Abstract
The Metrology Light Source (MLS)—the dedicated electron storage ring of the Physikalisch-Technische Bundesanstalt (PTB), designed for metrology and technological applications in the spectral range from the far IR to the VUV—started user operation in April 2008. The MLS is used as a primary source standard from the NIR to the VUV spectral region and is therefore equipped with all the instrumentation necessary to measure with low uncertainty the storage ring parameters and the geometrical parameters needed for the calculation of the spectral photon flux according to the Schwinger theory. It can be operated at any electron beam energy between 105 MeV and 630 MeV and at electron beam currents varying from 1 pA (one stored electron) up to 200 mA, which allows conditions to be tailor-made for special applications.
Published Version
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