degraded beam meaning in English
减速束
慢化束
Examples
- Laser - induced deformations of unstable resonator mirrors of high power laser result in some aberrations of resonator parameter , which distort laser modes and degrade beam quality
高功率激光器中，非稳腔镜受激光直接辐照，镜面发生变形，使谐振腔参数偏离设计值，模式发生畸变，光束质量变坏。