DFB laser module designed to test subtleties of General Relativity

Quelle: Laser Focus World, 23.04.2015 (in Englisch)

Researchers at Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (FBH; Berlin, Germany) have designed and constructed a microintegrated semiconductor-laser module that is part of an atomic clock specifically designed to test the subtleties of Einstein's General Relativity theory.
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