Table 1. optical and acoustic properties of the phantom and the tissue[32, 33].

Property	Tissue–muscle/brain	Phantom
Light Effective decay coefficient	2.17/2.12 cm-1	2.2 ±0.2cm-1
Sound Velocity	1.5 ·105 cm/s	1.43 ·105 cm/s
Acoustic impedance	150–170 Kg/cm2∙s	149 Kg/cm2∙s