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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. 9 — Sep. 10, 2005
  • pp: 549–551

Development of infrared spectral radiation measurement system of a non-luminous flame

Zhao Jin, Maohua Yang, Guibin Yuan, and Jingmin Dai  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue 9, pp. 549-551 (2005)

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The spectral radiation characteristic of a non-luminous flame is analyzed. The apparatus and the calibration procedure based on infrared emission spectrometry for measurements of the flame are introduced. The influence of background radiation and stray light on the measurement results could be reduced and suppressed by the design of thermolator and digital lock-in technique. A blackbody cavity was used as reference emission source to calibrate the system that completed absolute measurement. The spectral measurement range is 1---20 ?m. The least measuring distance and the lowest power detected at the entrance pupil are 550 mm and 10^(-9) W/cm2, respectively. The experimental results show that the measure error is less than 10%.

© 2005 Chinese Optics Letters

OCIS Codes
(000.3110) General : Instruments, apparatus, and components common to the sciences
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(280.2470) Remote sensing and sensors : Flames
(300.6340) Spectroscopy : Spectroscopy, infrared

Zhao Jin, Maohua Yang, Guibin Yuan, and Jingmin Dai, "Development of infrared spectral radiation measurement system of a non-luminous flame," Chin. Opt. Lett. 3, 549-551 (2005)

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