Test mass for gravimeters and gradiometers
AssigneeMicro-g LaCoste, Inc.
InventorsTimothy Niebauer, Ryan Billson, Fred Klopping, Jess Valentine, Derek van Westrum
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Abstract
The present invention provides devices and methods for reducing or eliminating sources of systematic errors in the measurement of absolute gravity or gravity field gradients; specifically, an improved test mass for an interferometer is disclosed that reduces the influence of nearby electromagnetic fields on a freefalling test mass.
Claims20
A test mass for an interferometer comprising a non-conductive mass and a coating of electrically conductive material.
A test mass for an interferometer comprising a conductive mass with a non-contiguous surface.
An improved interferometer test mass comprising a perforated design.
Dependencies are inferred from the claim text.