Dr. Kentaro Iwami Profile

Dr. Kentaro Iwami

Associate Professor at Tokyo Univ of Agriculture and Technology

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 19 December 2022 Presentation + Paper

Multicolor metasurface holographic movie based on a cinematographic approach

Kentaro Iwami

Proceedings Volume 12318, 1231804 (2022) https://doi.org/10.1117/12.2642317

KEYWORDS: Holograms, Holography, Transmittance, Silicon nitride, Silicon, Dielectrics, Gold, 3D image reconstruction, Incident light, Diffraction

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Proceedings Article | 1 September 2015 Presentation + Paper

Birefringence modulation of thermally driven metal nanograting

Takashi Shimura, Miho Ishii, Kentaro Iwami, Hideaki Nagasaki, Norihiro Umeda

Proceedings Volume 9544, 95441K (2015) https://doi.org/10.1117/12.2188131

KEYWORDS: Modulation, Birefringence, Gold, Polarization, Phase modulation, Metals, Silica, Transmittance, Phase shift keying, Finite-difference time-domain method

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Proceedings Article | 11 September 2013 Paper

Plasmonic half-waveplate based on gold nanoslit and its application to ultrasmall radial polarization converter

Miho Ishii, Kentaro Iwami, Norihiro Umeda

Proceedings Volume 8809, 880922 (2013) https://doi.org/10.1117/12.2024785

KEYWORDS: Polarization, Gold, Transmittance, Wave plates, Plasmonics, Finite-difference time-domain method, Electron beam lithography, Phase shifts, Microscopy, Integrated optics

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Proceedings Article | 22 September 2011 Paper

Development of a visual encryption device using higher-order birefringence

H. Kowa, T. Murana, K. Iwami, N. Umeda, M. Tsukiji, A. Takayanagi

Proceedings Volume 8134, 81340V (2011) https://doi.org/10.1117/12.892969

KEYWORDS: Birefringence, Visualization, Polarizers, Cryptography, Transmittance, Adaptive optics, Wave plates, Computer security, Information visualization, Computing systems

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Proceedings Article | 20 September 2011 Paper

Two-photon fluorescence near-field pH measurement for mitochondria activity

Y. Kanazashi, Y. Li, T. Onojima, K. Iwami, Y. Ohta, N. Umeda

Proceedings Volume 8105, 81050E (2011) https://doi.org/10.1117/12.893359

KEYWORDS: Cell death, Luminescence, Near field scanning optical microscopy, Acquisition tracking and pointing, Magnesium, Near field, Calibration, Optical microscopy, Ions, Modulation

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Proceedings Article | 1 September 2011 Paper

Nanonewton thrust measurement of photon pressure propulsion using semiconductor laser

K. Iwami, Taku Akazawa, Tomohiro Ohtsuka, Hiroyuki Nishida, Norihiro Umeda

Proceedings Volume 8164, 816406 (2011) https://doi.org/10.1117/12.893427

KEYWORDS: Semiconductor lasers, Sensors, Light sources, Estimation theory, Silicon, Continuous wave operation, Gold, Modulation, Light, Nanolithography

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Proceedings Article | 31 December 2010 Paper

Electron field emission based on plasmon resonance

Kentaro Iwami, Arata Iizuka, Norihiro Umeda

Proceedings Volume 7544, 75443O (2010) https://doi.org/10.1117/12.885692

KEYWORDS: Modulation, Plasmons, Gold, Charged particle optics, Resonance enhancement, Continuous wave operation, Tungsten, Finite-difference time-domain method, Scanning electron microscopy, Metals

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