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    • 2. 发明公开
    • HALBLEITERLASERVORRICHTUNG
    • EP1989765A2
    • 2008-11-12
    • EP07711169.8
    • 2007-02-08
    • OSRAM Opto Semiconductors GmbH
    • SCHMID, WolfgangMÜLLER, Martin
    • H01S5/183H01S5/04H01S5/026
    • H01S5/183H01S5/026H01S5/041H01S5/22H01S5/4031
    • The invention relates to a semiconductor laser device comprising an optically pumped surface-emitting vertical emitter (1) which emits in a vertical main radiating direction, and at least one monolithically integrated pumping radiation source (2) for optically pumping the vertical emitter (1), the pumping radiation source emitting pumping radiation that extends transversal to the vertical main radiating direction. According to a first embodiment, the inventive semiconductor laser device is characterized in that at least one vertical section of the pumping radiation source (2) is configured so as to be index-guiding for pumping radiation in a lateral direction perpendicular to the main direction of pumping radiation and perpendicular to the vertical main radiating direction. In a second embodiment, the semiconductor laser device is characterized in that the pumping radiation source (2) has a smaller width in a lateral direction perpendicular to the main direction of pumping radiation in at least one vertical section than in another vertical section. If the dimensions are adequate, modes of the pumping radiation can thus be entirely or at least partly displaced from said section in a vertical direction, resulting in a reduction of absorption losses of the pumping radiation on conducting layers.
    • 本发明涉及一种半导体激光器件,包括光学泵浦表面发射垂直发射器(1)至少一种单片集成激励辐射源(2),用于光学泵浦垂直发射器(1),其发射在竖直主辐射方向,和 ,泵浦辐射源发射横向于垂直主辐射方向延伸的泵浦辐射。 根据一个第一实施方案,本发明的半导体激光装置的特征在于,激励辐射源的至少一个垂直部分(2)被配置为能够折射率引导为在横向方向垂直泵送辐射的主方向 泵浦辐射并垂直于垂直主辐射方向。 在第二实施例中,半导体激光器装置的特征在于,泵浦辐射源(2)在垂直于至少一个垂直部分中的泵浦辐射的主方向的横向方向上具有比另一个垂直部分中的更小的宽度。 如果尺寸足够,则泵浦辐射的模式因此可以完全或者至少部分地在垂直方向上从所述部分移位,导致泵浦辐射在导电层上的吸收损失的减少。