Mr. Takemi Hasegawa Profile

Takemi Hasegawa

at Sumitomo Electric Industries Ltd

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Author

Publications (7)

Proceedings Article | 4 March 2014 Paper

Performance improvement by a broadband super-luminescent diode light source in 1.7-µm spectroscopic spectral-domain optical coherence tomography for lipid distribution imaging in a coronary artery

M. Tanaka, T. Okuno, H. Obi, I. Hattori, M. Hirano, T. Ueno, S. Tonosaki, K. Murashima, R. Yamaguchi, T. Hasegawa

Proceedings Volume 8926, 89262T (2014) https://doi.org/10.1117/12.2038866

KEYWORDS: Optical coherence tomography, Light sources, Arteries, Spectrometers, Spectroscopy, Absorption, In vitro testing, Diodes, Imaging spectroscopy, Optical spectroscopy

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Proceedings Article | 27 February 2014 Paper

Improved method to visualize lipid distribution within arterial vessel walls by 1.7 μm spectroscopic spectral-domain optical coherence tomography

Mitsuharu Hirano, Shozo Tonosaki, Takahiro Ueno, Masato Tanaka, Takemi Hasegawa

Proceedings Volume 8935, 893517 (2014) https://doi.org/10.1117/12.2039024

KEYWORDS: Tomography, Optical coherence tomography, Spectroscopy, Visualization, Spatial filters, Arteries, Digital filtering, Optical spectroscopy, Signal attenuation, Data modeling

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Proceedings Article | 22 March 2013 Paper

A method to visualize lipid distribution within arterial vessel walls by 1.7 µm spectroscopic spectral-domain optical coherence tomography

Mitsuharu Hirano, Ichiro Sogawa, Takemi Hasegawa, Masato Tanaka

Proceedings Volume 8572, 85720E (2013) https://doi.org/10.1117/12.2003700

KEYWORDS: Optical coherence tomography, Spectroscopy, Visualization, Optical spectroscopy, Absorption, Signal attenuation, Scattering, Computer simulations, Mirrors, Imaging spectroscopy

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Proceedings Article | 13 March 2013 Paper

A near infrared angioscope visualizing lipid within arterial vessel wall based on multi-spectral image in 1.7 µm wavelength band

Takemi Hasegawa, Ichiro Sogawa, Hiroshi Suganuma

Proceedings Volume 8575, 857506 (2013) https://doi.org/10.1117/12.2005360

KEYWORDS: Near infrared, Cameras, Arteries, Image transmission, Light sources, Switching, Visualization, Image sensors, Visible radiation, Image visualization

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Proceedings Article | 8 March 2013 Paper

Lipid distribution imaging in in-vitro artery model by 1.7-μm spectroscopic spectral-domain optical coherence tomography

M. Tanaka, M. Hirano, T. Hasegawa, I. Sogawa

Proceedings Volume 8565, 85654F (2013) https://doi.org/10.1117/12.2003623

KEYWORDS: Optical coherence tomography, Arteries, Spectroscopy, In vitro testing, Visual process modeling, Visualization, Light sources, Absorption, Interferometers, Optical testing

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Proceedings Article | 22 February 2006 Paper

Noncontact diagnosis of tissue elasticity by means of measurement of Brillouin scattering

Takemi Hasegawa, Ryoichi Nakamura, Hiroshi Iseki

Proceedings Volume 6091, 60910C (2006) https://doi.org/10.1117/12.647050

KEYWORDS: Scattering, Polarization, Modulation, Acoustics, Absorption, Thermal effects, Optical filters, Modulators, Signal detection, Light scattering

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Proceedings Article | 9 December 1999 Paper

Measurement of Brillouin gain spectrum distribution along an optical fiber by direct frequency modulation of a laser diode

Takemi Hasegawa, Kazuo Hotate

Proceedings Volume 3860, (1999) https://doi.org/10.1117/12.372976

KEYWORDS: Modulation, Frequency modulation, Spatial resolution, Semiconductor lasers, Fermium, Optical fibers, Scattering, Antimony, Phase modulation, Modulators

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Showing 5 of 7 publications

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