PROBLEM TO BE SOLVED: To provide an optical scanning observation system capable of further improving the image quality of an image which is obtained by scanning a subject spirally as compared with the prior art.SOLUTION: An optical scanning observation system 1 comprises: a light source part 2 for supplying illumination light a light guide part for guiding and emitting the illumination light an actuator part 5 for displacing an irradiation position of the illumination light a scanning drive part 6 for generating a drive signal for driving the actuator part 5 a control part 11 for controlling to generate the drive signal comprising a signal waveform which is for sequentially performing forward scanning whose number of laps in scanning a subject is set to first laps and backward scanning whose number of laps in scanning the subject is set to second laps that are larger than the first laps, and generates a drive signal having a signal waveform whose phase does not change at the time of shifting from the forward scanning to the backward scanning a light detection part 8 for detecting return light of the illumination light and an image generation part 9 for generating an image according to the return light detected during the backward scanning.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】被写体を渦巻状に走査して得られる画像の画質を従来に比べて向上させることが可能な光走査型観察システムを提供する。【解決手段】光走査型観察システム1は、照明光を供給する光源部2と、照明光を導光して出射する導光部と、照明光の照射位置を変位させるアクチュエータ部5と、アクチュエータ部5を駆動するための駆動信号を生成する走査駆動部6と、被写体を走査する際の周回数を第1の周回数に設定した往路走査と、被写体を走査する際の周回数を第1の周回数より大きい第2の周回数に設定した復路走査と、を順次行うための信号波形であるとともに、往路走査から復路走査への移行時における位相の変化が発生しない信号波形を具備する駆動信号を生成させるための制御を行う制御部11と、照明光の戻り光を検出する光検出部8と、復路走査の期間において検出された戻り光に応じた画像を生成する画像生成部9と、を有する。【選択図】図1
