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  • In Jour Smart Sensing And Intelligent Systems

 

Article | 01-June-2016

CHARACTERIZATION OF PHOTODECTORS USING A MONOCHROMATOR AND A BROADBAND LIGHT SOURCE IN THE XYZ COLOR SPACE

broadband source as input of the monochromator to vary the wavelength each five nm. The characteristic curves of one commercial color sensor were obtained (including the loss) using the output ratio of the monochromator. Via the numerical expression of the response curve, it is possible to model the actual response of the photodetectors to known or simulated spectra of electromagnetic radiation, and thus to generalize photometric measurements. Previously we have demonstrated the importance of obtaining

J.-S. Botero V., F.-E. López G., J.-F. Vargas B.

International Journal on Smart Sensing and Intelligent Systems, Volume 9 , ISSUE 2, 752–764

Research Article | 17-September-2018

Calibration Method for the Wavelength and Uniformity of Pixel Response in Photodetector Arrays

to obtain optical measurements with this cameras. However, digital cameras can also be used as optical measuring instruments knowing their features in depth. Therefore, in this paper is proposed a calibration method for monochrome digital camera using a monochromator and an automatic rotation system. In this way, the uniformity of the pixels response is verified, bad pixels are detected, and the sensitivity curve is obtained. The results show the advantages of the method to find regions of pixels

J.-S. Botero-Valencia, J. Valencia-Aguirre, D.A. Marquez-Viloria, J.-F. Vargas-Bonilla, A. Gallardo-del Angel

International Journal on Smart Sensing and Intelligent Systems, Volume 11 , ISSUE 1, 1–8

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