System and method for femtotesla direct magnetic gradiometer using a multipass cell
AssigneeThe Trustees of Princeton University
InventorsMichael Romalis, Nezih Dural, Vito-Giovanni Lucivero, Wonjae Lee
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AssigneeThe Trustees of Princeton University
InventorsMichael Romalis, Nezih Dural, Vito-Giovanni Lucivero, Wonjae Lee
Estimating the term…
According to various embodiments, a direct magnetic gradiometer having intrinsic subtraction of rotation signals from two oppositely polarized atomic ensembles within a single multi-pass cell is disclosed. The gradiometer includes three convex spherical mirrors aligned in a V-shape geometry. The three convex spherical mirrors include a front mirror and two back mirrors. The gradiometer further includes a probe laser beam. The laser beam is configured to be initially focused at a near-zero angle into a hole at a center of the front mirror such that the laser beam expands at the back mirrors and nearly overlaps with itself while undergoing multiple reflections between the front and back mirrors. The laser beam is further configured to be refocused to the front mirror at different spots in a number equal to half of total beam passes before exiting.
A direct magnetic gradiometer having intrinsic subtraction of rotation signals from two atomic ensembles within a single multi-pass cell, the gradiometer comprising:
An optical arrangement comprising:
A method for operating an optical arrangement, the optical arrangement including a laser beam and three convex spherical mirrors aligned in a V-shape geometry, the three convex spherical mirrors including a front mirror and two back mirrors, the method comprising:
Dependencies are inferred from the claim text.