| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an optical scanner whose lowest resonance frequency is hardly lowered even when an amplitude angle of a reflection part is enlarged.SOLUTION: An optical scanner (1) includes: a reflection part (3) having a reflection surface (19) for reflecting a light beam; a support part for supporting the reflection part; a pair of beam members (7) connected to both ends of the reflection part and the support part, and capable of torsional vibration, where the beam members are arranged along a first axis (18) passing through the center of the reflection part; and a first driving part (9) for causing the reflection part to perform torsional vibration with the first axis as a central axis, where the first driving part is arranged so as to connect a position A (3A) separated from the first axis on the reflection part with the support part for displacing the position A by bending deformation.</p> |
