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    • 7. 发明授权
    • Diode laser-pumped magnetometer
    • 二极管激光泵浦磁力仪
    • US06472869B1
    • 2002-10-29
    • US09883166
    • 2001-06-18
    • Bernard L. UpschulteSteven J. DavisLudwig C. BallingJohn J. Wright
    • Bernard L. UpschulteSteven J. DavisLudwig C. BallingJohn J. Wright
    • G01V300
    • G01R33/26
    • A diode laser-pumped magnetometer includes a diode laser that emits a polarized pumping laser beam with resonant optical radiation; and a K-cell through which a magnetic field is manifested from an independent source, the K-cell containing atoms with a dipole experiencing a torque due to the magnetic field. The atoms are excited by the resonant optical radiation of the pumping laser beam and periodically emitting a response radiation as they return to ground state such that the response radiation includes photons that indicate one unit of angular momentum indicative of the torque due to the magnetic field. Finally, a photodetector serves as a means for measuring the response radiation of the K-cell to indicate thereby a measure of the magnetic field in the K-cell from the independent magnetic source.
    • 二极管激光泵浦磁力计包括发射具有共振光辐射的偏振激光激光束的二极管激光器; 以及从独立的源表现出磁场的K电池,K电池含有具有由于磁场而产生转矩的偶极子的原子。 原子被泵浦激光束的谐振光辐射激发,并且当它们返回到基态时周期性地发射响应辐射,使得响应辐射包括指示由于磁场引起的转矩的一个角度动量单位的光子。 最后,光检测器用作测量K电池的响应辐射的装置,从而指示来自独立磁源的K电池中的磁场的测量。