A beam of laser light “pumps” the atoms so that their spins are polarized, then “probes” the polarized atoms for an MRI signal.
A beam of laser light “pumps” the atoms so that their spins are polarized, then “probes” the polarized atoms for an MRI signal.
一束激光将原子泵出，使得它们的自旋带有极性，然后探测拥有极性的原子来产生MRI信号。