Patent ID: 9655527
Date: 2017-05-23
CPC Classifications: A61B,G01N

Claim:
1. A method of quantifying an optical absorption coefficient of an object, said method comprising: directing a first light pulse emitted by a light source into a volume of the object, wherein the first light pulse has a first wavelength; receiving at an acoustic transducer a first acoustic wave emitted by the object in response to receiving the first light pulse; performing on a controller a Fourier transformation on the received first acoustic wave to generate a first acoustic spectrum; directing a second light pulse emitted by the light source into the volume of the object, wherein the second light pulse has a second wavelength; receiving at the acoustic transducer a second acoustic wave emitted by the object in response to receiving the second light pulse; performing on the controller a Fourier transformation on the received second acoustic wave to generate a second acoustic spectrum; and quantifying the absorption coefficient of the volume of the object, wherein the absorption coefficient is a function of the first acoustic spectrum and the second acoustic spectrum.