| 摘要 |
PROBLEM TO BE SOLVED: To provide a scanning optical device that can fetch light out of scanning light as an optical signal in a BD sensor even in the case of adjusting the rotation of a laser unit in two-beam adjustment in a BD sensor integrated type laser unit. SOLUTION: In the BD sensor 112 integrated type laser unit, a condensing lens 114 is arranged near the incident part of the BD sensor. COPYRIGHT: (C)2004,JPO
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