一种带外部锁场通道的小型化核磁共振射频探头设计
王峰1,2,刘庭伟1,2,徐雅洁2,*(
),郁朋2,3,王亚2,彭博文2,4,杨晓冬2,#()
),郁朋2,3,王亚2,彭博文2,4,杨晓冬2,#()
A Miniaturised NMR RF Probe Design with External Field-locking Channel
WANG Feng1,2,LIU Tingwei1,2,XU Yajie2,*(),YU Peng2,3,WANG Ya2,PENG Bowen2,4,YANG Xiaodong2,#()
),YU Peng2,3,WANG Ya2,PENG Bowen2,4,YANG Xiaodong2,#()
图6. 氢、氟线圈的S参数测量结果.(a)氢线圈S11为-34.8 dB，氟线圈S11为-32.5 dB；(b)两线圈之间的隔离度S21在-30 dB左右
Fig. 6. S-parameter measurements for hydrogen and fluorine coils. (a) S11 -34.8 dB for hydrogen coil and S11 -32.5 dB for fluorine coil; (b) Isolation between the two coils S21 is around -30 dB
