Acta Physica SinicaTHE MICROWAVE-RADIO FREQUENCY MULTI-QUANTUM TRANSITION IN OPTICAL PUMPING EXPERIMENT (CONTINUED)Shuqin Liu, DONG TAI-QIAN, 北京大学Published Jan 1, 1985• 0 citationsPublisherAbstractThe microwave-radio frequency multi-quantum transition in optical pumping experiment is studied for different r.f. power. The microwave-r.f. subharmonic multi-quantum trasition has also been observed.DOI10.7498/aps.34.828