Figure 3

Temperature rise measured via fiber-optic Bragg grating temperature sensors on both sides of the artificial hip joints at 1.5 T Philips with T1w TSE sequence (A), 1.5 T GE with IR TSE sequence (B), 3 T Siemens with T1 TIRM sequence (C), and 3 T Philips with T1w TSE sequence (D and E) and imaging parameters as described in Supplementary Table 1. Temperature rise by other two sequences for each scanner is not shown here. The column height is the temperature rise and the error bar is the standard deviation. The peak temperature elevation appears near the head or tail of the artificial hip joint. (a, b = two same model Philips 3 T MRI systems).