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发明授权
US07747121B2 Bending waveguide, method of fabricating the bending waveguide, light delivery module employing the bending waveguide, and heat assisted magnetic recording head employing the bending waveguide 有权
弯曲波导，制造弯曲波导的方法，使用弯曲波导的光输送模块和采用弯曲波导的热辅助磁记录头

Bending waveguide, method of fabricating the bending waveguide, light delivery module employing the bending waveguide, and heat assisted magnetic recording head employing the bending waveguide
摘要：
A bending waveguide is provided including a core having an input end and an output end, wherein the output end has a near field enhanced aperture structure, and a metal cladding enclosing the core. The core is bent in a curve and a radius of curvature of the curve is a resonance radius at which an intensity of transmitted light with respect to a wavelength of incident light is a maximum. Thus, the direction of the incident light can be changed by a predetermined angle while maintaining the field enhancement characteristic of the conventional near field enhanced aperture without an additional optical element.
摘要（中）：

提供一种弯曲波导，其包括具有输入端和输出端的芯，其中输出端具有近场增强的孔结构，以及包围芯的金属包层。 芯部曲线弯曲，曲线的曲率半径是透射光相对于入射光的波长的最大值的共振半径。 因此，入射光的方向可以改变预定角度，同时保持常规近场增强光圈的场增强特性而不需要额外的光学元件。

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