Abstract:Absolute cryogenic radiometer is built based on a new theory of electrical-substitution measurement, which is for measuring the radiant power by using the equivalent electrical power and has recently served as a primary standard for radiant power measurements. This study aims to design and implement a cryogenic radiometers to measure the optical power in a range from <inline-formula><tex-math id="M1">\begin{document}$0.1\;{\text{μ}}{\rm{W}}$\end{document}</tex-math><alternatives><gra… Show more
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