公开(公告)号：US20130301102A1

公开(公告)日：2013-11-14

申请号：US13946072

申请日：2013-07-19

Applicant: OLYMPUS CORPORATION

Inventor： Yoshitaka KAMIYA ,  Yoshitaka SAKATA

IPC: G02B26/08

CPC classification number: G02B26/08 ,  B81B3/0048 ,  B81B2201/042 ,  B81B2203/0109 ,  B81B2203/0163 ,  B81B2203/058 ,  G02B26/0833

Abstract: An optical deflector includes a movable portion having a mirror plane, a fixed portion, a pair of combined torsion bars connecting the movable portion and the fixed portion to each other so that the movable portion can be rotationally displaced about a rotation axis with respect to the fixed portion, and a driver to drive the movable portion. Each combined torsion bar includes a plurality of torsion bars extending to be parallel to the rotation axis and a plurality of connecting bars, each of the connecting bars connecting one ends of each adjacent two of the torsion bars to each other. A torsion bar farther from the rotation axis has higher torsional rigidity than a torsion bar closer to the rotation axis.

Abstract translation: 光学偏转器包括具有镜面的可动部分，固定部分，将可动部分和固定部分彼此连接的一对组合扭杆，使得可动部分能够相对于旋转轴线旋转移位 固定部分和用于驱动可动部分的驱动器。 每个组合的扭杆包括延伸成平行于旋转轴线的多个扭杆和多个连接杆，每个连接杆将每个相邻的两个扭杆的一端彼此连接。 离旋转轴更远的扭杆具有比靠近旋转轴的扭力杆更高的扭转刚度。