CONFERENCE PROCEEDINGS
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Dr. Koichi Ogusu
at Hamamatsu Photonics KK
SPIE Involvement:
Author
Publications (5)
Proceedings Article | 19 March 2010 Paper
50 µm pixel size a-Se mammography imager with high DQE and increased temperature resistance
G. Zentai, L. Partain, M. Richmond, K. Ogusu, S. Yamada
Proceedings Volume 7622, 762215 (2010) https://doi.org/10.1117/12.845385
KEYWORDS: Imaging systems, Modulation transfer functions, Mammography, Molybdenum, X-rays, Aluminum, Temperature metrology, Image resolution, X-ray imaging, Breast
Proceedings Article | 14 March 2009 Paper
Advanced a-Se film with high sensitivity and heat resistance for x-ray detectors
Koichi Ogusu, Osamu Nakane, Yasunori Igasaki, Yoshinori Okamura, Satoshi Yamada, Tadaaki Hirai
Proceedings Volume 7258, 72583M (2009) https://doi.org/10.1117/12.811496
KEYWORDS: X-rays, Electrodes, X-ray detectors, Modulation transfer functions, X-ray imaging, Mammography, Temperature metrology, Selenium, Resistance, Spatial frequencies
Proceedings Article | 21 February 2007 Paper
Improvement in photoelectric conversion efficiency of red light in HARP film
Tomoki Matsubara, Yuji Ohkawa, Kazunori Miyakawa, Shirou Suzuki, Misao Kubota, Norifumi Egami, Kenkichi Tanioka, Kouichi Ogusu, Akira Kobayashi, Tadaaki Hirai, Toshiaki Kawai
Proceedings Volume 6501, 650108 (2007) https://doi.org/10.1117/12.703066
KEYWORDS: Tellurium, Cameras, Signal to noise ratio, Electrons, Reliability, Interference (communication), Image enhancement, Color reproduction, Electrodes, Absorption
Proceedings Article | 7 March 2005 Paper
Ultrahigh-sensitivity HDTV new super-HARP camera
Kazunori Miyakawa, Yuji Ohkawa, Tomoki Matsubara, Tamotsu Takahata, Shiro Suzuki, Misao Kubota, Norifumi Egami, Kenkichi Tanioka, Kouichi Ogusu, Akira Kobayashi, Tadaaki Hirai, Toshiaki Kawai, Masanori Hombo, Tetsuo Yoshida
Proceedings Volume 5677, (2005) https://doi.org/10.1117/12.585434
KEYWORDS: Cameras, Surgery, CCD cameras, Resistance, Reliability, Medicine, Temperature metrology, Video, Arsenic, Digital signal processing
Proceedings Article | 15 May 2001 Paper
Improvement of the quantum efficiency of the new super-HARP image sensor
Yuji Ohkawa, Kazunori Miyakawa, Shiro Suzuki, Tamotsu Takahata, Nobuo Saito, Norifumi Egami, Kenkichi Tanioka, Kouichi Ogusu, Akira Kobayashi, Tadaaki Hirai
Proceedings Volume 4306, (2001) https://doi.org/10.1117/12.426954
KEYWORDS: Quantum efficiency, Selenium, Image sensors, Tellurium, Sensors, Signal to noise ratio, Doping, Cameras, Electrodes, Photoresistors
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