983 resultados para 87-584A


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Atomic magnetometry was performed at Earth's magnetic field over a free-space distance of ten meters. Two laser beams aimed at a distant alkali-vapor cell excited and detected the Rb-87 magnetic resonance, allowing the magnetic field within the cell to be interrogated remotely. Operated as a driven oscillator, the magnetometer measured the geomagnetic field with less than or similar to 3.5 pT precision in a similar to 2 s data acquisition; this precision was likely limited by ambient field fluctuations. The sensor was also operated in self-oscillating mode with a 5.3 pT root Hz noise floor. Further optimization will yield a high-bandwidth, fully remote magnetometer with sub-pT sensitivity. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4747206]

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Vorbesitzer: Avraham Yosef Shelomoh Grazaino; Abraham Merzbacher

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Vorbesitzer: Johannes Oppeler de Butzbach; Bartholomaeusstift Frankfurt am Main

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Dank für Glückwünsche (Gedicht)

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Vorbesitzer: Zacharias Konrad von Uffenbach;

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C. P. Straßheim

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Vorbesitzer: Johannes Lenglin; Dominikanerkloster Frankfurt am Main

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Vorbesitzer: Michelangelo Gualandi