Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Keck, Lorenz"'
Publikováno v:
Metrologia 61 045006 (2024)
We studied the anelastic aftereffect of a flexure being used in a Kibble balance, where the flexure is subjected to a large excursion in velocity mode after which a high-precision force comparison is performed. We investigated the effect of a constan
Externí odkaz:
http://arxiv.org/abs/2403.13955
Autor:
Schlamminger, Stephan, Keck, Lorenz, Seifert, Frank, Chao, Leon S., Haddad, Darine, Li, Shisong
Analytically the forces and torques on a coil in a field of magnetic flux density can be calculated one of two ways. The line integral can be conducted along the coil's wire, summing up the differential force contribution. For each differential line
Externí odkaz:
http://arxiv.org/abs/2208.12249
Autor:
Keck, Lorenz, Seifert, Frank, Newell, David, Schlamminger, Stephan, Thesk, Rene, Haddad, Darine
The ``Quantum Electro-Mechanical Metrology Suite'' (QEMMS) is being designed and built at the National Institute of Standards and Technology. It includes a Kibble balance, a Graphene quantum Hall resistance array and a Josephson voltage system, so th
Externí odkaz:
http://arxiv.org/abs/2206.12312
A new instrument is required to accommodate the need for increased portability and accuracy in laser power measurement above 100 W. Reflection and absorption of laser light provide a measurable force from photon momentum exchange that is directly pro
Externí odkaz:
http://arxiv.org/abs/2102.04556
Akademický článek
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Akademický článek
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Autor:
Keck, Lorenz, Seifert, Frank, Newell, David, Schlamminger, Stephan, Theska, René, Haddad, Darine
Publikováno v:
EPJ Techniques & Instrumentation; 7/11/2022, Vol. 9 Issue 1, p1-18, 18p
Autor:
Keck L; National Institute of Standards and Technology (NIST), Gaithersburg, 20899 MD, United States., Shaw G; National Institute of Standards and Technology (NIST), Gaithersburg, 20899 MD, United States., Theska R; Precision Engineering Group, Technische Universität Ilmenau, 98693 Ilmenau, Germany., Schlamminger S; National Institute of Standards and Technology (NIST), Gaithersburg, 20899 MD, United States.
Publikováno v:
IEEE transactions on instrumentation and measurement [IEEE Trans Instrum Meas] 2021; Vol. 70.