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A new method to optimize mechanically-induced long-period fiber grating transmission spectra was demonstrated.

提出一种优化应力长周期光纤光栅的实验方法。

Grooves play an important role in the transmission efficiency of the metallic grating.

利用时域有限差分算法模拟了二维金属光栅的电磁场，分析了金属光栅透射率随波长的变化。

The transmission spectrum of long period grating was analized by a combination of coupled mode theory and transfer matrix method.

用耦合模方法和传输矩阵法相结合对长周期光栅的传输光谱特性进行了研究，提出了用相移长周期光栅使双峰的增益谱线平坦化。

In this paper, the physical model of this kind of scheme is introduced, and the strict coupling wave method is used to calculate the optical character of the transmission grating under the Brewster angle.

提出利用偏振光沿布儒斯特角入射时具有的特性来实现降低光栅表面反射率的方案，介绍了这种方案的物理模型，并利用严格耦合波分析法进行了模拟计算。

The transmission grating is coupled to X-ray CCD , and a set of system for measuring soft X-ray spectra is obtained.

采用七道和十道的两台软X光谱仪同时测量双盘靶初次级辐射的软X光谱，并进行物理分析。

A novel fiber Bragg grating with two transmission dips in 1310- and 1550-nm regions is proposed and inscribed by an infrared femtosecond laser.

利用红外飞秒激光制作了在1310纳米和1550纳米波段有两个峰值的新型光纤布拉格光栅。

A method of relative calibration for "Shanghai"soft X-ray film,using transmission grating on synchrotron radiation source,is introduced.

介绍了在同步辐射源上用透射光栅对"上海"软X光胶片进行相对标定的方法，初步研究了"上海"胶片的特性，得到了在276eV和930eV两能点的胶片黑密度与相对曝光量的关系曲线；应用标定结果，计算了光栅的衍射效

Study on transmission spectrum of ZnO films;2. Study of Measuring Grating Parameters with Transmission Spectrum and Design of Perfect Anti-reflection Coating;3. Kinetics of the oxidation process of the copper films in the thickness range of 16～22 nm at 140 ℃ was studied by using transmission spectrum and sheet resistance methods.

采用方块电阻和透射光谱两种方法为表征手段，测量16～22nm范围内不同厚度Cu薄膜在140℃下完全氧化所需要的时间，得到了Cu薄膜氧化反应的动力学曲线，并利用X射线衍射分析了氧化产物的晶相结构和成分。

The method of diffractive optical elements, such as processing and transmission grating dense optical material from the traditional extended to ordered nano-pore materials, is expected to apply to the manufacture of high performance diffractive optical elements.

该方法将衍射光学元件如透射光栅的加工由传统的致密光学材料扩展到有序纳米孔材料上，有望适用于制造高性能衍射光学元件。

Theoretical studies on transmission characteristics of fiber grating Fabry-Pérot cavity.

光纤光栅法布里-珀罗腔透射特性的理论研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了