本文叙述了平面衍射光栅分辨率及其半宽度测量法。

In this paper resolving power of diffraction gratings and its measuring methods in width at half height of central peak are described.

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与采用相同口径、相同相对孔径的全息凹球面光栅构成的平场光谱仪比较，在入射狭缝宽度相同的情况下，该光栅所构成的平场光谱仪的分辨率得到明显提高。

Comparing this spectrograph to the one with a holographic concave grating on spherical surface, the former has a higher resolution than the latter has when the widths of the incident slits are same.

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重点介绍脉冲式染料激光器的波长覆盖范围及用光栅和法布里-珀罗标准具压缩谱线宽度等研究工作、实验结果及测试方法。

Emphasis is put on the experimental research on its tunable range and the bandwidth narrowing with a diffraction grating and a Fabry-Perot etalon.

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