step index optical waveguide

例句：

1. 1. The step-index optical waveguide is an essential component in the fabrication of integrated circuits.
   阶梯式光导纤维是制造集成电路的关键组件。
2. 2. This new type of step-index optical waveguide has shown great potential for applications in telecommunications.
   这种新型的阶梯式光导纤维在电信领域显示出巨大的应用潜力。
3. 3. The researchers have developed a step-index optical waveguide with high transmission efficiency and low loss.
   研究人员已经开发出一种传输效率高、损耗低的阶梯式光导纤维。