PROBLEM TO BE SOLVED: To provide a technology to acquire information of a higher degree of precision in a device for acquiring internal information of a subject by applying an electric field to the subject.SOLUTION: A subject information acquisition device includes: light irradiation means for irradiating light to a subject 108 characteristic information acquisition means for acquiring first electric characteristic information which is the information indicating electric characteristics of the subject 108 in a state that light is not irradiated to the subject 108, and second electric characteristic information which is the information indicating electric characteristics of the subject 108 in a state that light is irradiated to the subject 108 and change information acquisition means for generating characteristic change information which is the information indicating the change in electric characteristics of the subject 108 on the basis of the first and second electric characteristic information.COPYRIGHT: (C)2015,JPO&INPIT【課題】被検体に電界を印加することで当該被検体の内部情報を取得する装置において、より精度の高い情報を取得できる技術を提供する。【解決手段】被検体108に光を照射する光照射手段と、被検体108に対して光を照射しない状態における、被検体108の電気特性を表す情報である第一の電気特性情報と、被検体108に対して光を照射した状態における、被検体108の電気特性を表す情報である第二の電気特性情報とを取得する特性情報取得手段と、第一および第二の電気特性情報に基づいて、被検体108の電気特性の変化を表す情報である特性変化情報を生成する変化情報取得手段と、を有することを特徴とする。【選択図】図1
