Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity.

Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity. Research Abstract Details 

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Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity. Abstract Text:

Seongchong Park,Dong-Hoon Lee,Yong-Wan Kim,Seung-Nam Park,Seongchong Park,Dong-Hoon Lee,Yong-Wan Kim,Seung-Nam Park,

An uncertainty evaluation is presented for the spectroradiometric measurement of the averaged LED intensity (ALI), which is a standardized photometric quantity of LEDs introduced by the Commission Internationale de l'Eclairage. Using a spectral irradiance standard lamp as a calibration source for the spectroradiometer, 12 uncertainty components are sorted out and their propagation formulated with correlations between the components taken into account. The procedure of uncertainty evaluation is demonstrated for four LED samples of different colors; red, green, blue, and white. The relative uncertainties of the ALI of the test samples are determined to be in a range from 4.1% to 5.5% (k=2), but most of their dominant uncertainty components turn out to be systematic and correlated. In conclusion, correlations between the uncertainty components critically affect the overall uncertainty of the LED measurement using a spectroradiometer.

Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity. Publishing Authors By Initials

S Park,DH Lee,YW Kim,SN Park,S Park,DH Lee,YW Kim,SN Park,

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Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Applied optics

VOLUME: 46

Page Numbers: 2851-8

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ISSN: 0003-6935

DAY: 20

MONTH: May

YEAR: 2007

Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Uncertainty evaluation for the spectroradiometric measurement of the averaged light-emitting diode intensity.

AFFILIATION: Division of Physical Metrology, Korea Research Institute of Standards and Science, Doryong-dong 1, Yuseong-gu, Daejeon, South Korea. spark@kriss.re.kr

Country: United States

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MEDLINETA: Appl Opt

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