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Proceedings Paper

Electron bombardment CCD tube
Author(s): Motohiro Suyama; Akihiro Kageyama; Itaru Mizuno; Katsuyuki Kinoshita; Masaharu Muramatsu; Koei Yamamoto
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Paper Abstract

For low light level imaging application, a proximity focused electron bombardment CCD (EB-CCD) tube has been developed. In the tube, electrons emitted from the multi-alkali (S-20) photocathode in response to incident light are accelerated by the electric field and bombarded the specially processed CCD which is sensitive to electrons. The electron bombardment gain is 600 at applied voltage of -8kV to the photocathode. Single photon counting operation is possible, because the gain is larger than the readout noise and the dark noise of the CCD. The spatial resolution is better than 360 TV lines, which is the theoretical limit of the full frame transfer CCD (FFT-CCD) of 512 by 512 pixels. No major degradation of either the photocathode sensitivity or the incorporated CCD was observed during the operation for a few tens hours. The life of the EB-CCD tube is being under evaluation. Keywords: Electron tube, Photocathode, Image intensifier, Electron-bombardment, CCD, Low light level imaging

Paper Details

Date Published: 12 December 1997
PDF: 8 pages
Proc. SPIE 3173, Ultrahigh- and High-Speed Photography and Image-based Motion Measurement, (12 December 1997); doi: 10.1117/12.294534
Show Author Affiliations
Motohiro Suyama, Hamamatsu Photonics KK (Japan)
Akihiro Kageyama, Hamamatsu Photonics KK (Japan)
Itaru Mizuno, Hamamatsu Photonics KK (Japan)
Katsuyuki Kinoshita, Hamamatsu Photonics KK (Japan)
Masaharu Muramatsu, Hamamatsu Photonics KK (Japan)
Koei Yamamoto, Hamamatsu Photonics KK (Japan)

Published in SPIE Proceedings Vol. 3173:
Ultrahigh- and High-Speed Photography and Image-based Motion Measurement
C. Bruce Johnson; Andrew Davidhazy; James S. Walton; Takeharu Goji Etoh; C. Bruce Johnson; Donald R. Snyder; James S. Walton, Editor(s)

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