Abstract

A simple derivation is given of the formula for the spectral emission of a thermally excited gas. The accompanying discussion provides a clear answer to the problem of how line emission and blackbody emission of any gas or vapor are interrelated.

© 1949 Optical Society of America

Industrial Use of Radiation Pyrometers under Non-Blackbody Conditions

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Low Temperature Radiation Pyrometry in Industry

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On the Ultimate Sensitivity and Practical Performance of Radiation Detectors

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