| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical scanning observation apparatus capable of stable scanning by a resonance frequency by quickly suppressing the influence of undesired overlapping and distortion of a scanning line, with a simple configuration.SOLUTION: In an optical scanning observation apparatus 10 two-dimensionally scanning light from a light source section 30 on an object to be observed 100 through an optical fiber 11, to detect detection light by a detection section 40, the exit end of the optical fiber 11 is vibrated in a first axial direction by current near the resonance frequency of a drive current generation section 50 by a scanning section 21 and vibrated in a second axial direction by current including two frequency components including a frequency near the resonance frequency and a non-resonance frequency. The current having the frequency near the resonance frequency in the second axial direction has a previously set phase difference with respect to the current near the resonance frequency in the first axial direction and reduces the vibration near the resonance frequency in the second axial direction, caused by the vibration drive in the first axial direction. |
