Thats a unique idea.You should consider the following idea to enhance your idea so that it would impact uniquely: An inverse methodology for the design of biologically loaded radio-frequency (RF) coils for magnetic resonance imaging applications is described. Free space time-harmonic electromagnetic Green's functions and de-emphasized B/sub 1/ target fields are used to calculate the current density on the coil cylinder. In theory, with the B/sub 1/ field de-emphasized in the middle of the RF transverse plane, the calculated current distribution can generate an internal magnetic field that can reduce the central overemphasis effect caused by field/tissue interactions at high frequencies. The current distribution of a head coil operating at 4 T (170 MHz) is calculated using an inverse methodology with de-emphasized B/sub 1/ target fields. An in-house finite-difference time-domain routine is employed to evaluate B/sub 1/ field and signal intensity inside a homogenous cylindrical phantom and then a complete human head model. A comparison with a conventional RF birdcage coil is carried out and demonstrates that this method can help in decreasing the normal bright region caused by field/tissue interactions in head images at 170 MHz and higher field strengths.
['Bin Xu', 'Qing Wei', 'Feng Liu', 'Stuart Crozier']
I am writing a research paper on a idea An inverse methodology for high-frequency RF coil design for MRI with de-emphasized B/sub 1/ fields
[{"from": "human", "value": "I am writing a research paper on a idea An inverse methodology for high-frequency RF coil design for MRI with de-emphasized B/sub 1/ fields"}, {"from": "gpt", "value": "Thats a unique idea.You should consider the following idea to enhance your idea so that it would impact uniquely: An inverse methodology for the design of biologically loaded radio-frequency (RF) coils for magnetic resonance imaging applications is described. Free space time-harmonic electromagnetic Green's functions and de-emphasized B/sub 1/ target fields are used to calculate the current density on the coil cylinder. In theory, with the B/sub 1/ field de-emphasized in the middle of the RF transverse plane, the calculated current distribution can generate an internal magnetic field that can reduce the central overemphasis effect caused by field/tissue interactions at high frequencies. The current distribution of a head coil operating at 4 T (170 MHz) is calculated using an inverse methodology with de-emphasized B/sub 1/ target fields. An in-house finite-difference time-domain routine is employed to evaluate B/sub 1/ field and signal intensity inside a homogenous cylindrical phantom and then a complete human head model. A comparison with a conventional RF birdcage coil is carried out and demonstrates that this method can help in decreasing the normal bright region caused by field/tissue interactions in head images at 170 MHz and higher field strengths."}]