Research and some applications of high-Tc SQUIDS

H. C. Yang*, Shu Yu Wang, Chin Hao Chen, J. T. Jeng, Jau Han Chen, H. E. Horng


研究成果: 雜誌貢獻期刊論文同行評審

12 引文 斯高帕斯(Scopus)


In the work, we studied the noise characteristics of electronic gradiometers in unshielded environments. In the off-axis electronic gradiometers for biomagnetic measurements, we optimized low frequency noise and performed two-dimensional magnetic mapping of magnetic signal from human heart. The measured magnetocardiography (MCG) signal was averaged according to the simultaneously recorded electrocardiography signal to further enhance the signal-to-noise ratio. The off-axis configuration in our gradiometer system offers the flexibility for multichannel SQUID-based MCG applications. In the study of the SQUID microscope for circuit detection in unshielded environment, we fabricated SQUIDs, considered the design of cryostat, and used the lock-in technique to examine the circuit board. We also examined the magnetic field pattern from the magnetized magnetic thin film.

頁(從 - 到)509-520
期刊Journal of Low Temperature Physics
出版狀態已發佈 - 2003 五月

ASJC Scopus subject areas

  • 原子與分子物理與光學
  • 材料科學(全部)
  • 凝聚態物理學


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