A Multichannel Wide FOV Infrared Radiometric System

S. Jacobson; Z. Lissak; Y. Yoav; Y. Komet; R. Davidson

doi:10.1117/12.951088

5 July 1989 A Multichannel Wide FOV Infrared Radiometric System

S. Jacobson, Z. Lissak, Y. Yoav, Y. Komet, R. Davidson

Proceedings Volume 1038, 6th Mtg in Israel on Optical Engineering; (1989) https://doi.org/10.1117/12.951088
Event: Sixth Meeting of Optical Engineering in Israel, 1988, Tel Aviv, Israel

Abstract

A radiometric system which consists of five IR radiometers with a mutual data acquisition system is described. The system was designed, developed and built at IAI to conduct simultaneous IR signature measurements of a high intensity source at different aspect angles. The requirement to provide a wide FOV radiometric capability led to a technical solution based on the combination of refractive and reflective optics. Each radiometer is equipped with a ZnSe lens, elliptical mirror, mechanical chopper and a thermoelectrically cooled PbSe detector. The chopper is positioned before the entrance aperture and its blades serve as an ambient temperature reference Black Body. The reference temperature is monitored by a temperature transducer. The optical layout of the radiometers and relevant ray tracing examples are demonstrated. The radiometer sensitivity and field of view response data are presented. The data acquisition as well as software capabilities are described. The system is remotely operated. Data on source intensity, at different aspect angles, may be obtained immediately after the test.

Citation Download Citation

S. Jacobson, Z. Lissak, Y. Yoav, Y. Komet, and R. Davidson "A Multichannel Wide FOV Infrared Radiometric System", Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); https://doi.org/10.1117/12.951088

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