PURPOSE: a kind of optoacoustic tomoscan is supplied to reduction noise, passes through the light source for maximizing penetration depth.CONSTITUTION: the light of light source output. Amplify and export the light in enlarging section (102). Transducing part (103) detects ultrasonic wave. Image achievement unit (104) uses ultrasonic wave. Image achievement unit realizes the surrounding biologic material inside image.The 2013 of copyright KIPO submissions[Reference numerals] (101) light source (102) part is expanded (103) sensing element (104) image achievement unit (200) biomaterial