Article

Fiber-optic multiband radiometer for online measurements of near room temperature and emissivity.

Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics and Astronomy, Tel Aviv University, Israel.
Optics Letters (impact factor: 3.4). 03/2006; 31(3):326-8. pp.326-8
Source: PubMed

ABSTRACT A multiband infrared fiber-optic radiometer was developed for online near room temperature and emissivity measurements. Real time measurements were carried out on gray and selective bodies at near room temperature. The mean accuracy obtained for the body temperature was roughly 1 degrees C and for emissivity was roughly 0.03. The radiometer is capable of performing measurements without prior knowledge of the body emissivity. Incorporation of fiber optics allows one to perform measurements without a clear line of sight between the radiometer and the body. This radiometer will have important applications in biology, electronics, and other areas.

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Keywords

body emissivity
 
body temperature
 
clear line
 
emissivity measurements
 
fiber optics
 
gray
 
mean accuracy
 
measurements
 
multiband infrared fiber-optic radiometer
 
online
 
prior knowledge
 
Real time measurements
 
room temperature
 
selective bodies