Introduction: Surface gravity surveying is a well developed terrestrial geophysical technique, used to detect subsurface density variations, which in turn can reveal subsurface geologic features. Here we perform a feasibility study to determine what major science questions can be answered by a rover-mounted, highly compact gravimeter and gravity gradiometer being designed by Gedex Inc.; a Toron...

We report the direct comparison between the stabilities of two mobile absolute gravimeters of different technology: the LNE-SYRTE Cold Atom Gravimeter (CAG) and FG5X#216 of the Université du Luxembourg. These instruments rely on two different principles of operation: atomic and optical interferometry. The comparison took place in the Walferdange Underground Laboratory for Geodynamics in Luxembo...

The IBEX-Lo instrument on the Interstellar Boundary Explorer (IBEX) mission measures interstellar neutral (ISN) helium atoms. detection of atoms is made through negative hydrogen (H$^-$) ions sputtered by from conversion surface. energy spectrum ISN broad and overlaps four lowest electrostatic analyzer (ESA) steps. Consequently, response function for does not correspond to nominal step transmis...

A low noise laser system for atom interferometry is realized with phase-locked fiber lasers, where the performance of OPLL greatly enhanced by FEOM feedback loop and narrow linewidths. The demonstrated contribute 2.2 mrad per shot to interferometer permit continuous long-term operation more than 115 hours without relocking in field test. Also, mobile gravimeter equipped this reaches a sensitivi...