Angle measurement under pressure | PTB News

September 17, 2019 Office

PTB News 2.2019 High-precision angle measurements carried out by means of autocollimators are significantly influenced by the refractive index of air – and thus in particular by the ambient pressure. When comparing measurements that have […]

Call for Papers

February 28, 2019 Office

Metrology is invisible.  Try searching a major newspaper or science publication for “metrology” and see what results you get.  And of those watered-down results, which ones offer any practical value to your work?  For 25 […]

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