| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical deflector that prevents distortion of a beam spot diameter of a light beam even if the light beam deflected by an optical crystal is emitted to a predetermined position of an object for a predetermined time or longer, and to provide an optical scanner and an image forming device. <P>SOLUTION: The half of the light beam deflected by +θ1 by an optical deflection element 3 is reflected by a first half mirror 43 and emitted to a predetermined position A of an object T. The half of the light beam deflected by -θ1 by the optical deflection element 3 is reflected by a second half mirror 43, reversed by a reversing mirror 46, and made incident on a second half mirror 44. The light beams transmitting the second and first half mirrors 44, 43 are emitted to the position A of the object T which is irradiated with the light having a deflection angle of +θ1. <P>COPYRIGHT: (C)2013,JPO&INPIT |
