threshold power

The rate equation was solved to analyze the influence of upconversion effect to the output power, slope efficiency and threshold power in CW operation and the pulse energy, pulse width and peak power in Q-switched operation.

通过速率方程的求解模拟分析了上转换效应对连续运转Ho激光器输出功率、斜率效率和阈值功率的影响以及对调Q运转Ho激光器单脉冲能量、脉冲宽度和峰值功率的影响。

Expressions of output power, threshold power and the slope efficiency of the erbium-doped fiber laser are deduced. The output characteristics of the circular cavity erbium-doped fiber laser are simulated.

推导掺铒光纤激光器输出功率、阈值功率及斜率效率的表达式，对环形腔掺铒光纤激光器的输出特性及性能参数进行模拟仿真。

Data compressions for power consumption signal, voltage interruption signal and transient harmonic distortion signal are simulated and the compression results with different decomposition levels and threshold coefficients are compared. Results prove its feasibility and effectiveness.

对用电消耗信号、电压间断信号及暂态谐波失真信号进行了压缩仿真，并比较了这些信号在不同分解层次和门限限定系数取值时的压缩效果，结果验证了该方法的可行性和有效性。

The dependence of the deposition rate on the laser intesity power has been obtained, at a given temperature, the threshold power is 4 W.

获得沉积速率对激光功率P的依赖关系，在一定的温度条件下，阈值功率为4W。

Effects of overlapping factors on the gain and pumping threshold power are discussed in detail.

详细讨论了重迭因子对增益、泵浦阈值功率的影响。

Influential factors of threshold power density for Nd ∶ YAG laser beam welding of beryllium

铍的Nd∶YAG激光焊接阈值功率影响因素

It can be seen that the improvement of threshold power obtained in experiment agree with theoretical research very well, and equal-amplitude spectral lines can improve the SBS threshold power in fiber transmission system.

理论和实验符合的非常好，证明了等幅光梳可以提高光纤光传输系统中SBS的阈值功率。

When the laser operates in a multi-wavelength condition above threshold power, there is no sign of polarization for the output laser, independent of the coiling radius.

高于阈值多波长运转时，无论采用何种缠绕半径，都观测不到偏振现象。

The output power of high-power semiconductor lasers is greatly influenced by the temperature change, small temperature change can cause large fluctuation in output power and wavelength, threshold current and life will be affected.

大功率半导体激光器的输出功率受温度变化的影响很大，微小的温度变化就会导致输出功率很大的波动，而且波长、阈值电流和使用寿命也会受到影响。

The threshold power is about 400W.

激光阈值功率约为400W。

Among the nonlinear effects, stimulated Brillouin scattering ( SBS) is the most easily generated in optical fiber due to its low threshold power.

在非线性效应中，由于受激布里渊散射具有低阈值的特点，使得其在光纤中最容易产生。

Laser spectroscopy, the threshold power and different output characteristics with different injection currents are measured. And the influence factors of output characteristics are analyzed.

实验研究了LD抽运Tm：YAG脉冲激光器输出特性，测量激光的光谱、阈值功率和不同注入电流下的输出特性，分析了影响输出特性的因素。

The power distribution of pumping light and signal light in fiber, fiber length, rear cavity mirror reflectivity, threshold power, doping concentration and pump geometry which can influence the characteristic of the fiber laser are deeply investigated in the MATLAB simulation environment. 3.

在MATLAB仿真环境中，进一步分析泵浦光和信号光功率分布、光纤长度、后腔镜反射率、阈值功率、掺杂浓度以及泵浦结构对输出功率的影响。

The threshold power for the ring pattern and a formula for the number of rings are obtained.

给出产生环形结构的阈值功率和环数公式。

Using the latest parameter's data of Yb-Er co-doped Al2O3 films, the results show that Yb3+ co-doping can increase photoluminescence intensity and population inversion and lower the threshold power.

利用Yb-Er共掺Al2O3薄膜的相关数据进行模拟计算，结果显示Yb的掺杂可提高Er3+的荧光强度和反转粒子数，并使实现粒子数反转的阈值泵浦强度最大可降低一个数量级。

Optical Bistability with Low Threshold Power in a Prism silver liquid Crystal Device

具有低开关阈的棱镜银液晶装置中的光学双稳

The Analysis and Calculation of Threshold Power of Electromagnetism of Magneto Alternator

永磁同步发电机极限电磁功率的分析计算

For the same diameter of beryllium cylinder, when the angel of incident laser beam was adjusted from 0 ° to 3 °, the back-reflection laser can be overcome. Threshold power density of HIP beryllium will increase.

对同一直径的铍环，激光入射角度从0°调整到3°后，由于消除了背反射激光在谐振腔内形成调Q脉冲，激光焊接时出现深熔焊的临界功率密度增加。

The Brillouin threshold power of the sensing fiber is analyzed and measured, fixing on the max-power of sensing signal.

分析并测试了传感光纤的布里渊阈值，标定Φ-OTDR系统传感信号的最大功率。

A novel method, namely nonuniform dopant concentration fiber, is investigated, with that SBS threshold power of lightwave CATV systems can be increased.

本文研究了光CATV传输系统中提高受激布里渊阈值功率的一种方法&非均匀掺杂光纤法。

The ideal nonlinear optical materials require very large nonlinear optical susceptibility, small threshold power and very fast response time.

理想的非线性光学材料要求具有较大的非线性光学极化率，较小的阈值功率以及非常快的响应速度。

The four-energy-level velocity rate equation is illustrated and so is the expression of threshold power. The laser power on the condition of near-threshhold and powerful pumping is estimated.

由钕离子的四能级跃迁的速率方程理论，推出了阈值功率的表达式，并且对近阈值条件下和强泵浦条件下的激光输出功率做了理论预测；

In experiment, the threshold power density and switch time of the bistable switch are and respectively.

实验测得双稳开关的阈值功率密度为，开关时间为。

Finally, the effect of the deviation from frequency matching condition on the threshold power is also studied.

此外，本文还研究了偏离频率匹配条件对共振自聚焦阈值功率的影响。

The relationships among the threshold power, channel numbers, channel spacing and the cascaded EDFA numbers under the influence of fiber nonlinear-effects are obtained in condition with the equal spacing channel.

在信道间隔相等的条件下，得出了光纤非线性响应影响下的阈值功率、信道数、信道间隔和EDFA级联数等之间的关系。

Anaerobic threshold power can reflect the aerobic metabolic capacity so well that this method can be applied to evaluate the training effect and to control the training course.

无氧阈功率能较好地反映速滑运动员的有氧代谢能力，可用于对训练效果的评定和对训练过程的监控；

Power govern equations of DCFL are constituted. The characteristics of output wavelength, threshold power and slope efficiency of fiber laser are analyzed.

建立了双包层光纤激光器的功率传输方程，并对光纤激光器输出波长特性、阈值功率和斜效率进行了探讨；

With the increase of the effective mode field area of the first core, the switch threshold power increases.

增大第一纤芯的有效模场面积将导致开关的阈值增大。

Finally, we give numerical results of dependence of the growth rate and the threshold power on the beam velocity and the beam dencity.

最后，给出增长率和阈值功率随束速度及束密度变化的数值计算。

Based on the rate-equation of quasi-three-level, the threshold power and the output power are deduced, and calculated the relationship between the optimal output transmittance and output power.

根据准三能级理论推导了阈值功率和输出功率，并且求解了最佳输出透过率和输出功率的关系。