1. The effects of concentration of erbium and ytterbium ions, pump power, signal power and fiber length on the gain characteristics of the co-doped fiber amplifier are analyzed. Comparison with singly erbium-doped fiber amplifier is made, the result of which shows that the gain and pump efficiency of Er(superscript 3+)/Yb(superscript 3+) co-doped fiber are apparently higher than that of singly erbium-doped fiber.
通过研究Er(上标 3+)浓度、Yb(上标 3+)浓度、抽运光功率、光纤长度对放大器增益的影响，并与单掺铒光纤放大器进行了比较，表明共掺光纤的增益和效率明显高于单掺铒光纤。
2. In a heavily erbium-doped fiber, the lifetime of the excited state of Er〓 ion decreases as the doping concentration and pumping level increase.
以之为腔内梳状滤波器，在驻波腔和行波腔两种腔结构下，分别得到了稳定的10波长和8波长的同时激射。
3. Erbium oxide thin films were prepared at different Ar/O2 flow ratios by reactive radio frequency magnetron sputtering.
采用射频磁控反应溅射技术，在不同的Ar/O2流量比条件下制备了系列Er2O3薄膜样品。
4. The source of the erbium ion is erbium oxide (Er2O3) nanoparticle.
其中，铒离子的来源是氧化铒奈米粒子。
5. However, we found another way to make a novel high-powered erbium doped organic nanomaterial, by which the organic layer fully enwrapped the surface of the erbium doped oxide materials, and it could be well dissolved in organic polymer materials or solvents. Further more, it also showed better fluorescent quantum yield, almost 1000 times higher than that of the common erbium organic complexes. Based on the fluorescence resonance energy transfer theory, the Frster critical distance R_0 of the interaction from OH group to Er~(3+) was calculated to further confirm the data from experiments. In a word, our results provided solid evidences in making highly efficient organic EDWAs.
我们另辟蹊径，成功地制备了一种新型的有机铒纳米增益材料，通过在高效率的掺铒纳米氧化物表面包覆有机层，从而实现其在有机聚合物材料中具有高溶解性与高稳定性，并且它还具有比普通铒配合物材料高出3个数量级的量子效率，通过Forster理论，计算了OH基团对Er~(3+)离子的临界作用距离R_0，从而进一步验证了实验结果，为实现高效率的有机EDWA器件提供了积极的指导意义。
6. The proportion of erbium-doped fibre length of dual-stage L-band EDF amplifier with cascade structure is optimized, which is done by changing pump power of the second stage under the condition that the EDF length and pump power of the first stage is determined.
在前级Er光纤长度和抽运功率确定的前提下，通过改变后级抽运功率，对L波段级联结构掺Er光纤放大器的两级光纤长度的比例进行了优化研究。
7. Erbium(Er)
7. Such a donor level will make it possible to realize effective room-temperature luminescence of erbium in semiconductor.
从计算结果看，在β-SiC中共掺Er和O是解决Er在Ⅳ族元素半导体中室温高效1.54μm光发射的可能途径。
8. Since it has not much been used in clinic, and never used in China, to investigate its application for cataract extraction surgery, this study use Erbium: YAG laser for continual circular capsulorhexis on patients of senile mature white cataract, hyper-mature cataract or miotic pupil cataract with posterior synechia, which are difficult for capsulorhexis.
由于迄今临床应用甚少，国内尚未开展此项技术，因此本研究利用Er：YAG激光对采用常规手法撕囊困难的老年性成熟期的白色白内障、过熟期白内障及有虹膜后粘连的小瞳孔老年性白内障患者进行连续环形撕囊，来探讨其在白内障摘除术中的应用。
9. Use Erbium: YAG laser for continual circular capsulorhexis is simple, easy, safe and effective, and particularly has obvious advantage on patients with senile mature white cataract, hyper-mature cataract and miotic pupil cataract with posterior synechia, which are difficult for capsulorhexis using manualr technique.
