A mid-IR optical emission spectrometer with a PbSe array detector for analyzing spectral characteristic of IR flares

Wondong Lee; Minwook Kang; Jae W. Hahn

doi:10.1117/12.2075143

9 January 2015 A mid-IR optical emission spectrometer with a PbSe array detector for analyzing spectral characteristic of IR flares

Wondong Lee, Minwook Kang, Jae W. Hahn

Author Affiliations +

Proceedings Volume 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014); 944415 (2015) https://doi.org/10.1117/12.2075143
Event: International Seminar on Photonics, Optics, and Applications 2014, 2014, Sanur, Bali, Indonesia

Abstract

A mid-IR optical emission spectrometer (mid-IR OES) was designed and constructed to detect the absolute spectral radiant exitance of IR signatures. A 256-array PbSe detector was adopted to analyze the mid-IR emission spectrum from countermeasure flares. The spectral response of the optical emission spectrometer was obtained using a directly heated graphite blackbody. The absolute emissions of their IR signatures were inferred by applying spectral response to the spectrum intensity data. Also, we devised a post processing method for compensating diffraction order overlap in a mid- IR grating spectrometer using an array detector. We confirmed the validity of the compensation method by comparing the signal intensities acquired using the different methods.

Citation Download Citation

Wondong Lee, Minwook Kang, and Jae W. Hahn "A mid-IR optical emission spectrometer with a PbSe array detector for analyzing spectral characteristic of IR flares", Proc. SPIE 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014), 944415 (9 January 2015); https://doi.org/10.1117/12.2075143

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