PROBLEM TO BE SOLVED: To control light irradiation to a subject in consideration of measurement conditions (size and a pressure state of the subject).SOLUTION: A subject information acquisition apparatus includes: a pressure means pressing a subject a light irradiation means irradiating light to the subject through the pressure means a distance information acquisition means acquiring information related to a distance between the pressure means and the light irradiation means and a control means controlling an operation of the light irradiation means based on the information related to the distance acquired by the distance information acquisition means.COPYRIGHT: (C)2014,JPO&INPIT【課題】 測定条件(被検体の大きさ、圧迫状態)を考慮した被検体への光照射制御を可能とする。【解決手段】 被検体を圧迫する圧迫手段と、圧迫手段を介して被検体に光を照射する光照射手段と、圧迫手段と光照射手段との距離に関する情報を取得する距離情報取得手段と、距離情報取得手段が取得した距離に関する情報に基づいて、光照射手段の動作を制御する制御手段と、を有する被検体情報取得装置。【選択図】図1
