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A resonant line is a line that has standing waves of current and voltage. It is of finite length and is not terminated in its characteristic impedance.
Single-beam zero-field biaxial vector magnetometer and its use and applications
This invention relates to the field of ultrasensitive magnetic measurement technology based on quantum sensing, and in particular to a single-beam zero-magnetic-field dual-axis vector magnetometer and its usage and applications. This invention employs a single probe laser beam to simultaneously perform pumping and detection functions, and innovatively combines the tensor-vector polar moment conversion (AOC) effect, magnetic field modulation, and large-amplitude modulation of the optical frequency. This significantly reduces the resonant linewidth of the magnetometer while suppressing photon shot noise and detector electronic noise, and achieves dual-axis magnetic field measurement in a zero-magnetic environment. In laboratory desktop experiments, a sensitivity of level 10 can be achieved.
Owner:FUDAN UNIVERSITY