Abstract
A 3 mm channel diameter wall-stabilized arc run in argon at a pressure of 1.75*105 Pa has been used to determine absolute values for the argon continuum volume emission coefficients and argon continuum emission factors between 120 nm and 340 nm at axial temperatures of 12760K and 13780K. Absolute calibration was by means of blackbody-limited lines and sealed deuterium lamps. The uncertainties assigned to the continuum emission factors of +or-8% represent a significant advance in accuracy over previous measurements.
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