Dr. Satoru Suzuki Profile

Dr. Satoru Suzuki

at Dentsu ScienceJam

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Publications (9)

Proceedings Article | 15 July 2015 Paper

Spectroscopic imaging of blood vessels only near the skin surface for non-invasive blood glucose measurement

Masaru Fujiwara, Shun Sato, Pradeep Abeygunawardhana, Satoru Suzuki, Akira Nishiyama, Kenji Wada, Ichiro Ishimaru

Proceedings Volume 9537, 953714 (2015) https://doi.org/10.1117/12.2183671

KEYWORDS: Spectroscopy, Imaging spectroscopy, Skin, Imaging systems, Blood, Fourier spectroscopy, Tissue optics, Glucose, Blood vessels, Veins

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Proceedings Article | 15 July 2015 Paper

In-situ monitoring of blood glucose level for dialysis machine by AAA-battery-size ATR Fourier spectroscopy

Satsuki Hosono, Shun Sato, Akane Ishida, Yo Suzuki, Daichi Inohara, Kosuke Nogo, Pradeep Abeygunawardhana, Satoru Suzuki, Akira Nishiyama, Kenji Wada, Ichiro Ishimaru

Proceedings Volume 9537, 953715 (2015) https://doi.org/10.1117/12.2183674

KEYWORDS: Blood, Glucose, Imaging spectroscopy, Fourier spectroscopy, Spectroscopy, Attenuated total reflectance, Liquids, Prisms, Ultrasonics, Infrared spectroscopy

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Proceedings Article | 12 March 2015 Paper

Proposal of AAA-battery-size one-shot ATR Fourier spectroscopic imager for on-site analysis: Simultaneous measurement of multi-components with high accuracy

Satsuki Hosono, Wei Qi, Shun Sato, Yo Suzuki, Masaru Fujiwara, Hiroyuki Hiramatsu, Satoru Suzuki, P. Abeygunawardhana, Kenji Wada, Akira Nishiyama, Ichiro Ishimaru

Proceedings Volume 9314, 93140O (2015) https://doi.org/10.1117/12.2077476

KEYWORDS: Bioalcohols, Glucose, Fourier spectroscopy, Absorption, Attenuated total reflectance, Imaging spectroscopy, Spectroscopy, Absorbance, Imaging systems, Mid-IR

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For simultaneous measurement of multi-components on-site like factories, the ultra-compact (diameter: 9[mm], length: 45[mm], weight: 200[g]) one-shot ATR (Attenuated Total Reflection) Fourier spectroscopic imager was proposed. Because the proposed one-shot Fourier spectroscopic imaging is based on spatial-phase-shift interferometer, interferograms could be obtained with simple optical configurations. We introduced the transmission-type relativeinclined phase-shifter, that was constructed with a cuboid prism and a wedge prism, onto the optical Fourier transform plane of infinity corrected optical systems. And also, small light-sources and cameras in the mid-infrared light region, whose size are several millimeter on a side, are essential components for the ultra-compact spectroscopic configuration. We selected the Graphite light source (light source area: 1.7×1.7[mm], maker: Hawkeye technologies) whose radiation factor was high. Fortunately, in these days we could apply the cost-effective 2-dimensional light receiving device for smartphone (e.g. product name: LEPTON, maker: FLIR, price: around 400USD). In the case of alcoholic drinks factory, conventionally workers measure glucose and ethanol concentrations by bringing liquid solution back to laboratories every day. The high portable spectroscopy will make it possible to measure multi-components simultaneously on manufacturing scene. But we found experimentally that absorption spectrum of glucose and water and ethanol were overlapped each other in near infrared light region. But for mid-infrared light region, we could distinguish specific absorption peaks of glucose (@10.5[μm]) and ethanol (@11.5[μm]) independently from water absorption. We obtained standard curve between absorption (@9.6[μm]) and ethanol concentration with high correlation coefficient 0.98 successfully by ATR imaging-type 2-dimensional Fourier spectroscopy (wavelength resolution: 0.057[μm]) with the graphite light source (maker: Hawkeye technologies, type: IR-75).

