hollow wave guide meaning in English

空心波导
突心波导

Based on the characteristics of hollow wave guide for co2 laser delivery , a cone - shaped wave guide coupler system was designed and fabricated in this work
摘要针对co2激光传输用空芯波导的特点，设计、制备了锥形空芯波导耦合器系统。
Delivery performance test shows that this wave guide coupler system may help much in improving the transmitting property of co2 laser hollow wave guide
对此耦合系统的传输性能测试表明，使用该锥形空芯波导耦合器能够显著提高空芯波导的激光传输性能。