Fourth, influencing factors of millimeter signals generated by DBR fiber laser were studied.

1、

Experimental Study on the Self-pulsation Behavior of LD End-pumped Yb~ ( 3+)-doped Double Clad Fiber Laser

LD端面抽运掺Yb~（3+）双包层光纤激光器自脉动行为的实验研究

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2、

FBG-based fiber laser has some excellent characteristic with narrow linewidth output, simple structure, stable performance, easy maintenance and so on.

基于FBG的光纤激光器具有窄线宽输出、结构简单、性能稳定、易于维护等优点。

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3、

Operation of a Ytterbium-doped Fiber Laser Pumped by Ti: sapphire Laser

钛宝石激光泵浦的掺Yb光纤激光器

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4、

The Q-switching Skill of the Fiber Laser

光纤激光器调Q技术

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5、

All Fiber Q-Switching of Fiber Laser

光纤激光器中的全光纤型Q开关

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6、

Experimental Studies of a Wavelength Scanning Mode Locking Er-doped Fiber Laser

波长扫描锁模掺Er光纤激光器的实验研究

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7、

Self-Q-switched and Self-mode-locked Erbium/ Ytterbium Co-doped Fiber Laser

自调Q、自锁模铒/镱共掺光纤激光器

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8、

telomerization of ethylene and ethanol

乙烯与乙醇的调节聚合反应

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9、

Laser deposited welding of functional gradient materials with powder feeding

送粉激光堆焊梯度功能材料

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10、

Gradient Hardfacing on the Laser Overlay Deposit Tungsten Carbide of the Nickel Matrix and Wearable Mechanism Analyze

激光堆焊镍基碳化钨梯度焊层及耐磨机理分析

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11、

Application and prospect of laser surface beam welding technology

激光表面堆焊技术及其发展趋势

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12、

At present, research on the repairing process of laser surfacing welding of high-strength requirement materials is rarely in the world.

目前，国内外针对具有高强度要求的材料的激光堆焊修复工艺的研究较少。

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13、

The wearing resistance of the surface layer has greatly surpassed that of the substrate. The optimized matching of materials and properties can be realized by laser deposited welding with powder feeding, which provides an effective way for the forming and functional gradient repairing of metal components.

送粉激光堆焊可以实现材料与性能的优化匹配，为金属零件的梯度功能修复和复杂零件的成形提供了一条有效途径。

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14、

Contrasted research on the dilution between laser cladding coat and built up welding coats

激光熔覆与堆焊层成分稀释度的对比研究

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15、

Comparison of Microstructure and Property of Laser Building-up Layer with Argon Arc Melting Cladding

H13钢激光堆焊与氩弧焊的组织和性能对比研究

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16、

Study of laser build-up welding on the surface of hot work die steel

热作模具钢表面激光堆焊耐磨合金层的研究

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17、

Application and prospect of laser surface build-up welding technology

激光表面堆焊技术的应用及展望

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18、

The characteristics of weld acoustic signal during laser cladding were analyzed in details.

以平板激光堆焊为研究对象，详细地分析了焊接过程声信号的特征。

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19、

And Laser surfacing welding repairing process can prolong the service life of the parts, save the cost and improve the production efficiency.

采用激光堆焊工艺对其进行修复，可以延长零件的使用寿命，节省设备换新成本，提高生产效率。

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20、

This paper introduces process features and industry application of laser build-up welding in details, analyses the exist problems and methods of quality control, and predicts the future of development, thus, providing references for research and popularization of industry application.

详细介绍了激光堆焊的基本特点及其工业应用，并就该技术应用过程中存在的问题、堆焊质量控制方法及今后的发展趋势进行了分析与预测，为该技术的研究开发以及工业推广应用提供参考。

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