A "Discrete Attenuation Of Radiance" Thermography System (DART)

D. Mansfield

doi:10.1117/12.945563

11 October 1988 A "Discrete Attenuation Of Radiance" Thermography System (DART)

D. Mansfield

Proceedings Volume 0916, Infrared Systems--Design and Testing; (1988) https://doi.org/10.1117/12.945563
Event: Sira/SPIE Infrared Meeting, 1988, London, United Kingdom

Abstract

The DART system is a thermography system based on the UK Class II Thermal Imaging Common Modules (TICM II). It uses a turret containing 4 filters as the means for selecting 4 different target temperature ranges. The physics of such a system is discussed paying particular attention to the CMT SPRITE detector. In particular, the effect of the total photon flux incident on the SPRITE regarding the detector responsivity is discussed,together with the spectral responsivity. Finally, the, consequences, of this detector behaviour are shown in terms of (i) the relative NETD between a DART' system and an alternative 'switched-gain head-amplifier' based system, and (ii) a discussion of the sensitivities of these two systems.

Citation Download Citation

D. Mansfield "A "Discrete Attenuation Of Radiance" Thermography System (DART)", Proc. SPIE 0916, Infrared Systems--Design and Testing, (11 October 1988); https://doi.org/10.1117/12.945563

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