无规位相板靶面均匀辐照光学系统研究
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摘要: 为了探讨用无规位相板实现靶面均匀辐照光学系统的特点,首次进行了靶面在离焦情况下辐照均匀性的实验研究。实验结果表明:靶面在聚焦透镜焦面前后较大范围内均可得到均匀辐照,靶面上光强起伏的平均峰间距小于8μm。Abstract: To explore the properties of the optical system in which a random phase plate was applied to uniform illumination on the target plane, we first carried out the experiment on the illumination uniformity when the target plane was defocused. Experimental results showed that the uniform illumination on the target plane can be obtained when it ranged over a wide interval near the focal plane, and that th?
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Key words:
- random phase plate /
- uniform illumination /
- peak interval /
- defocus
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