High-Tc Superconductor Detection Coils for a Magnetic Resonance System
KANG Lin1, WU Pei-Heng1, PAN Jun1, CAI Wei-Xing1, YANG Sen-Zu1, CAO Chun-Hai2
1Research Institute of Superconductor Electronics, Department of Electronic Science and Engineering, Nanjing University, Nanjing 210093
2Institute of Nanjing Electronics Devices, Nanjing 210016
High-Tc Superconductor Detection Coils for a Magnetic Resonance System
KANG Lin1;WU Pei-Heng1;PAN Jun1;CAI Wei-Xing1;YANG Sen-Zu1;CAO Chun-Hai2
1Research Institute of Superconductor Electronics, Department of Electronic Science and Engineering, Nanjing University, Nanjing 210093
2Institute of Nanjing Electronics Devices, Nanjing 210016
Abstract： Considering that in a magnetic resonance system, if the detection coil contributes dominantly to the system noise, the performance of the whole system can certainly be improved by switching to a detection coil made of high-temperature superconductor, and using YBa2Cu3O7 thin films on 25 x 25mm2 LaAlO3 substrates, we have prepared two kinds of detection coils, i.e., single-coil and two-coil. Encouragingly, their quality factors are measured to be Q > 2500 for two-coil (at 22.566 MHz and 77 K) and Q > 5500 for single-coil (at 92.3 MHz and 77 K), respectively. Here, we describe the details of the design, fabrication and tests of the coils.
KANG Lin;WU Pei-Heng;PAN Jun;CAI Wei-Xing;YANG Sen-Zu;CAO Chun-Hai. High-Tc Superconductor Detection Coils for a Magnetic Resonance System[J]. 中国物理快报, 2002, 19(9): 1380-1381.
KANG Lin, WU Pei-Heng, PAN Jun, CAI Wei-Xing, YANG Sen-Zu, CAO Chun-Hai. High-Tc Superconductor Detection Coils for a Magnetic Resonance System. Chin. Phys. Lett., 2002, 19(9): 1380-1381.
2002, Vol. 19 
