Current state of the art in small mass and force metrology within the International System of Units

GA Shaw - Measurement Science and Technology, 2018 - iopscience.iop.org
This review article summarizes new scientific trends in research for metrology of small mass
(1 mg and lower) and small force (10 micronewtons and lower). After a brief introduction to …

Milligram mass metrology using an electrostatic force balance

GA Shaw, J Stirling, JA Kramar, A Moses, P Abbott… - Metrologia, 2016 - iopscience.iop.org
Although mass is typically defined within the International System of Units (SI) at the
kilogram level, the pending SI redefinition provides an opportunity to realize mass at any …

Perspective on small mass and force measurements

K Arumugam, G Shaw - Measurement Science and Technology, 2023 - iopscience.iop.org
The measurement of small mass and force is as pertinent now as it was in 1923 when EM
Eden and CG Eden published their article titled'Two machines for rapidly weighing loads of …

Design of an electrostatic balance mechanism to measure optical power of 100 kW

L Keck, G Shaw, R Theska… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
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 …

Measurement of submilligram masses using electrostatic force

GA Shaw, J Stirling - IEEE Transactions on Instrumentation and …, 2019 - ieeexplore.ieee.org
The redefinition of the kilogram within the International system of units provides a direct link
between mass and Planck's constant. With this in place, it becomes possible to realize the …

Finite-element simulation of effect of surface roughness of coaxial cylindrical electrodes on small mass and force measurements using voltage balance apparatus

K Fujita, N Kuramoto - IEEE Transactions on Instrumentation …, 2022 - ieeexplore.ieee.org
A voltage balance apparatus that uses the electrostatic force between coaxial electrodes
was developed at the National Metrology Institute of Japan for the accurate and traceable …

[PDF][PDF] Certification of standard reference material® 3461

RS Gates, WA Osborn, MJ McLean, GA Shaw… - 2022 - nvlpubs.nist.gov
A batch of 94 silicon chips containing arrays of uniform rectangular cantilevers was
microfabricated from a single silicon wafer and their stiffnesses and resonance frequencies …

[PDF][PDF] High resolution force measurement system for Lorentz force velocimetry

N Yan - 2019 - d-nb.info
The Lorentz force velocimetry (LFV) was introduced as a novel method for non-contact
velocity measurements of electrically conducting flows. The induced Lorentz force is …

Scaling of mass and force using electrical metrology

GA Shaw - 2018 Conference on Precision Electromagnetic …, 2018 - ieeexplore.ieee.org
The impending redefinition of the International System of Units (SI) allows realization of the
kilogram using electrical metrology. It can be shown that electrical metrology can also be …

Comparison of Low DC Current Traceability Methods and Gas Capacitors AC–DC Dependence

L Callegaro, C Cassiago, V D'Elia… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article compares two instruments for the traceable measurement of dc low currents, a
custom capacitance-voltage (CV) source and the ultrastable low-current amplifier (ULCA), a …