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Proceedings Paper

Single and multiple event temporal response characteristics of ungated I2 tube systems
Author(s): Joseph P. Estrera; Michael T. Bell; Matthew Johnson
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Paper Abstract

The output brightness temporal response of non-gated image intensifying systems was examined. Generation III gallium arsenide image intensifiers (image tubes) using the P43 and P20 phosphors were tested for image persistence, minimum event detection, and minimum event temporal separation (multiple burst testing, where "event" refers to a burst of light of determined duration and brightness). Persistence tests showed some correlation with previously published data and suggest that both phosphors (P43 and P20) display multiple stages of decay. The minimum event detection tests showed the Generation III Image Intensifier tubes capable of detecting pulses with durations in the low microsecond region and suggested that for faster test setups the tubes may have the capability to operate in the nanosecond region. Finally, the multiple burst testing shows the complex temporal nature of image tube power supplies when encountering multiple, rapid flashes of light.

Paper Details

Date Published: 5 May 2010
PDF: 14 pages
Proc. SPIE 7688, Head- and Helmet-Mounted Displays XV: Design and Applications, 76880H (5 May 2010); doi: 10.1117/12.851077
Show Author Affiliations
Joseph P. Estrera, L-3 Electro-Optical Systems (United States)
Michael T. Bell, L-3 Electro-Optical Systems (United States)
Matthew Johnson, L-3 Electro-Optical Systems (United States)


Published in SPIE Proceedings Vol. 7688:
Head- and Helmet-Mounted Displays XV: Design and Applications
Peter L. Marasco; Paul R. Havig, Editor(s)

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