利用Er：YAG激光行连续环形撕囊，简单、易行、安全、有效，尤其是应用于常规手法撕囊困难的白色白内障、过熟期白内障及小瞳孔等病例，具有明显优势；2。
10. Electrical conductivity measurements were made on three erbium salts: Er(ClO_4)_3, Er(NO_3)_3 and ErCl_3 dissolved in dimethyformamide.
通过电导测量研究了3种铒盐：E r(C lO4)3、E r(NO3)3和E rC l3在极性非质子溶剂DM F中的电导性质。
11. Corneal changes in of Er: YAG laser emulsification and phacoemulsification for cataract surgery The effect of Erbium: YAG lens photolysis on the temperature of anterior chamber and around the incision of pig eye
铒激光乳化与超声乳化白内障摘除术对角膜内皮影响的对比观察Er：YAG激光乳化晶体术对猪眼前房及切口部组织温度的影响
12. Erbium(Er)
12. The effect of Erbium: YAG lens photolysis on the temperature of anterior chamber and around the incision of pig eye
Er：YAG激光乳化晶体术对猪眼前房及切口部组织温度的影响
13. The optical field distribution of Erbium-doped glass planar waveguide is calculated first by the Finite-Differences Time-Domain based on Alternating-Direction Implicit Method (ADI-FDTD).
用交变隐式差分方向的时域有限差分法（ADIFDTD）计算了掺Er3+玻璃平面光波导放大器中光场的分布。
14. The potassium dichromate standard solution was added as oxidizing agent and erbium oxide (Er_2O_3) added as catalyst. After the digestion was completed, excess of the dichromate in the solution was back-titrated with standard ferrous ammonium sulfate solution using (1, 10-phenanthroline) as indicator.
在体积比为4∶1的硫酸和磷酸混酸溶液中，重铬酸钾作氧化剂，氧化铒（Ⅲ）催化微波消解生活污水，过量重铬酸钾用1,10菲绕啉指示，硫酸亚铁铵标准溶液滴定。
15. According to the influence of OH - on the fluorescence lifetime of Er 3 + in glasses, the relations between the type/content of alkali metal ions and the content of OH - groups in erbium doped phosphate glasses were studied.
根据OH-对Er3+荧光寿命的影响，研究了掺铒磷酸盐玻璃中碱金属离子类型和含量对OH-含量的影响。
16. Study on Effect of Rare-Earth Element Erbium on the Al-Zn-Mg Alloy
稀土元素铒（Er）在Al-Zn-Mg合金中的作用
17. Erbium(Er)的翻译
17. Based on rate and power propagation equations, the upper state population distribution of Er 3 + and Yb 3 + of an double cladding erbium-ytterbium co-doped fiber amplifier was analyzed numerically under three different 972 nm pumping scheme.
基于速率方程和功率传播方程，数值分析了双包层ErYb共掺光纤放大器在波长为972nm的泵浦光作用下，分别采用三种不同泵浦方式，其Er3+和Yb3+上能级粒子数分布情况。
18. Erbium(Er)的意思
18. Determination of 17 Trace Impurity Elements and erbium in Zr-U-Er alloy by chromatographic separation with tributyl phosphate and ICP-AES
TBP色层分离－ICP／AES法测定锆铀铒合金中十七个微量杂质元素和铒
19. The electronic structure of erbium related defects in β SiC were calculated with cluster model and EHMO theory. and photoluminescence of erbium in a SiCx ∶ H were realized (at 77K).
用集团模型和电荷自洽的EHMO理论计算了βSiC中Er缺陷的电子结构，并在实验上实现了Er在aSiCx∶H中的154μm光致发光（77K）。
20. Study on the Upper State Population Distribution of Double Cladding Erbium-ytterbium Co-doped Fiber Amplifiers
双包层Er-Yb共掺光纤放大器上能级粒子数分布研究