Patent ID: 7477393

Claim:
A specimen analysis system comprising: a light injection unit which selectively injects unscattered light and scattered light into a specimen at an incident position on the specimen, where the scattered light is generated by scattering by a scattering medium; an information acquisition unit which acquires first information carried by first light exiting from a plurality of positions in a first region of said specimen in response to injection of said scattered light into the specimen, and second information carried by second light exiting from a plurality of positions in a second region of the specimen in response to injection of said unscattered light into the specimen, where the first region is located within a predetermined distance from said incident position, and the second region is located farther from the incident position than the first region; and an information processing unit which calculates a characteristic of said specimen by diffusion approximation, where calculation of the characteristic in said first region is based on said first information, and calculation of the characteristic in said second region is based on said second information.