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PTB is among the top names in metrology worldwide. As the National Metrology Institute of Germany, PTB is Germany's highest authority when it comes to correct and reliable measurements. Research and development work amounts to about two thirds of all of PTB's activities.
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Based on its research and development work, PTB provides a wide range of metrological services. The central task in this context – laid down by law – is to realize and to disseminate the units as accurately as possible. In this way, PTB ensures that uniform measures are used, not only in Germany, but throughout the world.
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Structure & Divisions
Divisions
Div. 4 Optics
4.5 Applied Radiometry
4.51 Reflection and Transmission
Animated graphics of reflection characteristics
Primed Barium sulphate

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Primed Barium sulphate

Angle of Incidence

Contact

Head of Working Group

Dr. Tatjana Quast

Phone: +49 531 592-4511
Email:
tatjana.quast(at)ptb.de

Address

Physikalisch-Technische Bundesanstalt
Bundesallee 100
38116 Braunschweig

Overview

The Physikalisch-Technische Bundesanstalt, the National Metrology Institute of Germany, is a scientific and technical higher federal authority falling within the competence of the Federal Ministry for Economic Affairs and Climate Action.

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