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A new calibration technique is described which allows a monochromatic source and detectors to be obtained as secondary standards in the vacuum ultraviolet spectral range. The method of operation is based on the comparison, against a thermopile, between an ultraviolet flux from a monochromator and the total flux from a blackbody simulator. The over-all uncertainty does not exceed 20%.
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G. Marette (1976) studied this question.
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