Optical wave-guide, light-beam spot converter and optical transmission module
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机译:光波导,光束点转换器和光传输模块
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摘要
Utilizing propagation of light along with a region of high refractive index, an enlargement and a reduction of an optical beam-spot are achieved by a plurality of layers of the cruds, in which relationships in magnitude of the refractive index are defined with respect to a segment-like core.
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