1) switching threshold power
开关阈值功率
1.
The results of investigating indicate that the initiative chirp reduce the coupling length as well as make the switching characteristics become worse,correspondingly,the second order coupling coefficient dispersion shorten the periods of the optical solitons energies transforming between two cores,increase the switching threshold power and make switching characteristics become sharper.
研究表明,初始啁啾使光脉冲传输时的耦合长度减小,耦合器的开关特性变差;二阶色散耦合系数使光脉冲在二纤芯之间能量转换的周期变小、开关阈值功率增加而且开关特性也变得更加陡峭。
2) low threshold switching power
低阈值开关功率
3) threshold power
阈值功率
1.
Through analyzing reabsorption loss of current quasi-three-level systems and contrasting the experimental result,the threshold power as well as the inversed thermal particles were obtained,and the steady-state behavior of the improved ring cavity double-clad Tm3+-doped fiber laser was investigated.
通过分析准三能级系统的再吸收损耗并对比实验结果,获得了双包层掺Tm3+光纤激光器的阈值功率和热平衡时反转粒子的数量;研究了所设计的环形腔双包层Tm3+光纤激光器的稳态特性,仿真结果表明:环形腔结构下,整个光纤都处于高泵浦状态之中,且随入射功率的增加,泵浦功率增加更明显;在光纤长度不变的情况下,二色镜最佳反射率随泵浦功率的增加逐渐增大;在二色镜反射率不变的情况下,随泵浦功率的增加,最佳光纤长度逐渐增加。
2.
Theoretical analysis of the noise characteristics (ASE) was conducted,the analytical formula of gas gain,threshold power and slope efficiency was prescribed and a numerical model with output characteristic was developed.
抽运光模强度分布与纤芯铒离子分布的重叠积分因子是对激光器非常重要的参数,将对光纤的模式进行分析,根据各个模式的模场来判断该模式是否与纤芯铒离子分布有重叠,研究了与介质吸收截面有关的重叠积分的影响因素;对放大自发辐射(ASE)噪声特性进行理论分析,给出增益、阈值功率和斜率效率等的解析形式,建立输出特性计算模型。
4) power threshold
功率阈值
1.
This paper studies the influencing factors of power threshold of high energy laser in the thermal blooming in aspects of numeric and theoretical analyses,and gets the conclusion that the power threshold is proportional to the square of wave length and air flow rate,and is inversely proportional to the absorption coefficient.
从理论和数值分析两个方面研究了影响热晕效应中高能激光功率阈值的因素,得到了高能激光的功率阀值与激光束波长的平方成正比,与空气流动速度成正比,与吸收系数成反比的结论。
2.
This paper firstly discusses the mechanism of production and the properties of power threshold about nonlinear effects .
在分析了光纤激光器、放大器中几种非线性效应的产生机理、功率阈值特点后,着重介绍了采用大模场光纤设计、变化光纤掺杂成分及分布、纳米粒子直接掺杂技术以及控制应力、温度场调制等新方法、新技术在非线性效应管理中的应用,最后指出合理的方案。
5) threshold switch
阈值开关
补充资料：开关
开关
kaiguan
开关(kaiguan)针灸穴名。出《司牧安驹粼》o牛又称牙关穴，出《抱搜滚》。猪称颊车穴，羊称牙关穴，见《件医针灸手册》。位于颊部，口角后上方咬肌前缘的凹陷处;马在第四臼齿相对的皮肤表面，刺入咬肌前缘，上下臼齿间的颊肌内.有面动、静脉及颊神经分布，牛在第三对臼齿稍后上方，刺入咬肌部，有颊背及颐浅神经和面横动、静脉，以及咬肌动、静脉;猪在第三对臼齿间;羊在咬肌前缘上下臼齿间。左右侧各一穴。用火针、圆利针向后上方刺入，马2一3厘米，羊、猪。.6一l厘米，牛向上方刺入2一3厘米;毫针蒯入马6~9厘米，牛3一4.5厘米，猪1.5一3厘米，羊1厘米。或向前下方透刺锁口。羊、猪还可用艾灸、火烙。具有硫风通络，顺气开胃作用。主治破伤风、牙关紧闭、歪嘴风、颊肿和马颐肌强直、牛咽喉炎、消化不良。(孙永才)
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参考词条