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A Simplified Gravitational Reference Sensor for Satellite Geodesy
Anthony Davila Alvarez, Aaron Knudtson, Unmil Patel +16
We describe a Simplified Gravitational Reference Sensor (S-GRS), an ultra-precise inertial sensor for future Earth geodesy missions. These sensors are used to measure or compensate…
Charge Induced Acceleration Noise in the LISA Gravitational Reference Sensor
Timothy J Sumner, Guido Mueller, John W Conklin +2
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 a…
Effective decrease of photoelectric emission threshold from gold plated surfaces
Peter J Wass, Daniel Hollington, Timothy J Sumner +2
Many applications require charge neutralisation of isolated test bodies and this has been successfully done using photoelectric emission from surfaces which are electrically benign…
Precision Charge Control for Isolated Free-Falling Test Masses: LISA Pathfinder Results
M. Armano, H. Audley, J. Baird +82
The LISA Pathfinder charge management device was responsible for neutralising the cosmic ray induced electric charge that inevitably accumulated on the free-falling test masses at…
Lifetime Testing UV LEDs for Use in the LISA Charge Management System
D Hollington, J T Baird, T J Sumner +1
As a future charge management light source, UV light-emitting diodes (UV LEDs) offer far superior performance in a range of metrics compared to the mercury lamps used in the past.…