PTB primary standard for optical radiant power: transfer-optimized facility in the clean-room centre

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Metrologia, Vol. 32, Iss. 6, 1995-12 ,pp. : 545-549

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Determination of the spectral radiance of transfer standards in the spectral range 110 nm to 400 nm using BESSY as a primary source standard

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Metrologia, Vol. 32, Iss. 6, 1995-12 ,pp. : 589-592

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The buoyancy method—a potential new primary ultrasound power standard

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Metrologia, Vol. 49, Iss. 3, 2012-06 ,pp. : 327-339

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Primary measurement of ultrasonic power and dissemination of ultrasonic power reference values by means of standard transducers

By Beissner K.  

Metrologia, Vol. 36, Iss. 4, 1999-08 ,pp. : 313-320

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A primary standard of optical power based on induced-junction silicon photodiodes operated at room temperature

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Metrologia, Vol. 51, Iss. 3, 2014-06 ,pp. : 197-202

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