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The development of the State Working Standard of the unit of average power of optical radiation for fiber-optic transmission systems and lasers functioning in the range 0.05–5 W in the spectral band 0.19–12 μm with expanded uncertainty not exceeding 0.985·10–2 is evaluated. A technique of disseminating the unit at the 1 mW level directly from the State Primary Special Standard of the units of length...
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