BIPM - The International Bureau of Weights and Measures


EURAMET - The European Association of National Metrology Institutes


EURAMET Calibration Guides and Technical Guides


The European Metrology Research Programme (EMRP)


The European Metrology Programme for Innovation and Research (EMPIR)


EA - European Accreditation


ILAC - The international organisation for accreditation bodies,


System of Units (SI Units), New SI in 2018


CODATA Internationally recommended values of the Fundamental Physical Constants


CODATA Task Group on Fundamental Constants


Engineering Metrology Toolbox


Elastic Compression Calculator


Refractive Index of Air Calculator Based on Modified EdlÚn Equation


Refractive Index of Air Calculator Based on Ciddor Equation


DABAM: an open-source database of X-ray mirrors metrology


Gamma, X-Ray and Extreme UV Optics (FX)


The European XFEL, Germany


ESRF - The European Synchrotron Radiation Facility, France


CERN - European Council for Nuclear Research, Switzerland


Photon source BESSY II, Germany


Diamond Light Source, UK


The Advanced Light Source (ALS), Lawrence Berkeley National Laboratory (Berkeley Lab), USA.


The Advanced Photon Source (APS), Argonne National Laboratory, USA.


NSLS-II, National Synchrotron Light Source II, Brookhaven National Laboratory, USA.


SLAC National Accelerator Laboratory, Stanford University, USA.


The Shanghai Synchrotron Radiation Facility (SSRF)


List of synchrotron radiation facilities