A fast spin echo technique with circular sampling

Xiaohong Zhou, Zhi-Pei Liang, Sally L. Gewalt, Gary P. Cofer, Paul C. Lauterbur, G. Allan Johnson

Research output: Contribution to journalArticlepeer-review


This paper presents a fast spin echo (FSE) imaging method that employs circular sampling of k-space. The technique has been implemented on a 2 Tesla imaging system and validated on both phantoms and living animals. Experimental studies have shown that circular sampling can produce artifact- free FSE images without the need of phase correction. Although not fully explored, preliminary results also show that circular sampling may have advantages over the conventional rectilinear FSE in signal-to-noise ratio and imaging efficiency. A major disadvantage is the increased sensitivity to off- resonance effects. The authors expect that the FSE technique with circular sampling will find its applications in magnetic resonance microscopy, neuro- functional imaging, and real-time dynamic studies.

Original languageEnglish (US)
Pages (from-to)23-27
Number of pages5
JournalMagnetic Resonance in Medicine
Issue number1
StatePublished - Jan 1998


  • Circular sampling
  • Fast imaging
  • Fast spin echo
  • K-space trajectory

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology


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