| total attenuation coefficient, () | |
| electric conductivity σ (S/mm) | |
| specific heat capacity, CW s/gC | |
| diffusivity constant, κ /s | |
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tissue optical parameters | penetration depth of THz radiation, δ (mm) | |
| fraction of transmitted power, tr | |
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| | THz radiation source variables | THz beam waist radius, w (mm) | |
| distance from power source, r (cm) | |
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| change of temperature , ΔT (C ) |
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