Author： Corredera P. Hernanz M. L. Campos J. Corróns A. Pons A. Fontecha J. L.
Publisher： IOP Publishing
ISSN： 0026-1394
Source： Metrologia, Vol.37, Iss.5, 2000-11, pp. : 519-522
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Abstract
An experimental set-up designed for the calibration of near-infrared detectors against a cryogenic radiometer, using a tuneable laser diode as source, is described. A complete characterization of the cryogenic radiometer has been performed at the Instituto de Fisica Aplicada (IFA, Madrid), at wavelengths of 1300 nm and 1550 nm. Two different secondary standards, an electrically calibrated pyroelectric radiometer and an InGaAs-based integrating-sphere radiometer, have been calibrated with relative uncertainties of less than 10-3 at these wavelengths.
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