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    • 3. 发明申请
    • LASER LIGHT SOURCE
    • 激光光源
    • WO2009080011A2
    • 2009-07-02
    • PCT/DE2008002123
    • 2008-12-16
    • OSRAM OPTO SEMICONDUCTORS GMBHREILL WOLFGANGTAUTZ SOENKEBRICK PETERSTRAUSS UWE
    • REILL WOLFGANGTAUTZ SOENKEBRICK PETERSTRAUSS UWE
    • H01S5/10H01S5/22H01S5/40
    • H01S5/22H01S5/1017H01S5/1064H01S5/4031
    • A laser light source especially comprises a semiconductor layer sequence (10) having an active layer with at least two active zones (45) that are adapted to emit, when operating, electromagnetic radiation via a lateral face of the semiconductor layer sequence (10) along a direction of emission (90), said lateral face being designed as a radiation output surface (12). The laser light source further comprises an electrical contact surface (30) above every of the at least two active zones (45) on a main surface (14) of the semiconductor layer sequence (10) and a surface structure in the main surface (14) of the semiconductor layer sequence (10). The at least two active zones (45) are arranged in the active layer (40) at a right angle to the direction of emission (90) and interspaced from each other. Every electrical contact surface (30) has a first section (31) and a second section (32) which grows wider along the direction of emission (90) towards the radiation output surface (12). The surface structure between the at least two electrical contact surfaces (30) has at least one first recess (6) along the direction of emission (90) and second recesses (7), every first section (31) of the electrical contact surfaces (30) being arranged between at least two second recesses (7).
    • 特别是激光光源包括与具有至少两个活性区域(45),其能够在所述操作电磁辐射通过一个运行的沿放射方向的半导体层序列(10)的辐射输出(12)侧表面的有源层的半导体层序列(10)(90) 辐射,每一个电接触表面(30)在每个所述至少两个有源区(45)上的半导体层序列(10)和在该半导体层序列(10)的主表面(14)的表面结构的一个主表面(14),其中所述至少两种活性 区域(45)横向于所述活性层(40)彼此间隔开的辐射(90)的方向布置,每个所述电接触表面(30)的第一部分(31)和具有沿辐射方向延伸的第二部分(32) (90)朝着辐射输出表面(12)朝着增加的宽度d移动 他所述至少两个电接触表面之间的表面结构(30)至少一个第一凹槽(6)沿辐射(90),第二凹部的方向和(7),并在至少两个第二之间分别电接触区(30)的所述第一子区域(31) 井(7)被安排。