Scott Crane

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H. Jiang, F. Kéfélian, S. Crane, O. Lopez, M. Lours, J. Millo, D. Holleville, P. Lemonde, Ch. Chardonnet, A. Amy-Klein, G. Santarelli LNE-SYRTE, Observatoire de Paris, CNRS, 61 avenue de l'Observatoire, 75014 Paris, France Laboratoire de Physique des Lasers (LPL), UMR 7538, CNRS and Université Paris 13, 99 av. J.B. Clément, 93430 Villetaneuse, France(More)
Multiferroic materials, or materials that simultaneously possess two or more ferroic order parameters, have returned to the forefront of materials research. Driven by the desire to achieve new functionalities—such as electrical control of ferromagnetism at room temperature—researchers have undertaken a concerted effort to identify and understand the(More)
Many atomic physics and frequency metrology applications require nonmagnetic optical viewports for ultra high vacuum (UHV) chambers. We have refined two techniques for producing specialized UHV optical viewports. The first is a weld-in window cell made by brazing an optical blank into a thin weld collar. The second is a mechanical sealing method that relies(More)
Presents a configuration language based approach to the description and construction of distributed multiuser applications. The authors describe the facilities of the configuration language DARWIN which permit the description of multiuser applications in a manner identical to normal configuration-based parallel or distributed programs. The implementation(More)
We have carried out stability comparisons between our rubidium fountain, built as a prototype for a continuously operating clock, and the USNO Maser Mean timescale. Long, continuous runs of the prototype system allow us to demonstrate fractional frequency-stability comparisons to the Maser Mean that integrate as white frequency noise, with a stability of(More)
Tests of local position invariance (LPI) made by comparing the relative redshift of atomic clocks based on different atoms have been carried out for a variety of pairs of atomic species. In most cases, several absolute frequency measurements per year are used to look for an annual signal, resulting in tests that can span on order of a decade. By using the(More)
The Wernicke-Korsakoff syndrome, commonplace in Australia, might be prevented by the enrichment of alcoholic beverages with thiamine. The use of the well absorbed thiamine alkyl disulphides for the enrichment of the most relevant Australian beverage, namely beer, is examined. A liquid chromatographic method is described whereby thiamine tetrahydrofurfuryl(More)
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