31 citations · 71 across the 7 of their papers we have counts for
7 papers
Flight and ground demonstration of reproducibility and stability of photoelectric properties for passive charge management using LEDs
S. Buchman, T. S. M. Al Saud, A. Alfauwaz +7
Charges as small as 1 pC degrade the performance of high precision inertial reference instruments when accumulated on their test masses (TMs). Non-contact charge management systems…
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…
Ground Testing and Flight Demonstration of Charge Management of Insulated Test Masses Using UV LED Electron Photoemission
Shailendhar Saraf, Sasha Buchman, Karthik Balakrishnan +15
The UV LED mission demonstrates the precise control of the potential of electrically isolated test masses that is essential for the operation of space accelerometers and drag free…
The Design of a Drag-Free CubeSat and the Housing for its Gravitational Reference Sensor
Carlo Zanoni, Abdul Alfauwaz, Ahmad Aljadaan +11
A Drag-Free CubeSat mission has been proposed to demonstrate the feasibility of a Gravitational Reference Sensor (GRS) with an optical readout for a 3 units (3U) spacecraft. A pure…
Prospects for an advanced Kennedy-Thorndike experiment in low Earth orbit
J. A. Lipa, S. Buchman, S. Saraf +5
We discuss the potential for a small space mission to perform an advanced Kennedy-Thorndike test of Special Relativity using the large and rapid velocity modulation available in lo…
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…
LAGRANGE: LAser GRavitational-wave ANtenna at GEo-lunar Lagrange points
J. W. Conklin, S. Buchman, V. Aguero +36
We describe a new space gravitational wave observatory design called LAGRANGE that maintains all important LISA science at about half the cost and with reduced technical risk. It c…