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Physics > Instrumentation and Detectors
Title: Harmonic analysis of atomic vapor magnetization for in situ calibration of tri-axial time-dependent magnetic field
(Submitted on 22 Apr 2024)
Abstract: We introduce a methodology to calibrate in situ a set of coils generating bi- or tri-axial magnetic fields, at frequencies where a calibration performed in static condition would be inaccurate. The coil constants are determined in a two-step procedure. Considering the presence of a static and of a time-dependent field, firstly, the static one is oriented perpendicularly to the polarization plane of a time dependent one; secondly, the polarization of the latter is made accurately circular. The methodology uses harmonic analysis of one component of the magnetization of an atomic sample whose spins adiabatically follow the time-dependent field.
Submission history
From: Valerio Biancalana [view email][v1] Mon, 22 Apr 2024 20:52:45 GMT (965kb,D)
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