Development of a compact experimental apparatus for the evaluation of the effects of laser dazzling on second and third generation image intensifier tubes

Trevor R.K. Kraus; Andre Cantin; A. Fernet

doi:10.1117/12.328664

4 December 1998 Development of a compact experimental apparatus for the evaluation of the effects of laser dazzling on second- and third-generation image intensifier tubes

Trevor R.K. Kraus, Andre Cantin, A. Fernet

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Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328664
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

Recently low light level intensifier systems have come into widespread use by law enforcement agencies for drug and border control. At the same time that image tube technology has advanced, laser technology has seen similar improvements. As a result, due to the potentially damaging effects that lasers have on image intensifier (I²) tubes an evaluation procedure and test equipment needed to be developed in order to characterize the laser-to-I² interaction. The evaluation test apparatus developed in- house allows complete independent control on the four critical variables: background intensity, laser intensity/power, lasing angle of incidence, and target spatial frequency content. The uniqueness of the developed apparatus is that it is able to quantify the dazzling effects, both quantitatively and qualitatively. The apparatus was primarily designed to evaluate I² tube performance in the presence of a laser source by analyzing the loss of resolution by contrast reduction and image degradation of the image tube's output image. This document presents the compact experimental apparatus developed in- house necessary to study the effects of laser dazzling on second and third generation I² tubes.

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Trevor R.K. Kraus, Andre Cantin, and A. Fernet "Development of a compact experimental apparatus for the evaluation of the effects of laser dazzling on second- and third-generation image intensifier tubes", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328664

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KEYWORDS

Spatial frequencies

Image intensifiers

Oscilloscopes

Video

Laser development

Contrast transfer function

Cameras

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