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RASER: Ultraprecise Nuclear Magnetic Resonance Spectroscopy Making Use of Parahydrogen

Jülich, 17 July 2017 – Scientists from Forschungszentrum Jülich and RWTH Aachen University have discovered a phenomenon similar to the laser effect with which the structure of organic molecules can be examined at previously unmatched levels of precision. In contrast to a laser, this "raser" (radiowave amplification by stimulated emission of radiation) is pumped with parahydrogen and does not operate at light frequencies, instead oscillating continuously at various radio frequencies of around 100 kHz. A precise fingerprint of the molecular structure can thus be obtained.

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