PROBLEM TO BE SOLVED: To provide a subject information acquisition device capable of applying temperature distributions different for individual positions, to a subject.SOLUTION: A subject information acquisition device comprises: a light irradiation part 102 for irradiating a subject with light an acoustic wave acquisition part 105 for receiving the acoustic wave having occurred in the subject due to the light a temperature control part 108 for adjusting the temperature of a first part lying on a passage, through which the light propagates in the subject, to a first temperature, and for adjusting the temperature of a second part lying on a passage, on which the acoustic wave occurs in the subject, to a second temperature and a reconstruction part 109 for acquiring information relating to optical characteristics in the subject, on the basis the sound waves which are acquired through the acoustic wave acquisition part.COPYRIGHT: (C)2015,JPO&INPIT【課題】被検体に対して位置ごとに異なる温度分布を与えることができる被検体情報取得装置を提供する。【解決手段】被検体に光を照射する光照射部102と、前記光に起因して前記被検体内で発生した音響波を受信する音響波取得部105と、前記被検体のうち、前記光が前記被検体内を伝搬する経路上にある第一の部分の温度を第一の温度に調節し、前記被検体内で発生した音響波が伝搬する経路上にある第二の部分の温度を第二の温度に調節する温度制御部108と、前記音響波取得部を介して取得した音響波に基づいて、前記被検体内における光学特性に関連した情報を取得する再構成部109と、を有することを特徴とする。【選択図】図1
