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公开(公告)号:US20050169579A1
公开(公告)日:2005-08-04
申请号:US11042612
申请日:2005-01-25
IPC分类号: G02B6/34
CPC分类号: G02B6/12011 , G02B6/1203
摘要: An optical multiplexer that adjusts the wavelength response and compensates for temperature effects by using rotatable mirror. The wavelength response of the device is adjusted by aligning the mirror at a correct angle with respect to the surface terminating the optical waveguide grating. The temperature dependence of the index of refraction of the material comprising the waveguides is compensated for by rotating a reflecting surface of the mirror, the rotation based on differential thermal expansion. Some exemplary embodiments may comprise a slab waveguide on a substrate (the slab waveguide having a first and second arcuate end surfaces) attached to a submount, a mirror assembly rigidly attached to the submount (the mirror assembly comprising a first and second materials having different coefficients of thermal expansion), and an optical waveguide grating (upon the substrate attached to the submount) optically coupled between the second arcuate surface and the mirror assembly. A portion of the mirror assembly between the reflector surface and where the mirror assembly is rigidly attached to the submount deforms as a function of temperature to change an angle between the optical waveguide grating and the reflecting surface.
摘要翻译: 一种光学多路复用器,通过使用可旋转镜来调节波长响应并补偿温度影响。 通过将反射镜相对于终止光波导光栅的表面以正确的角度对准来调节装置的波长响应。 包括波导的材料的折射率的温度依赖性通过旋转反射镜的反射表面,基于差分热膨胀的旋转来补偿。 一些示例性实施例可以包括附接到基座的基板上的平板波导(具有第一和第二弧形端面的平板波导),刚性地附接到基座的反射镜组件(反射镜组件包括具有不同系数的第一和第二材料 的热膨胀)和光学耦合在第二弧形表面和反射镜组件之间的光波导光栅(在附接到基座的基板上)。 反射镜组件在反射器表面和反射镜组件刚性地附接到基座之间的一部分作为温度的函数变形,以改变光波导光栅和反射表面之间的角度。