Proceedings Article | 20 November 2014 Paper

Measurement of the mid-infrared Fourier spectroscopic imaging of whole human face by portable apparatus (size: 50*50 mm, weight: 200 g)

Wei Qi, Yo Suzuki, Masaru Fujiwara, Tsubasa Saito, Satoru Suzuki, Pradeep Abeygunawardhana, Kenji Wada, Akira Nishiyama, Ichiro Ishimaru

Proceedings Volume 9268, 92681V (2014) https://doi.org/10.1117/12.2071422

KEYWORDS: Mid-IR, Phase shifts, Fourier spectroscopy, Spectroscopes, Spectroscopy, Imaging spectroscopy, Carbon dioxide lasers, Actuators, Laser spectroscopy, Helium neon lasers

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Proceedings Article | 4 March 2014 Paper

Spectrum correction considering light source fluctuation for non-invasive blood glucose sensing

Satoru Suzuki, Akane Ishida, Pradeep Abeygunawardhana, Kenji Wada, Akira Nishiyama, Ichiro Ishimaru

Proceedings Volume 8936, 893604 (2014) https://doi.org/10.1117/12.2038900

KEYWORDS: Absorbance, Glucose, Light sources, Blood, Absorption, FT-IR spectroscopy, Fourier spectroscopy, Phase shifts, Objectives, Sensors

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Proceedings Article | 28 February 2014 Paper

Wide-field spectroscopic imaging of biological-substance distributions on entire faces by measuring middle infrared lights emitted from human bodies itself

Yo Suzuki, Wei Qi, Masaru Fujiwara, Hiroyuki Hiramatsu, Satoru Suzuki, Pradeep Abeygunawardhana, Kenji Wada, Akira Nishiyama, Ichiro Ishimaru

Proceedings Volume 8951, 89510Z (2014) https://doi.org/10.1117/12.2038837

KEYWORDS: Imaging spectroscopy, Spectroscopy, Mid-IR, Fourier spectroscopy, Absorbance, Objectives, Spectroscopes, Infrared spectroscopy, Infrared imaging, Infrared radiation

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Proceedings Article | 28 February 2014 Paper

Quantitative measurement of biological substances in daily-life environment with the little-finger-size one-shot spectroscopic tomography

Akane Ishida, Shun Sato, Sho Nakada, Satoru Suzuki, P. K. Abeygunawardhana, Kenji Wada, Akira Nishiyama, Ichiro Ishimaru

Proceedings Volume 8951, 89510Y (2014) https://doi.org/10.1117/12.2038836

KEYWORDS: Glucose, Spectroscopy, Absorbance, Fourier spectroscopy, Tomography, Spectroscopes, Error analysis, Liquids, Imaging devices, Near infrared spectroscopy

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Proceedings Article | 18 June 2013 Paper

Proposal of one-shot-type spectroscopic-tomography for non-invasive medical-measurement

Shun Sato, Masaru Fujiwara, Pradeep Abeygunawardhana, Satoru Suzuki, Akira Nishiyama, Ichiro Ishimaru

Proceedings Volume 8798, 87980I (2013) https://doi.org/10.1117/12.2032494

KEYWORDS: Spectroscopy, Fourier spectroscopy, Imaging spectroscopy, Objectives, Mirrors, Tomography, Phase shifts, Interferometers, Quantum dots, Spatial resolution

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Proceedings Article | 25 February 2013 Paper

Novel algorithm for background correction of the quantitative spectroscopic tomography of the biogenic-substances

Pradeep K. Abeygunawardhana, Wei Qi, Daisuke Kojima, Satoru Suzuki, Akira Nishiyama, Ichirou Ishimaru

Proceedings Volume 8591, 85910O (2013) https://doi.org/10.1117/12.2003402

KEYWORDS: Spectroscopy, Tomography, Diffraction, Fourier spectroscopy, Light sources, Phase shifts, Light scattering, Diffraction gratings, Imaging spectroscopy, Mirrors

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Showing 5 of 9 publications

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