PROBLEM TO BE SOLVED: To provide a photoacoustic microscope which can perform high-speed scanning and whose detection accuracy can be improved over a wide range of scan.SOLUTION: A photoacoustic microscope 10 includes an object lens 13, a photo scanning part 12, a photoacoustic wave detecting part 15, and a synthesis part 20. The object lends 13 makes a sample S to be irradiated with an excitation light L. The photo scanning part 12 deflects the excitation light L and makes it scan the sample S along at least a first scanning direction. The photoacoustic wave detecting part 15 has a plurality of detectors. The plurality of detectors are arranged along a first array direction corresponding to the first scanning direction. The detectors detect a photoacoustic wave generated from the sample S by the irradiation with the excitation light L. The synthesis part 20 synthesizes the photoacoustic waves by matching a phase of the photoacoustic wave detected by each detector.COPYRIGHT: (C)2014,JPO&INPIT【課題】高速走査が可能で、かつ広い走査範囲に亘って検出精度を向上できる光音響顕微鏡を提供する。【解決手段】光音響顕微鏡10は対物レンズ13と光走査部12と光音響波検出部15と合成部20とを有する。対物レンズ13は励起光Lを標本Sに照射させる。光走査部12は励起光Lを偏向して少なくとも第1の走査方向に沿って標本Sを走査させる。光音響波検出部15は複数の検出器を有する。複数の検出器は第1の走査方向に対応する第1の配列方向に沿って並べられる。検出器は励起光Lの照射により標本Sから発生される光音響波を検出する。合成部20は各検出器が検出する光音響波の位相を合わせて合成する。【選択図】図1
