Research on preparation and luminescence of rare earth doped tellurite and phosphate glassy laser materials is author ' s mainly researched topics . in addition , the author has also studied for the application about the two kinds of materials 作者硕士期间所作工作主要是掺稀土亚碲酸盐和磷酸盐玻璃激光材料的制备和发光的研究，在这基础上对它们的应用也作了相应探讨。
Feasibly experimental projects of fabricating buried waveguides by field - assisted ion - exchanged technology using this equipment were designed . used thermal ion - exchange and the silver film ion - exchange technology , the planar and channel waveguides were fabricated 在实验室允许的条件下,采用ag膜电场辅助离子交换和熔盐离子交换法对铒镱共掺磷酸盐玻璃平板波导和沟道波导进行了制作。
Then after analysising each characteristics of phosphate glass material , the fiber rod - in - tube by invaginating core rod , inside cladding and outside cladding is used to fabricate the er / yb phosphate glass fiber successfully by polishing and vacuumizing fiber rod - in - tube . finally some techniques , such as cladding pump , prism coupling pump and fusing pump are used to measure the gain of fiber amplifiers 最后对拉制出的光纤提出了包层泵浦、棱镜耦合泵浦和熔接耦合泵浦三种可行的增益和传输特性测试测方案,并针对铒镱共掺磷酸盐玻璃光纤的特性,指出了熔接耦合是测试增益和传输特性的最佳方案。
Abstract : this article is about two series of borate and phosphate comprising seven directions . the experiment result shows that both of the two gl ass antioxidants can reduce apparent porosity ， raise oxidation resistance and th e crushing strenth after fire ， but lower refractoriness under load . phosphate glas s is superior to borate in refractoriness under load . which c an attain over 1600 ; so the phosphate glass is a d esirable antioxidant 文摘:研究了硼酸盐和磷酸盐两个系列七种配方的玻璃防氧化剂，实验表明这两种玻璃防氧化剂均可降低铝镁碳砖的气孔率，提高铝镁碳砖的抗氧化能力及烧后的耐压强度，但也不同程度地降低了铝镁砖的高温荷重软化变形温度，其中磷酸盐玻璃优于硼酸盐玻璃，其高温荷重软化变形温度可达到1600以上，仍是可取的防氧化剂
The general development , characteristics and applications of er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were summarized . the characteristics of er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass were introduced . meanwhile , main methods of fabricating optical waveguide were presented briefly 本文首先论述了铒镱共掺磷酸盐玻璃光波导激光器的发展概况,阐述了铒镱共掺磷酸盐玻璃以及铒镱共掺磷酸盐玻璃光波导激光器的特点和在光通信技术中的应用,并简要介绍了制作光波导的几种方法。
Then considering the disadvantage of edfa and ydfa , the following works are accomplished , including fabricating er / yb co - doped phosphate glass material , testing each chemic and physical charicteristics of er / yb co - doped phosphate glass and designing double clading single mode fiber etc . after introducing gain theory of edfa and ydfa , the rate equation and propagation equation of er / yb co - doped phosphate glass fiber are simplified , and each factors relating to the gain of fiber amplifiers , such as fiber leghth , pumping power , signal power and wavelegth , ion concentration etc . are also described 在简要介绍掺铒光纤放大器和掺镱光纤放器增益理论之后,从铒镱共掺光纤铒镱离子的速率方程出发,对铒镱共掺的速率方程和传播方程进行简化,分析了光纤长度,泵浦功率、信号波长及离子掺杂浓度等因素对铒镱共掺磷酸盐玻璃光纤增益的影响。阐述并分析了磷酸盐玻璃增益介质的各种物理和化学性质。
A new laser source of optical communication , erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser , has been investigated globally from 1990s . the laser can meet many rigorous demands of wdm systems . the 1 . 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ) , therefore , a splendent foreground can be predicted about this kind of laser in future optical communication 基于铒、镱掺杂磷酸盐玻璃基片的光波导激光器是一种新型通信光源,具有传统的分布反馈半导体激光器所不能比拟的优点,能满足波分复用/密集波分复用技术对光源提出的诸多高新要求,所发射的1 . 54 m激光符合国际电信联盟规范,在未来光通信中有着广阔的发展前景。
