PROBLEM TO BE SOLVED: To control laser irradiation according to the selected wavelength in a wavelength variable laser.SOLUTION: Used is a subject information acquiring apparatus comprising: irradiation means for irradiating a subject with a laser beam wavelength switching means for selecting a wavelength of the laser beam restriction means for restricting the output value of the laser beam a probe for receiving the acoustic waves which are generated by the subject irradiated with the laser beam and configuration means for creating characteristic information relating to the subject by using the acoustic waves, wherein the restriction means restricts the output value according to the wavelength selected by the wavelength switching means.COPYRIGHT: (C)2015,JPO&INPIT【課題】波長可変レーザにおいて、選択された波長に応じてレーザ照射に制限をかける。【解決手段】被検体にレーザ光を照射する照射手段と、レーザ光の波長を選択する波長切り替え手段と、レーザ光の出力値を制限する制限手段と、レーザ光を照射された被検体から発生する音響波を受信する探触子と、音響波を用いて被検体の特性情報を生成する構成手段を有し、制限手段は、波長切り替え手段が選択した波長に応じて出力値の制限を行う被検体情報取得装置を用いる。【選択図】図1
