发明授权
US07839913B2 Surface emitting laser, surface emitting laser array, and image forming apparatus including surface emitting laser
有权
表面发射激光器,表面发射激光器阵列和包括表面发射激光器的成像设备
- 专利标题: Surface emitting laser, surface emitting laser array, and image forming apparatus including surface emitting laser
- 专利标题(中): 表面发射激光器,表面发射激光器阵列和包括表面发射激光器的成像设备
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申请号: US12272033申请日: 2008-11-17
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公开(公告)号: US07839913B2公开(公告)日: 2010-11-23
- 发明人: Takeshi Uchida , Tetsuya Takeuchi
- 申请人: Takeshi Uchida , Tetsuya Takeuchi
- 申请人地址: JP Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JP Tokyo
- 代理机构: Fitzpatrick, Cella, Harper & Scinto
- 优先权: JP2007-302979 20071122; JP2008-260710 20081007
- 主分类号: H01S5/00
- IPC分类号: H01S5/00
摘要:
A surface emitting laser that oscillates at a wavelength λ includes an upper reflector, a lower reflector, an active layer, and a spacer layer. The spacer layer is a laminated structure that includes a first semiconductor sublayer having a composition of AlxGa1-xAs (1≧x>0) and a second semiconductor sublayer having a composition of AlyGa1-yAs (1>y>0 and x>y).
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