| 摘要 |
An optical waveguide includes a first end surface; a second end surface, such that the second end surface is smaller than the first end surface; and a body extending between the first end surface and the second end surface, the body defining a complexly-contoured outer surface. An optical waveguide includes a first end surface; a second end surface, such that the second end surface is smaller than the first end surface; and a body extending between the first end surface and the second end surface, the body comprising one of a gradient-index material and a step-index material.
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