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Erbium-doped glass showing the wider 1.5-μm emission band is reported in a novel oxide system TeO2-WOa-Nb2O5 and their thermal stability and optical properties such as absorption, emission spectra, crosssections and fluorescence lifetime were investigated.

[1]绍兴托普信息职业技术学院基础学部，浙江绍兴312000 [2]杭州师范学院理学院物理系，浙江杭州310036 [3]宁波大学信息科学与工程学院，浙江宁波315211制备了一系列碲铌酸盐玻璃85TeO2-（15 -x）Nb2O5-xB2O3-1%Er2O3（TNBx=0， 3， 6， 9， 12， 15）。根据Judd-Ofelt和McCumber理论，讨论和分析了B2O3含量对掺铒碲铌酸盐玻璃热稳定性及光谱性质影响。

Today you have more fatty, sugary foods, animal meats doped with hormones and steroids and cultivations sprayed with insecticides and pesticides.

今天你有更多的脂肪，含糖的食物，动物的肉用激素和类固醇，并喷洒杀虫剂和农药栽培掺杂。

The effect of aluminum codoping on the fluorescence and structural properties of Nd-doped silica glass has been discussed.

讨论了钕铝共掺高硅氧玻璃中铝离子的掺入对玻璃发光性质的影响。

What is disclosed includes OD-doped synthetic silica glass capable of being used in optical elements for use in lithography below about 300 nm.

本发明揭示了OD-掺杂的合成二氧化硅玻璃，它能够用于在约低于300纳米下进行光刻的光学元件中。

The crackfreeBF doped silica composite glass with the low volume shrinkage can be obtained by this process.

用这种方法制备了无断裂、低体积收缩的BF掺杂的二氧化硅复合发光玻璃。

Doped AgBr emulsion had an optimal amount with AgBr to silver stearate of 1∶4 in PTG materials.

由Zou以及Sahyun[1]等人在早期报道的，粘合剂采用溶剂型聚乙烯醇缩丁醛，卤化银采用原位法合成时的PTG材料的化学增感无效，照相速度的提高总伴随着灰雾的增加；他们认为当卤化银颗粒与羧酸银有界面存在时，传统化学增感的效果不明显；由Yamane[2]等人于近期报道的

Below T_(M1),the resistivity increase under photo inducing. The maximum resistivity change(Δρ/ρ_0) in the La_(0.82)Te_(0.18)MnO_3 sample can reach 51.1% in 253K which is more large than that of hole-doped manganites. Above T_(M1) there is a photoconduction.

在低温区，激光的照射使得薄膜电阻率增大，其中La_(0.82)Te_(0.18)MnO_3在253K下的电阻变化率达到峰值51.1%，这比已有的报道中相同条件下的空穴掺杂材料有很大的提高；在高温区激光作用产生了较小的光电导现缘。

A pigtailed acoustooptic Q-switch is inserted between the totally reflected fiber Bragg grating and the combiner's signal port. During the experiment, the operation of the acoustooptic Q-switched Yb3+-doped all-fiber laser is realized.

谐振腔高反端串接一个带尾纤的声光Q开关，实现了重复频率在10 Hz～100 kHz范围内可调声光调Q掺镱全光纤激光器的实验运转；在重复频率500 Hz时，脉冲宽度为3 μs，脉冲能量达到2.94 mJ。

On the basis of the perturbation formulae of the g-factors (fourth-order) and the hyperfine structure constants (third-order) for a 3d^9 ion in tetragonal symmetry, the spin Hamiltonian parameters for the Cu(superscript 2+)-doped LaSrAlO4 crystal are theoretically investigated.

根据晶体场理论，利用3d^9离子在四角对称中自旋哈密顿参量g因子的四阶微扰公式以及超精细结构常数A因子的三阶微扰公式，对掺Cu(上标 2+)的LaSrAlO4晶体的自旋哈密顿参量作出了理论分析。

On the basis of the perturbation formulae of the g-factors (fourth-order) and the hyperfine structure constants (third-order) for a 3d9 ion in tetragonal symmetry, the spin Hamiltonian parameters for the Cu2+-doped LaSrAlO4 crystal are theoretically investigated.

根据晶体场理论，利用3d9离子在四角对称中自旋哈密顿参量g因子的四阶微扰公式以及超精细结构常数A因子的三阶微扰公式，对掺Cu2+的LaSrAlO4晶体的自旋哈密顿参量作出了理论分析。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。