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  • Chukharkin Leonidovich, Maxim,1980Chalmers tekniska högskola,Chalmers University of Technology (author)

Novel HTS DC squid solutions for NMR applications

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • 2013-08-10
  • Dordrecht :Springer Netherlands,2014

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/194715
  • ISBN:9789400772649
  • https://gup.ub.gu.se/publication/194715URI
  • https://doi.org/10.1007/978-94-007-7265-6_13DOI
  • https://research.chalmers.se/publication/194715URI

Supplementary language notes

  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We have developed a multilayer flux-transformer-based high-TC SQUID (flip-chip) magnetometer that improves signal-to-noise-ratios (SNR) in ultra-low field magnetic resonance (ulf-MR) recordings of protons in water. Direct ulf-MR-based benchmarking of the flip-chip versus a standard planar high-T C SQUID magnetometer resulted in improvement of the SNR by a factor of 2. This gain is attributable to the improved transformation coefficient (1.9 vs 5.3 nT/Φ0) that increased the signal available to the flip-chip sensor and to the lower noise at the measurement frequency (15 vs 25 fT/Hz1/2 at 4 kHz). The improved SNR can lead to better spectroscopic resolution, lower imaging times, and higher resolution in ulf-MR imaging systems based on high-T C SQUID technology. The experimental details of the sensors, calibration, and ulf-MR benchmarking are presented in this report.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Kalaboukhov, Alexei,1975Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)ascry (author)
  • Schneiderman, Justin F.,1979Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology,University of Gothenburg(Swepub:cth)justins (author)
  • Öisjöen, Fredrik,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)oisjoen (author)
  • Jönsson, Magnus J,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)magjon (author)
  • Xie, Minshu,1988Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)minshu (author)
  • Snigirev, O. V.M. V. Lomonosov Moscow State University (author)
  • Winkler, Dag,1957Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)winkler1 (author)
  • Chalmers tekniska högskolaInstitutionen för neurovetenskap och fysiologi (creator_code:org_t)

Related titles

  • In:NATO Science for Peace and Security Series B: Physics and BiophysicsDordrecht : Springer Netherlands2014, s. 151-1591874-65009789400772649

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