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.
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.
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.
结果表明，当光栅对刻线失配时，且只考虑二阶色散的影响时，初始啁啾导致脉冲宽度小于无初始啁啾脉冲的宽度。
The simulations show that when the grating grooves are unparallel, the original chirp leads to the pulse width smaller only considering GDD.
发现光纤光栅F P干涉仪的透射率和光谱半宽度对轴向应变十分敏感，而F P腔的中心波长和工作模式却变化较小。
That transmission rate and the FWHM of the fiber grating FP are very sensitivity for radial strain. But the central wavelength, mode number of the fiber grating FP are insensitivity for radial strain.
发现光纤光栅F P干涉仪的透射率和光谱半宽度对轴向应变十分敏感，而F P腔的中心波长和工作模式却变化较小。
That transmission rate and the FWHM of the fiber grating FP are very sensitivity for radial strain. But the central wavelength, mode number of the fiber grating FP are insensitivity for radial strain.
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