论文标题
磁场的精确控制和时间孔隙式陷阱中的光学极化
Precise control of magnetic fields and optical polarization in a time-orbiting potential trap
论文作者
论文摘要
旋转电势陷阱的时间限制了旋转磁场中的中性原子。该场的旋转对于精确测量可能很有用，因为它可以平均产生一些系统的影响。但是，与静态场相比，该场比静态场更难表征，并且相对于量化轴，它在原子上施加光具有变化的光极极化。可以使用频道镜技术克服这些问题，在这种技术中，射频场或激光施加在与旋转场同步的脉冲中。使用这些方法，可以以10 mg的精度来表征磁场，并且可以用$ 5 \ times 10^{ - 5} $的极化误差施加光。
A time orbiting potential trap confines neutral atoms in a rotating magnetic field. The rotation of the field can be useful for precision measurements, since it can average out some systematic effects. However, the field is more difficult to characterize than a static field, and it makes light applied to the atoms have a time-varying optical polarization relative to the quantization axis. These problems can be overcome using stroboscopic techniques, where either a radio-frequency field or a laser is applied in pulses that are synchronized to the rotating field. Using these methods, the magnetic field can be characterized with a precision of 10 mG and light can be applied with a polarization error of $5\times 10^{-5}$.
