Pad Effect Visualizer
See exactly how an MTechLab dielectric pad changes signal intensity in real brain MRI data. Compare T1w and FLAIR sequences slice by slice, inspect the percentage difference map, and watch the histogram shift rightward when the pad is applied.
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How dielectric pads improve signal
High-permittivity composite
Calcium titanate suspended in a flexible gel creates a high-permittivity interface that reshapes the RF B₁ field distribution around the region of interest.
B₁ field homogenization
The pad acts as a near-field lens, concentrating the radiofrequency field where signal voids and shading artefacts would otherwise appear at 3T and 7T.
Quantified signal gain
Signal Intensity Ratio (SIR = mean(with pad) / mean(without pad)) measures the volumetric benefit. Values above 1.0 confirm measurable improvement across the full scan.
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