对压弯光栅的线密度进行了实验研究。
Primary researches on the groove density variations of bending grating were experimented.
这些全息光栅的特点是无缝模式和大面积低缺陷密度，由于特殊的制造技术。
These holographic gratings are characterized by seamless patterns and a low defect density on a large area, due to a special fabrication technology.
利用带有针孔的透射式光栅光谱仪研究了激光等离子体X射线辐射的原子序数依赖性和激光功率密度对辐射的影响。
This paper presents the studies of the dependence of soft X-ray emission on atomic-number and laser intensities by using a new diagnostic tool, pinhole transmission grating spectrograph (PTGS).
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