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physics.ins-det2017★ 16 cited
Differential optical shadow sensor for sub-nanometer displacement measurement and its application to drag-free satellites
Andreas Zoellner, Si Tan, Shailendhar Saraf +4
We present a method for 3D sub-nanometer displacement measurement using a set of differential optical shadow sensor. It is based on using pairs of collimated beams on opposite side…
physics.ins-det2012
UV LED charge control of an electrically isolated proof mass in a Gravitational Reference Sensor configuration at 255 nm
Karthik Balakrishnan, Ke-Xun Sun, Abdul Alfauwaz +15
Precise control over the potential of an electrically isolated proof mass is necessary for the operation of devices such as a Gravitational Reference Sensor (GRS) and satellite mis…