| 摘要 |
A biological observation apparatus comprises a sound wave radiating unit that radiates a sound wave into an object, a control unit that controls radiation of the sound wave, a light radiating unit that radiates light into the object while successively changing a wavelength thereof, a light receiving unit that receives object light generated when the radiated light is reflected at an area inside the object, a light detector that obtains first interference light caused by interference between the radiated light and first object light received when the sound wave is not radiated and obtains second interference light caused by interference between the radiated light and second object light received when the sound wave is radiated, and a calculation unit that calculates information, indicative of a scattered state of the radiated light, of an area where the sound wave is radiated, based on the first and the second interference light.
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