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Proceedings Paper

Gated power supply technologies for advanced image intensifiers
Author(s): Joseph P. Estrera; Michael R. Saldana
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Paper Abstract

Photocathode gating offers the benefits of extending the dynamic range of an image intensifier (I2) tube as well as enabling a digital operating mode for camera and LIDAR applications, and has had applicability in the military, scientific, and industrial fields. Conventional gating applications have been limited to system level solutions, wherein the temporal characteristics of the photocathode gating signal are controlled at the system level. In these systems, the I2 and associated power supply act as slaves to the gating control inputs from system control electronics. Recently, Northrop Grumman Electro-Optical Systems (NGEOS) has applied the concepts of photocathode gating to the development of high performance miniature wrap-around power supplies used on 18mm and 25mm Generation III I2 filmed and Unfilmed MCP based tubes for military applications. Offering internal stand-alone sensing and control of gating characteristics for the I2 (Autogating), these devices provide the user with the advantages of increased dynamic range in a drop-in replacement solution into existing night vision systems.

Paper Details

Date Published: 5 February 2003
PDF: 11 pages
Proc. SPIE 4796, Low-Light-Level and Real-Time Imaging Systems, Components, and Applications, (5 February 2003); doi: 10.1117/12.450874
Show Author Affiliations
Joseph P. Estrera, Northrop Grumman Electro-Optical Systems (United States)
Michael R. Saldana, Northrop Grumman Electro-Optical Systems (United States)


Published in SPIE Proceedings Vol. 4796:
Low-Light-Level and Real-Time Imaging Systems, Components, and Applications
C. Bruce Johnson; Divyendu Sinha; Phillip A. Laplante, Editor(s)

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