Calibration of a mid-IR optical emission spectrometer with a 256-array PbSe detector and an absolute spectral analysis of IR signatures

Hyungwoo Lee, Changhoon Oh, Jae W. Hahn

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

A mid-IR (MWIR) optical emission spectrometer (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 MWIR emission spectrum. Various IR signatures from two flame sources were examined in order to evaluate the performance of the OES and verify its usefulness for low observable technology. The absolute emissions of their IR signatures were calculated and the amount of each emission was compared. The spectral response of the OES in the MWIR range was calibrated using a directly heated graphite blackbody; in addition, the total uncertainty of the OES was determined to be 5.24%.

Original languageEnglish
Pages (from-to)50-55
Number of pages6
JournalInfrared Physics and Technology
Volume57
DOIs
Publication statusPublished - 2013 Jan 28

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Spectrum analysis
spectrum analysis
light emission
Spectrometers
signatures
Calibration
spectrometers
Detectors
detectors
Graphite
spectral sensitivity
flames
emission spectra
graphite
lead selenide

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

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abstract = "A mid-IR (MWIR) optical emission spectrometer (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 MWIR emission spectrum. Various IR signatures from two flame sources were examined in order to evaluate the performance of the OES and verify its usefulness for low observable technology. The absolute emissions of their IR signatures were calculated and the amount of each emission was compared. The spectral response of the OES in the MWIR range was calibrated using a directly heated graphite blackbody; in addition, the total uncertainty of the OES was determined to be 5.24{\%}.",
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AU - Hahn, Jae W.

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AB - A mid-IR (MWIR) optical emission spectrometer (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 MWIR emission spectrum. Various IR signatures from two flame sources were examined in order to evaluate the performance of the OES and verify its usefulness for low observable technology. The absolute emissions of their IR signatures were calculated and the amount of each emission was compared. The spectral response of the OES in the MWIR range was calibrated using a directly heated graphite blackbody; in addition, the total uncertainty of the OES was determined to be 5.24%.

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