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2 results on '"Kousuke Oonuki"'

1. Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode

Author

Tatsuo Shimosawa, Ken Okano, Yusuke Mori, Angel T. T. Koh, Daniel H. C. Chua, Yuji Takakuwa, Shuichi Ogawa, Nanako Kato, Kousuke Oonuki, Yu Suzuki, Hisato Yamaguchi, Takatoshi Yamada, Masanori Onishi, Ichitaro Saito, and Tomoaki Masuzawa

Subjects
amorphous selenium, photodetector, carrier multiplication, diamond, cold cathode, Chemical technology, TP1-1185
Abstract

Amorphous-selenium (a-Se) based photodetectors are promising candidates for imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication. In addition, a-Se is reported to show sensitivity against wide variety of wavelengths, including visible, UV and X-ray, where a-Se based flat-panel X-ray detector was proposed. In order to develop an ultra high-sensitivity photodetector with a wide detectable wavelength range, a photodetector was fabricated using a-Se photoconductor and a nitrogen-doped diamond cold cathode. In the study, a prototype photodetector has been developed, and its response to visible and ultraviolet light are characterized.

Published
2013
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2. Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode

Author

Masanori Onishi, Kousuke Oonuki, Ken Okano, Takatoshi Yamada, Shuichi Ogawa, Tomoaki Masuzawa, Daniel H. C. Chua, Ichitaro Saito, Yuji Takakuwa, Tatsuo Shimosawa, Nanako Kato, Hisato Yamaguchi, A. T. T. Koh, Yu Suzuki, and Yusuke Mori

Subjects
Materials science, Light, cold cathode, Transducers, Photodetector, Review, engineering.material, lcsh:Chemical technology, Biochemistry, amorphous selenium, Analytical Chemistry, law.invention, Photometry, Selenium, Optics, diamond, law, Ultraviolet light, lcsh:TP1-1185, Electrical and Electronic Engineering, photodetector, Instrumentation, Electrodes, business.industry, Detector, Temperature, Diamond, Equipment Design, Atomic and Molecular Physics, and Optics, Multiple exciton generation, Equipment Failure Analysis, Wavelength, Electrode, engineering, Optoelectronics, Cold cathode, carrier multiplication, business
Abstract

Amorphous-selenium (a-Se) based photodetectors are promising candidates for imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication. In addition, a-Se is reported to show sensitivity against wide variety of wavelengths, including visible, UV and X-ray, where a-Se based flat-panel X-ray detector was proposed. In order to develop an ultra high-sensitivity photodetector with a wide detectable wavelength range, a photodetector was fabricated using a-Se photoconductor and a nitrogen-doped diamond cold cathode. In the study, a prototype photodetector has been developed, and its response to visible and ultraviolet light are characterized.

Published
2013

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