如果已知星云气体的温度，则湍流的大小可直接从观测的谱线宽度得出。
The magnitude of the turbulence then follows directly from the observed line with if the nebular gas temperature is known.
谐振腔精细度法是通过测量光学谐振腔透射谱线宽度来实现对光学反射镜反射率的测定。
The reflectivity of optical mirrors can be obtained by measuring linewidth of transmission spectrum of optical cavity and the fineness of Fabry-Perot (F-P) cavity.
因此，在这样激光功率条件下，为提高原子激发效率而增加激光谱线宽度的做法并不是必要的。
So it is not necessary to use a broad-band laser to guarantee excitation efficiency for an atom with hyperfine split levels.
光学微腔是目前凝聚态物理的研究热点，它能够改变自发发射的特性（谱线宽度、发光强度等）。
Optical microcavity arouses great interest in condensed state physics. It can change characters of spontaneous emission, such as spectral full width at half-maximum, light intensity at peak and so on.
给出了吸收谱线在不同中心频率、不同谱线宽度情况下，归一化信号S与布里渊频移 之间的函数图。
The resulting signals ratio S is plotted in a series of figures under different center frequencies and different widths of the absorption lines.
提出部分相干合成的概念，论证了谱线宽度和偏振特性并不是影响高功率光纤激光部分相干合成的瓶颈。
We propose the concept of partially coherent combining and demonstrate that the linewidth and polarization do not confine partially coherent combination of high power fiber lasers.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋，相对误差小于7.15%，相对标准偏差为5.85%。
The quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
饱和吸收晶体用于钕玻璃激光器调Q，同样具有简便、效率高，长期使用稳定的特点。特别是大大地压缩了输出谱线宽度。
LiF:F2- crystals have the advantages of high efficiency, convenience and stability when they are used for Q-switching of Nd glass lasers and the linewidth narrowing can be achieved in particular.
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.
根据仪器结构讨论了狭缝对谱线的影响，给出了狭缝宽度和谱线宽度的对应关系，并对仪器谱面上的相对测量误差进行了分析。
According to the structure of instrument, the influence of the slit width on spectral line is discussed, the relative measurement error of instrument is also analyzed.
由于减反膜自身反射率曲线的波长依赖性和谱线宽度的有限性，故一般情况下镀膜面的实际反射率比减反膜自身的最低反射率高。
Due to the wavelength dependence and finite spectral width of the reflection curve, the reflectivity which takes effect is generally higher than the minimum reflectivity claimed.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
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