| 钛扩散Nd：LiNbO3波导激光器的1085和815nm导模和有效折射率 … |
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| 引用本文： | 张德龙,丁桂兰.钛扩散Nd：LiNbO3波导激光器的1085和815nm导模和有效折射率 …[J].量子电子学报,2000,17(6):545-552. |
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| 作者姓名： | 张德龙 丁桂兰 |
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| 作者单位： | [1]天津大学精密仪器与光电子工程学院,教育部光电信息技术科 [2]天津大学精密仪器与光电子工程学院,教育部光电信息 |
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| 基金项目： | Project supported by 21st
Century Youth Natural Science Foundation of Tianjin, P.R. China |
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| 摘 要： | 利用变分方法对钛扩散ｃ切Ｎｄ：ＬｉＮｂＯ３波导激光器的１０８５和８１５ｎｍＴＭ导模和有效折射率进行了分析，计算机几个低阶ＴＭ模式的模场尺寸和相应的有效折５射率随波导制备参数（初始钛条宽度Ｗ，扩散温度Ｔ和初始钛条厚度Ｈ）的变化关系，讨论了波导的单模条件和截止条件，所得理论结果与以前所报导的实验数据进行了比较。
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| 关 键 词： | 钛扩散 Nd：LiNbO波导激光器 有效折射率 导模 |
| 收稿时间： | 1999/8/26 |
| 修稿时间： | 1999年8月26日 |
Variational Analysis of
Guided Mode and Effective Refractive Index at 1085 and 815 nm of Ti-diffused Nd:LiNbO3
Waveguide Lasers |
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| Zhang Delong.Variational Analysis of
Guided Mode and Effective Refractive Index at 1085 and 815 nm of Ti-diffused Nd:LiNbO3
Waveguide Lasers[J].Chinese Journal of Quantum Electronics,2000,17(6):545-552. |
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| Authors: | Zhang Delong |
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| Abstract: | An analysis of TM modeand effective refractive index in c-cut Ti-diffused Nd:LiNbO3 strip waveguide lasers hasbeen carried out at the laser wavelength 1085 nm and pump wavelength 815 nm by usingvariational technique. The mode size and effective refractive index as function of thecontrollable waveguide fabrication parameters(initial Ti-strip width W, diffusiontemperature T and initial Ti-strip thickness H) have been calculated for severallower-order modes. The single-mode and cut-off conditions were discussed. The numericalresults are compared with previously published experimental data. |
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| Keywords: | variational analysis guided mode effective refractive index waveguide laser |
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