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N a lens designed to bring light of two chosen wavelengths to the same focal point, thus reducing chromatic aberration 消色差透镜 (Also called achromatic lens) → compare apochromat
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。
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