Component-level testing updates for the infrared polarized scene-generator demonstrator

Peter S. Erbach; J. Larry Pezzaniti; John Reinhardt; David B. Chenault; Dennis H Goldstein; Heard S. Lowry

doi:10.1117/12.851910

23 April 2010 Component-level testing updates for the infrared polarized scene-generator demonstrator

Peter S. Erbach, J. Larry Pezzaniti, John Reinhardt, David B. Chenault, Dennis H Goldstein, Heard S. Lowry

Proceedings Volume 7663, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing XV; 766307 (2010) https://doi.org/10.1117/12.851910
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

Polarization signature information is becoming more useful as an added classifier in a variety of signature analysis applications. However, there are few infrared (IR) scene projection systems that provide the capability to inject target simulation images with polarization content into a seeker, or other imaging sensor. In a previous paper¹ we discussed experimental results for an infrared (IR) polarized scene generator (PSG) concept demonstrator. The concept demonstrator operated in ambient environmental conditions and displayed polarized scenes of resolved targets. The IR PSG demonstrator that is the goal of this research must be capable of testing sensor systems operating in cryogenic-vacuum (cryo-vac or CV) environments. The IR PSG must also be able to accurately project scenes with unresolved polarized targets. As part of the development process, several potential PSG components are being tested in ambient and liquid nitrogen (LN2) environments to verify functionality and changes in behavior at ambient, vacuum, and cryovac conditions. This paper presents test data for several of the components. Components tested were an IR source, a polarizer, and motion control components. We also present test data for an imaging polarimeter being developed to validate the PSG.

Citation Download Citation

Peter S. Erbach, J. Larry Pezzaniti, John Reinhardt, David B. Chenault, Dennis H Goldstein, and Heard S. Lowry "Component-level testing updates for the infrared polarized scene-generator demonstrator", Proc. SPIE 7663, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing XV, 766307 (23 April 2010); https://doi.org/10.1117/12.851910

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