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. 2013:21:2823.

A whole-body RF dosimeter for independent SAR measurement in MR scanners

Di Qian¹, AbdEl-Monem M El-Sharkawy², Paul A Bottomley¹, William A Edelstein²

Affiliations

Affiliations

¹ Radiology, Johns Hopkins School of Medicine, Baltimore, MD, United States ; Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, United States.
² Radiology, Johns Hopkins School of Medicine, Baltimore, MD, United States.

PMID: 25360069
PMCID: PMC4211258

A whole-body RF dosimeter for independent SAR measurement in MR scanners

Di Qian et al. Proc Int Soc Magn Reson Med Sci Meet Exhib Int Soc Magn Reson Med Sci Meet Exhib. 2013.

. 2013:21:2823.

Authors

Di Qian¹, AbdEl-Monem M El-Sharkawy², Paul A Bottomley¹, William A Edelstein²

Affiliations

¹ Radiology, Johns Hopkins School of Medicine, Baltimore, MD, United States ; Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, United States.
² Radiology, Johns Hopkins School of Medicine, Baltimore, MD, United States.

PMID: 25360069
PMCID: PMC4211258

No abstract available

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Figures

Fig.1 — Fig.1
(a): SAR dosimeter assembled; (b): Contour plot of net B1 magnitude as a function of loop reactance X and loop resistance R is independent of R at X=196 Ω (c): 127.8 MHz dosimeter calibration curve of P_deposited vs. P_sampled. Data are from 6 GE & Philips scanners.

See this image and copyright information in PMC

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References

1. Stralka JP, et al. JMRI. 2007;26:1296–1302. - PMC - PubMed
1. El-Sharkawy AM, et al. Med Phys. 2012;39:2334–2341. NIH R01 EB007829. - PMC - PubMed

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R01 EB007829/EB/NIBIB NIH HHS/United States

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