v.使无色；使消色
The influence of input beam size on the maximum intensity in the focus of singlet lens and achromat was compared. 比较了消色差透镜及单透镜中脉冲初始光腰尺寸对聚焦的影响.
symmetrical achromat lens 对称式消色差透镜
achromat 消色差透镜
plane achromat 平面消色差透镜
quartz-fluorite achromat 石英萤石透镜
compensating achromat 补偿消色差透镜
