Table 1 Dielectric properties of various biological tissues at 1 GHz including conductivity, permittivity, and wavelength

From: Microwave imaging for human brain stroke detection using frequency domain inverse modelling & phantom experiments

 

Frequency

(Hz)

Conductivity

(S/m)

Relative

Permittivity

Loss

Tangent

Wavelength

(m)

Blood

\(1 \times 10^{9}\)

1.580

61.070

0.466

0.0374

Bone cortical

\(1 \times 10^{9}\)

0.160

12.360

0.226

0.0847

Cerebro spinal fluid

\(1 \times 10^{9}\)

2.460

68.440

0.645

0.0346

Bone cortical

\(1 \times 10^{9}\)

0.160

12.360

0.226

0.0847

Brain grey matter

\(1 \times 10^{9}\)

0.990

52.280

0.339

0.0409

Brain white matter

\(1 \times 10^{9}\)

0.620

38.580

0.290

0.0478

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