The misadjusting parameter of the misadjusted telescopic system is used to adjust the focusing posit ion of outgoingbeam.
用失调望远系统的失调量变化调节出射光束聚焦点的位置,并对聚焦点的变化范围和光斑大小进行描述。
2
Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoingbeam is characterized by a relatively large divergence.