Use of Transition Models to Design High Performance TESs for the LCLS-II Soft X-Ray Spectrometer [0.03%]
过渡模型在LCLS-II软X射线光谱仪高功率TES设计中的应用研究
Kelsey M Morgan,Dan T Becker,Douglas Alan Bennett et al.
Kelsey M Morgan et al.
We are designing an array of transition-edge sensor (TES) microcalorimeters for a soft X-ray spectrometer at the Linac Coherent Light Source at SLAC National Accelerator Laboratory to coincide with upgrades to the free electron laser facili...
Characterization of Uniformity in Nb/NbxSi1-x/Nb Josephson Junctions [0.03%]
Nb/NbxSi1-x/Nb约瑟夫森结的均匀性表征
Ian W Haygood,Eric R J Edwards,Anna E Fox et al.
Ian W Haygood et al.
The uniformity of the barriers in Josephson junctions (JJs) is a critical parameter in determining performance and operating margins for a wide variety of superconducting electronic circuits. We present an automated measurement system capab...
Thibault Lécrevisse,Yukikazu Iwasa
Thibault Lécrevisse
In this paper, we report preliminary experimental results on protection study of two REBCO pancake coils based on the metal-as-insulation (MI) winding technique, a variant of the no-insulation (NI) winding technique, in which a metallic tap...
High-Temperature Superconducting Magnets for NMR and MRI: R&D Activities at the MIT Francis Bitter Magnet Laboratory [0.03%]
MIT Francis Bitter磁实验室的核磁共振和磁共振成像用高温超导磁体研究开发活动
Yukikazu Iwasa,Juan Bascuñán,Seungyong Hahn et al.
Yukikazu Iwasa et al.
This paper describes the NMR/MRI magnets that are currently being developed at the MIT Francis Bitter Magnet Laboratory: 1) a 1.3 GHz NMR magnet; 2) a compact NMR magnet assembled from YBCO annuli; and 3) a persistent-mode, fully-protected ...
Analyses of Transient Behaviors of No-Insulation REBCO Pancake Coils During Sudden Discharging and Overcurrent [0.03%]
无绝缘REBCO煎饼线圈在突然放电和过流时瞬态行为的分析
Tao Wang,So Noguchi,Xudong Wang et al.
Tao Wang et al.
Stability margin of a high-temperature superconducting (HTS) coil is two or three orders of magnitude greater than that of a low-temperature superconducting coil. In recent years, many papers have reported test results of turn-to-turn no-in...
Yukikazu Iwasa,Juan Bascuñán,Seungyong Hahn et al.
Yukikazu Iwasa et al.
A high-resolution 1.3-GHz/54-mm low-temperature superconducting/high-temperature superconducting (HTS) nuclear magnetic resonance magnet (1.3 G) is currently in the final stage at the Massachusetts Institute of Technology Francis Bitter Mag...
Designs and Tests of Shaking Coils to Reduce Screening Currents Induced in HTS Insert Coils for NMR Magnet [0.03%]
用于减少HTS插入线圈在NMR磁体中感应的屏蔽电流的振动线圈的设计与测试
Kazuhiro Kajikawa,Gwendolyn V Gettliffe,Yong Chu et al.
Kazuhiro Kajikawa et al.
Two types of shaking coils are focused on reducing screening currents induced in solenoid coils wound with high-temperature superconducting (HTS) tapes. One is a pair of copper shaking coils coaxially located inside and outside the HTS coil...
90-mm/18.8-T All-HTS Insert Magnet for 1.3 GHz LTS/HTS NMR Application: Magnet Design and Double-Pancake Coil Fabrication [0.03%]
用于1.3GHz LTS/HTS核磁共振应用的90毫米/18.8特斯拉全高温超导插入磁体:磁体设计和双面蛋糕线圈制造
Juan Bascuñán,Seungyong Hahn,Youngjae Kim et al.
Juan Bascuñán et al.
This paper deals with the latest design of an all High Temperature Superconductor (HTS) insert for our 1.3 GHz NMR program. Due to a loss of our original 600 MHz HTS insert, the entire program was revised, and upon further examination of th...
Numerical and Experimental Study to Fabricate the New Type Compact NMR Device Using Stacked HTS Bulks [0.03%]
使用堆叠高温超导块材制造新型紧凑型NMR设备的数值与实验研究
S B Kim,T Kimoto,Y Yano et al.
S B Kim et al.
In fabrication of a compact NMR (Nuclear Magnetic Resonance) magnet which consists of a stacked HTS (High Temperature Superconducting) bulk annuli, generally there are three key issues: spatial homogeneity, temporal stability, strength of t...
Seungyong Hahn,Dong Keun Park,Juan Bascuñán et al.
Seungyong Hahn et al.
This paper reports a study of HTS pancake coils without turn-to-turn insulation. Three no-insulation (NI) pancake coils were wound: each single and double pancake coil of Bi2223 conductor and one single pancake of ReBCO conductor. An equiva...