| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable laser light source device, a scanning optical device and an image forming device, in which a configuration is simplified and assembly accuracy of a lens to a light source is improved and also flare light is prevented to obtain highly accurate images. SOLUTION: A holder member 2 for holding a semiconductor laser 1 and a collimator lens 3 is provided and an optical diaphragm 26 is provided inside an optical path near the collimator lens 3 between the semiconductor laser 1 and the collimator lens 3. COPYRIGHT: (C)2003,JPO
|
