Dr. Akihiro Osawa Profile

Dr. Akihiro Osawa

at Toho Univ

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 12 September 2014 Paper

Dual-energy x-ray computed tomography system using an LSO-MPPC detector

Eiichi Sato, Yasuyuki Oda, Satoshi Yamaguchi, Osahiko Hagiwara, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Shinya Kusachi

Proceedings Volume 9214, 921402 (2014) https://doi.org/10.1117/12.2062398

KEYWORDS: X-rays, Sensors, X-ray detectors, Photon counting, X-ray computed tomography, Computing systems, Amplifiers, Tomography, Aluminum, Detector development

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Proceedings Article | 26 September 2013 Paper

Investigation of x-ray photon counting using a silicon-PIN diode and its application to energy-dispersive computed tomography

Hajime Kodama, Eiichi Sato, Michiaki Sagae, Osahiko Hagiwara, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Shinya Kusachi, Shigehiro Sato, Akira Ogawa

Proceedings Volume 8853, 885305 (2013) https://doi.org/10.1117/12.2025365

KEYWORDS: X-rays, Sensors, X-ray detectors, Photon counting, Amplifiers, Silicon, X-ray imaging, Diodes, Aluminum, Photodiodes

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Proceedings Article | 26 September 2013 Paper

Characteristics of a ceramic-substrate x-ray diode and its application to computed tomography

Manabu Watanabe, Eiichi Sato, Hajime Kodama, Osahiko Hagiwara, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Shinya Kusachi, Shigehiro Sato, Akira Ogawa

Proceedings Volume 8853, 885304 (2013) https://doi.org/10.1117/12.2025364

KEYWORDS: X-rays, X-ray detectors, Sensors, Diodes, Amplifiers, Photon counting, Silicon, Aluminum, X-ray imaging, X-ray computed tomography

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Proceedings Article | 26 September 2013 Paper

Dark-count-less x-ray photon counting using an LSO-MPPC detector and its application to computed tomography

Eiichi Sato, Yasuyuki Oda, Hajime Kodama, Osahiko Hagiwara, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Shinya Kusachi, Shigehiro Sato, Akira Ogawa

Proceedings Volume 8853, 885302 (2013) https://doi.org/10.1117/12.2025358

KEYWORDS: Sensors, X-rays, X-ray detectors, Photon counting, Gadolinium, Aluminum, Amplifiers, Scintillators, Computed tomography, Tomography

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Proceedings Article | 17 October 2012 Paper

High-sensitive computed tomography system using a silicon-PIN x-ray diode

Eiichi Sato, Yuich Sato, Abulajiang Abudurexiti, Osahiko Hagiwara, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Shinya Kusachi, Shigehiro Sato, Akira Ogawa, Jun Onagawa

Proceedings Volume 8508, 850808 (2012) https://doi.org/10.1117/12.929295

KEYWORDS: X-rays, X-ray detectors, Gadolinium, Photons, Sensors, X-ray computed tomography, Diodes, Amplifiers, Silicon, Tomography

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Proceedings Article | 17 October 2012 Paper

Dark-count-less photon-counting x-ray computed tomography system using a YAP-MPPC detector

Eiichi Sato, Yuich Sato, Abulajiang Abudurexiti, Osahiko Hagiwara, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Shinya Kusachi, Shigehiro Sato, Akira Ogawa, Jun Onagawa

Proceedings Volume 8508, 850807 (2012) https://doi.org/10.1117/12.929176

KEYWORDS: Sensors, X-rays, Gadolinium, Amplifiers, X-ray computed tomography, Computing systems, X-ray detectors, Photon counting, Photons, Scintillators

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Proceedings Article | 23 March 2010 Paper

Embossed radiography utilizing a subtraction program in conjunction with a 0.5-mm-focus x-ray tube

Eiichi Sato, Purkhet Abderyim, Akihiro Osawa, Hiroshi Matsukiyo, Toshiyuki Enomoto, Manabu Watanabe, Kiyomi Takahashi, Shigehiro Sato, Akira Ogawa, Jun Onagawa

Proceedings Volume 7622, 76222I (2010) https://doi.org/10.1117/12.844005

KEYWORDS: X-rays, Radiography, Angiography, Absorption, Arteries, Sensors, Spatial resolution, X-ray sources, Image resolution, Software

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SPIE Journal Paper | 1 July 2009

Energy discriminating x-ray camera utilizing a cadmium telluride detector

Eiichi Sato, Abderyim Purkhet, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Jiro Nagao, Seiitiro Nomiya, Keitaro Hitomi, Etsuro Tanaka, Toshiaki Kawai, Shigehiro Sato, Akira Ogawa, Jun Onagawa

OE, Vol. 48, Issue 07, 076502, (July 2009) https://doi.org/10.1117/12.10.1117/1.3183927

KEYWORDS: X-rays, Radiography, Iodine, X-ray detectors, Photons, Cameras, Sensors, Cerium, Angiography, Cadmium

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Proceedings Article | 10 February 2009 Paper

