Time-resolved absolute spectral analysis of IR countermeasure flares and its experimental validation by using an optical emission spectrometer with PbSe array detector

Hyungwoo Lee; Changhoon Oh; Jae W. Hahn

doi:10.1117/12.918837

17 May 2012 Time-resolved absolute spectral analysis of IR countermeasure flares and its experimental validation by using an optical emission spectrometer with PbSe array detector

Hyungwoo Lee, Changhoon Oh, Jae W. Hahn

Author Affiliations +

Proceedings Volume 8374, Next-Generation Spectroscopic Technologies V; 837408 (2012) https://doi.org/10.1117/12.918837
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

The absolute spectral radiant exitance of IR signatures from countermeasure flares for mid-IR was experimentally validated by using an optical emission spectrometer. A 256-array PbSe detector was installed to analyze the mid-IR emission spectrum of four IR signatures from countermeasure flares and propellants. We could evaluate the performance of the optical emission spectrometer and verify its usefulness in the field of IR countermeasures. The spectral response of the optical emission spectrometer was calibrated using a directly heated graphite blackbody; in addition, the total uncertainty was analyzed. The absolute amount of emissions of four IR signatures was calculated and compared.

Citation Download Citation

Hyungwoo Lee, Changhoon Oh, and Jae W. Hahn "Time-resolved absolute spectral analysis of IR countermeasure flares and its experimental validation by using an optical emission spectrometer with PbSe array detector", Proc. SPIE 8374, Next-Generation Spectroscopic Technologies V, 837408 (17 May 2012); https://doi.org/10.1117/12.918837

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