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    • 4. 发明申请
    • PROXIMITY COUPLED ATHERMAL OPTICAL PACKAGE COMPRISING LASER SOURCE AND COMPOUND FACET WAVELENGTH CONVERSION DEVICE
    • 包含激光源和化合物波长变换器件的近似光耦合光学封装
    • WO2010138478A1
    • 2010-12-02
    • PCT/US2010/036017
    • 2010-05-25
    • CORNING INCORPORATEDBHAGAVATULA, Venkata, ACHAPARALA, Satish, CHIMMELREICH, JohnHUGHES, Lawrence C. Jr.
    • BHAGAVATULA, Venkata, ACHAPARALA, Satish, CHIMMELREICH, JohnHUGHES, Lawrence C. Jr.
    • G02B6/42
    • G02B6/4203G02B6/4231
    • Particular embodiments of the present disclosure bring an SHG crystal, or other type of wavelength conversion device (20), into close proximity with a laser source (10) to eliminate the need for coupling optics, reduce the number of package components, and reduce package volume. According to one embodiment of the present disclosure, an optical package (100) is provided comprising a laser source (10) and a wavelength conversion device (20). The laser source (10) is positioned such that the output face (12) of the laser source (10) is proximity-coupled to a waveguide portion (30) of the input face (22,24) of the wavelength conversion device (20). The input face (22,24) of the wavelength conversion device (20) comprises an α-cut facet (22) and β-cut facet (24). The α-cut facet (22) of the input face is oriented at a horizontal angle α, relative to the waveguide axis of the wavelength conversion device (20) to permit proximity coupling of the output face (12) of the laser source (10) and the input face (22,24) of the wavelength conversion device (20). The β-cut facet (24) of the input face (22,24) is oriented at a horizontal angle β, relative to the waveguide axis of the wavelength conversion device (20) to cooperate with the horizontal tilt angle ϕ of the wavelength conversion device (20) to reduce back reflections from the input face (22,24) of the wavelength conversion device (20) into the laser source (10). Additional embodiments are disclosed.
    • 本公开的特定实施例使得SHG晶体或其他类型的波长转换装置(20)与激光源(10)紧密相邻,以消除对耦合光学器件的需要,减少封装部件的数量并减少封装 卷。 根据本公开的一个实施例,提供了包括激光源(10)和波长转换装置(20)的光学封装(100)。 激光源(10)被定位成使得激光源(10)的输出面(12)接近耦合到波长转换装置(20)的输入面(22,24)的波导部分(30) )。 波长转换装置(20)的输入面(22,24)包括切割刻面(22)和切面(24)。 输入面的切割刻面(22)相对于波长转换装置(20)的波导轴线以水平角度a定向,以允许激光源(10)的输出面(12) )和波长转换装置(20)的输入面(22,24)。 输入面(22,24)的β切面(24)相对于波长转换装置(20)的波导轴以水平角β定向,以与水平倾斜角θ配合。 以减少从波长转换装置(20)的输入面(22,24)向激光源(10)的反射反射。 公开了另外的实施例。