Ultra-high-speed embossed radiography system

Eiichi Sato, Purkhet Abderyim, Akihiro Osawa, Toshiyuki Enomoto, Etsuro Tanaka, Koetsu Sato, Mitsuru Izumisawa, Akira Ogawa, Shigehiro Sato, Kazuyoshi Takayama

Proceedings Volume 7126, 71261I (2009) https://doi.org/10.1117/12.823075

KEYWORDS: Radiography, X-rays, X-ray imaging, Imaging systems, Computing systems, Plasma, Molybdenum, Chromium, Absorption, Electrodes

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Proceedings Article | 17 September 2008 Paper

Characteristic x-ray generator and its applications

Eiichi Sato, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Jiro Nagao, Akira Ogawa, Shigehiro Sato

Proceedings Volume 7080, 70800N (2008) https://doi.org/10.1117/12.796064

KEYWORDS: X-rays, Molybdenum, Electrodes, X-ray fluorescence spectroscopy, X-ray detectors, Radiography, Sensors, Power supplies, Tungsten, Copper

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Proceedings Article | 4 September 2008 Paper

X-ray computed tomography system using a multipixel photon counter

Eiichi Sato, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Jiro Nagao, Purkhet Abderyim, Seiichiro Nomiya, Keitaro Hitomi, Akira Ogawa, Shigehiro Sato

Proceedings Volume 7079, 70790H (2008) https://doi.org/10.1117/12.795434

KEYWORDS: X-rays, Photon counting, Zinc oxide, X-ray computed tomography, Computing systems, Scintillators, Aluminum, Sensors, Amplifiers, Crystals

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Proceedings Article | 4 September 2008 Paper

Energy-discriminating x-ray camera utilizing a cadmium telluride detector

Eiichi Sato, Purkhet Abderyim, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Jiro Nagao, Seichiro Nomiya, Keitaro Hitomi, Akira Ogawa, Shigehiro Sato, Toshio Ichimaru

Proceedings Volume 7079, 70790Z (2008) https://doi.org/10.1117/12.795480

KEYWORDS: X-rays, Radiography, X-ray detectors, Iodine, Cameras, Sensors, Cerium, Cadmium, X-ray imaging, X-ray technology

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Proceedings Article | 3 September 2008 Paper

X-ray fluorescence computed tomography system for biomedical imaging

Toshiyuki Enomoto, Eiichi Sato, Purkhet Abderyim, Hiroshi Matsukiyo, Akihiro Osawa, Manabu Watanabe, Jiro Nagao, Seiichiro Nomiya, Keitro Hitomi, Mitsuru Izumisawa, Akira Ogawa, Shigehiro Sato

Proceedings Volume 7080, 70800A (2008) https://doi.org/10.1117/12.795548

KEYWORDS: X-rays, Iodine, Cerium, Imaging systems, Computing systems, Sensors, Photons, X-ray computed tomography, X-ray fluorescence spectroscopy, X-ray detectors

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Proceedings Article | 3 September 2008 Paper

X-ray fluorescence camera for biomedical imaging

Hiroshi Matsukiyo, Eiichi Sato, Purkhet Abderyim, Akihiro Osawa, Toshiyuki Enomoto, Manabu Watanabe, Jiro Nagao, Seiichiro Nomiya, Koetsu Sato, Akira Ogawa, Shigehiro Sato, Toshio Ichimaru

Proceedings Volume 7080, 708007 (2008) https://doi.org/10.1117/12.795890

KEYWORDS: X-rays, Iodine, Cameras, Cerium, Cancer, X-ray fluorescence spectroscopy, Sensors, X-ray detectors, X-ray imaging, Biomedical optics

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Proceedings Article | 3 September 2008 Paper

Novel embossed radiography system utilizing energy subtraction

Akihiro Osawa, Eiichi Sato, Hiroshi Matsukiyo, Toshiyuki Enomoto, Manabu Watanabe, Jiro Nagao, Purkhet Abderyim, Etsuro Tanaka, Mitsuru Izumisawa, Akira Ogawa, Shigehiro Sato

Proceedings Volume 7080, 708003 (2008) https://doi.org/10.1117/12.795585

KEYWORDS: Radiography, X-rays, X-ray sources, Spatial resolution, X-ray imaging, Aluminum, Angiography, Optical filters, Sensors, Bone

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Proceedings Article | 3 September 2008 Paper

Energy-discriminating K-edge x-ray computed tomography system

Manabu Watanabe, Eiichi Sato, Purkhet Abderyim, Hiroshi Matsukiyo, Akihiro Osawa, Toshiyuki Enomoto, Jiro Nagao, Seiichiro Nomiya, Keitaro Hitomi, Akira Ogawa, Shigehiro Sato, Toshio Ichimaru

Proceedings Volume 7080, 70800B (2008) https://doi.org/10.1117/12.795874

KEYWORDS: X-rays, Iodine, X-ray detectors, Sensors, Cancer, Computing systems, X-ray computed tomography, Amplifiers, Tomography, Spectroscopy

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Showing 5 of 16 publications

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