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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
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
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机译:弯曲波导,弯曲波导的制造方法,使用弯曲波导的光传输模块,以及使用弯曲波导的热辅助磁记录头
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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.
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