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Apparatus and method for high sensitivity magnetometry measurement and signal processing in a magnetic detection system
Apparatus and method for high sensitivity magnetometry measurement and signal processing in a magnetic detection system
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机译:在磁检测系统中用于高灵敏度磁力测量和信号处理的设备和方法
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摘要
A system for magnetic detection may include a nitrogen vacancy (NV) diamond material, a radio frequency (RF) excitation source, an optical excitation source, an optical detector, a magnetic field generator, and a controller. The controller may control the excitation sources to apply a first pulse sequence. The controller may receive a first light detection signal due to the first pulse sequence, measure first and second values of the first light detection signal at first and second reference periods, and compute a first measurement. The controller may further control the excitation sources to apply a second pulse sequence, receive a second light detection signal due to the second pulse sequence, measure first and second values of the second light detection signal at first and second reference periods, and compute a second measurement. The first and second measurements may be based on high and low resonance frequencies of the NV diamond material.
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