实验研究了铝膜厚度对衍射光栅闪耀效率的影响，给出了铝膜厚度系数的最佳范围。
It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.
测试晶体的吸收光谱、指数增益系数、衍射效率和有效载流子浓度。
The absorption spectra, exponential gain coefficient, diffraction efficiency and effect carrier concentration of the crystal were measured.
文章阐述了控制衍射光栅铝膜厚度的重要性。提出了用厚度系数标定铝膜厚度的方法。
This paper describes the importance of controlling aluminum film thickness for ruling diffraction gratings and gives a method to mark the aluminum film thickness with thickness factor.
首次报导X射线粉末衍射法测量铁粉晶胞的磁致伸缩系数。
In situ magnetization X-ray powder diffraction method is firstly applied to measure magnetostriction coefficient of reduction iron powder.
测试了晶体的指教增益系数、衍射效率、相位共轭反射率和响应时间等光折变性能。
The exponential gain coefficient , diffractive efficiency , phase conjugate reflectivity and the response time were measured.
通过反常衍射近似(ada)代替米消光系数，可以简化粒径分布的反演过程。
Using the anomalous diffraction approximation (ADA) instead of Mie extinction efficiency can simplify the inversion of particle size distribution.
最后，对全息透镜和折射透镜的色散特性进行了比较，得到衍射光学元件的等效色散系数。
Finally, the chromatic dispersive characteristics of holographic lens and refractive lens are compared, and the effective chromatic coefficient of holographic lens is given.
文中分别得出了透射线及多次衍射线功率的表达式以及有效线吸收系数。
Separate expressions for the transmitted, and multiply diffracted power are obtained, which enable the effective absorption coefficient to be calculated.
针对吸收系数相近的多组分材料，吸收成像无法分辨的情形，提出了衍射增强SR - CT方法。
In order to improve the contrast of reconstruction images for the materials which their elements absorbance index are very close, the technique of diffraction enhanced SR-CT is developed.
根据光学衍射成像理论，建立了黑斑法测量光学系统杂光的杂光系数解析式。
Based on the diffraction imaging theory, we developed an analytical formula of Verling Glare Index of optical system by "balck spot" method.
测试晶体的指数增益系数、衍射效率、响应时间、光电导和信噪比。
The exponential gain, the diffractive efficiency, the response time, photoconduction and signal to noise ratio or the crystals were measured.
测试晶体的指数增益系数、衍射效率、响应时间、光电导和信噪比。
The exponential gain, the diffractive efficiency, the response time, photoconduction and signal to noise ratio or the crystals were measured.
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