激光倍频 meaning in English

laser frequency doubling
laserfrequencydoubling

Comparison and research of nd : gdyvo4 and nd : yvo4 laser ' s shg characteristics
4的激光倍频特性比较
In this dissertation , the technique has been adopted for 473 nm blue laser with doubling 946 nm of nd : yag . not only exhaustive theory but also experiment of it has been given in this paper
本论文采用对nd ： yag输出激光倍频，获得473nm蓝光输出方案，较完整的给出了理论阐述和实验研究。