Focusing on the normal inverter's dynamic characteristics which can not satisfy the requirement of reducing current quickly before the time of rupturing of the bridge, a new current wave controlling method for short circuit transfer CO 2 welding using satiable inductor is put forward in this paper.
本文针对普通ＣＯ２焊逆变电源的动态性能不能满足短路过渡ＣＯ２焊波控方法的要求，焊接电源难以实现在液桥爆断前迅速减小电流的问题，提出了一种在波控方法中采用可饱和电感作为ＣＯ２逆变焊机续流电感的方案。
The saturable absorption properties of semi-conduction GaAs for 1064nm laser was researched.
本文分析半导体材料GaAs对1064nm激光的可饱和吸收特性,在闪光灯抽运的平凹腔和平凸腔Nd:YAG激光器中,插入GaAs样品作为调Q器件,实现了激光器的被动调Q运转,分别获得脉冲宽度32。
With regard to Cr 4+ ∶YAG crystal,the authors analyse its saturable absorption characteristics and derive the saturated light intensity of its first and second excited states.
０６μｍ激光的可饱和吸收特性。
In the experiments, the phenomenon of saturable absorber catches attention.
实验中发现激光器在略超过阈值后输出功率很不稳定,出现可饱和现象,并从激光产生的跃迁机制这一角度阐明了可饱和吸收的机理。
The coupled mode function of basing on saturable absorber optical narrow-band filter using numerical analysis was soluted.
采用数值分析的方法求解了基于可饱和吸收体的光窄带滤波器耦合模方程,对影响光窄带滤波器输出响应特性的掺杂光纤的长度、吸收系数和输入泵浦功率进行了理论分析;通过实验验证了构成可饱和吸收体的掺杂光纤长度与光窄带滤波器响应带宽成反比的结论;将光窄带滤波器应用于光纤激光器中,获得了输出激光功率大于1 mW,不跳模时间大于2 h,线宽在百赫兹量级,2 h内的功率不稳定度为0。
In this paper, the threshold behaviours of the self-pulsing instability for the class B lasers with saturable absorber are studied.
对含有可饱和吸收体的Ｂ类激光系统的自脉冲不稳定性的阈值行为进行了研究，并就各种激光参量对其阈值的影响进行了数值计算。
The numerical method is used to solve the rate equations when the stimulated state absorption of saturable absorber is considered.
在考虑可饱和吸收体受激态吸收的条件下,用拉格朗日乘数法求出了被动调Q激光器输出关键参数的解析解,给出了被动调Q激光器输出能量与输出耦合镜反射率的解析表达式,并通过数值解来优化选择被动调Q激光器可饱和吸收体的初始透过率、耦合输出镜反率等关键性参数,计算和分析了红宝石被动调Q激光实验数据,计算结果十分接近实验的真实值,较好的说明了被动调Q激光器关键参数的优化效果。