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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 33 — Nov. 20, 2011
  • pp: 6267–6271

High-speed two-camera imaging pyrometer for mapping fireball temperatures

John M. Densmore, Barrie E. Homan, Matthew M. Biss, and Kevin L. McNesby  »View Author Affiliations

Applied Optics, Vol. 50, Issue 33, pp. 6267-6271 (2011)

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A high-speed imaging pyrometer was developed to investigate the behavior of flames and explosive events. The instrument consists of two monochrome high-speed Phantom v7.3 m cameras made by Vision Research Inc. arranged so that one lens assembly collects light for both cameras. The cameras are filtered at 700 or 900 nm with a 10 nm bandpass. The high irradiance produced by blackbody emission combined with variable shutter time and f-stop produces properly exposed images. The wavelengths were chosen with the expected temperatures in mind, and also to avoid any molecular or atomic gas phase emission. Temperatures measured using this pyrometer of exploded TNT charges are presented.

OCIS Codes
(110.6820) Imaging systems : Thermal imaging
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.6780) Instrumentation, measurement, and metrology : Temperature
(280.6780) Remote sensing and sensors : Temperature

ToC Category:
Imaging Systems

Original Manuscript: August 22, 2011
Manuscript Accepted: September 14, 2011
Published: November 18, 2011

John M. Densmore, Barrie E. Homan, Matthew M. Biss, and Kevin L. McNesby, "High-speed two-camera imaging pyrometer for mapping fireball temperatures," Appl. Opt. 50, 6267-6271 (2011)

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