroactive polymers

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Proceedings Article | 24 December 2011 Paper

Plasmonic nanofocusing by axicon-shape Kretschmann configuration

Atsushi Ono, Hiroki Sano, Wataru Inami, Keisuke Kato, Yoshimasa Kawata

Proceedings Volume 8204, 82041R (2011) https://doi.org/10.1117/12.904738

KEYWORDS: Prisms, Polarization, Surface plasmons, Axicons, Plasmonics, Light scattering, Scattering, Gold, Gaussian beams, Photons

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Proceedings Article | 11 June 2010 Paper

Development of compact femtosecond fiber laser and alignment free confocal system for multilayered optical memory

Yoshimasa Kawata, Masatoshi Tsuji, Wataru Inami

Proceedings Volume 7730, 77300C (2010) https://doi.org/10.1117/12.855586

KEYWORDS: Fiber lasers, Confocal microscopy, Multilayers, Optical storage, Microscopes, Single mode fibers, Fiber couplers, Laser development, Mode locking, Dispersion

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Proceedings Article | 12 January 2009 Paper

Observation of single- and two-photon luminescence on optically quenched wide-gap semiconductor crystals

A. S. M. Noor, M. Torizawa, A. Miyakawa, Y. Kawata

Proceedings Volume 7133, 71332O (2009) https://doi.org/10.1117/12.806589

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Proceedings Article | 11 July 2007 Paper

New development of roll-type multilayered optical memory for high density data storage

Yoshimasa Kawata, Masao Miyamoto, Masahito Nakabayashi

Proceedings Volume 6620, 662004 (2007) https://doi.org/10.1117/12.738417

KEYWORDS: Multilayers, Optical storage, Refractive index, Confocal microscopy, Adhesives, Data storage, Prototyping, Absorption, Microscopes, 3D optical data storage

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SPIE Journal Paper | 1 June 2004

High tolerance to off-axis aberrations with a birefringent lens

Sucharita Sanyal, Yoshimasa Kawata, S. Mandal, Ajay Ghosh

OE, Vol. 43, Issue 06, (June 2004) https://doi.org/10.1117/12.10.1117/1.1737374

KEYWORDS: Imaging systems, Monochromatic aberrations, Polarizers, Tolerancing, Glasses, Image quality, Crystals, Linear polarizers, Point spread functions, Birefringence

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Proceedings Article | 16 September 2003 Paper

Optical data storage by use of dye-doped minute spheres

Naoki Kobayashi, Chikara Egami, Yoshimasa Kawata

Proceedings Volume 5069, (2003) https://doi.org/10.1117/12.532646

KEYWORDS: Optical spheres, Optical storage, Confocal microscopy, Photoresist materials, Diffusion, Polymers, Absorption, Polymer thin films, Doping, Reflection

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Proceedings Article | 17 September 2002 Paper

Multilayered optical memory based on photofabrication with femtosecond pulse laser

Yoshimasa Kawata

Proceedings Volume 4930, (2002) https://doi.org/10.1117/12.483314

KEYWORDS: Multilayers, Optical storage, Confocal microscopy, Spatial frequencies, Data storage, Microscopes, Femtosecond phenomena, Pulsed laser operation, Optical recording, Reflection

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SPIE Journal Paper | 1 October 2001

Three-dimensional optical data storage using three-dimensional optics

Yoshimasa Kawata, Masaharu Nakano, Suk-Chun Lee

OE, Vol. 40, Issue 10, (October 2001) https://doi.org/10.1117/12.10.1117/1.1402123

KEYWORDS: Optical storage, Confocal microscopy, 3D optical data storage, Holograms, Volume holography, Microscopes, Diffraction, Multilayers, Holography, Monochromatic aberrations

Proceedings Article | 6 July 2000 Paper

Three-dimensional memory

Yoshimasa Kawata

Proceedings Volume 4081, (2000) https://doi.org/10.1117/12.390492

KEYWORDS: Confocal microscopy, Optical storage, Microscopes, Multilayers, Reflection, Absorption, Objectives, Light scattering, Spatial frequencies, Phase contrast

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Showing 5 of 25 publications

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