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Charge induced acceleration noise in the LISA gravitational reference sensor
Sumner, Timothy J.; Wass, Peter J.; Conklin, John W. +2 more
The presence of free charge on isolated proof-masses, such as those within space-borne gravitational reference sensors, causes a number of spurious forces which will give rise to associated acceleration noise. A complete discusssion of each charge induced force and its linear acceleration noise is presented. The resulting charge acceleration noise…
Modeling spurious forces on the LISA spacecraft across a full solar cycle
Frank, Barrett M.; Piotrzkowski, Brandon; Bolen, Brett +2 more
One source of noise for the laser interferometer space antenna (LISA) will be time-varying changes of the space environment in the form of solar wind particles and photon pressure from fluctuating solar irradiance. The approximate magnitude of these effects can be estimated from the average properties of the solar wind and the solar irradiance. We…