threshold current的例句大全

InGaAsP/ InP PBH Bistable Lasers with Low Threshold Current

低阈值InGaAsP/InP PBH双稳激光器

Also, the improvement of quantum dot lasers' performance is investigated through vertical stacking and p-type doping and the optimal dot density, which corresponds to minimal threshold current density, is calculated.

研究了垂直层叠和p型掺杂对量子点激光器性能的改善，并讨论了获得极小阈值电流密度时的最佳量子点密度。

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。

Further, a maximal output power of 9.4W, vertical divergence angle of 32 °, and threshold current density of 239A/ cm2 can be obtained by adapting broad waveguide layers.

采用宽波导结构可以得到器件的最大输出功率为9.4W，发散角为32°，阈值电流密度为239A/cm2。

The InGaAs/ GaAs strained quantum well lasers are able to work with extremely low threshold current density, high characteristic temperature and high COD limit, which make Ld lasers achieve higher output power and longer Ufe.

InGaAs/GaAs应变量子阱激光器具有级低的阈值电流密度、较高的特性温度和较高的光学灾变损伤阈值，这使得激光器具有更高的输出功率和更长的寿命。

The experiments indicate that the use of source materials with high purity, BN effusion cells, and the cryopump in the system play important roles in reducing the threshold current density of the lasers and improving their optical and electrical performance.

实验表明，生长过程中采用高纯度的源材料，氮化硼的泻流盒以及生长系统中的低温泵等对降低器件的阈电流密度，改善激光器的光电性能起到重要作用。

Choosing three cases of Al-content of the waveguide layer and the cladding layer, we calculate and analyze the dependences of the optical confinement factor, maximal output power, vertical divergence angle, and threshold current density on the thickness of the waveguide layer.

选取了三种情况的波导层和限制层的铝组分，分别计算和分析了波导层厚度与激光器光限制因子、最大出光功率、垂直发散角和阈值电流密度的函数关系。

Our analysis of one particular structure has shown that a relatively low threshold current density of 832A/ cm2 can provide a threshold optical gain of 50/ cm at room temperature. We have also found that the characteristic temperature in this structure is as high as 136K.

分析显示，用一个相对较低的阈值电流密度（832A/cm2）能够实现室温下产生50/cm的阈值光学增益，而且这种结构的特征温度高于136K。

Calculated results show that when the Al-content of the waveguide and cladding layers are 0.4 and 0.5 respectively, a maximal output power of 11.2W, vertical divergence angle of 19 °, and threshold current density of 266A/ cm2 can be achieved by adapting narrow waveguide layers;

根据计算结果可知：当波导层和限制层铝组分为0.4和0.5时，采用窄波导结构可以获得器件的最大输出功率为11.2W，发散角为19°，阈值电流密度为266A/cm2；

We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.

通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。

Through the analysis of the loss and threshold characteristics of a laser diode ( LD), the threshold current density of LD with external feedback is calculated, according to the theory of multi-beam interference and the definition of equivalent reflection factor.

通过对半导体激光器（LD）的损耗和阈值电流特性的分析，引入等效反射系数的概念，根据多光束干涉的原理，导出了在外腔反馈作用下LD的阈值电流公式。

The device has a reinforced ridge waveguide structure. The threshold current obtained at 80K is about 0 5A, and the corresponding threshold current density is about 5kA/ cm 2.

该器件具有增强型脊型波导结构，在80K时阈值电流为0.5A，相应的阈值电流密度为5KA/cm2。

The threshold current for switching to out-of plane precession state is the lowest when the magnetization directions of two pinned layers are antiparallel and perpendicular to the film plane.

当两钉扎层磁矩方向反平行排列并且都垂直膜面的时候，实现磁矩进动态所需的电流最小。

The threshold current of stimulation, time to acquirement of endpoint, time to onset of motor block in cooperative children and effect of nerve block were compared among the groups.

比较各组在刺激域电流、获得终点时间、合作患儿运动阻滞起效时间及神经阻滞效果的差异。

The lowest threshold current density of 2000A/ cm~ 2 and average normalized threshold current density of 5000A/ cm~ 2. μ m were obtained under pulsed operation at room temperature.

室温下的最低阈电流密度是2000A/cm~2.平均归一化阈电流密度是5000A/cm~2μm。

Zhuhai months of the current tax threshold is how much?

珠海现行的个税起征点是多少?

On this basis, an improved current-mode CMOS ternary adder with threshold-controllable function was designed.

在此基础上设计了具有阈值控制功能的电流型CMOS三值全加器。

An effective way to reduce the leakage power is by means of multithreshold CMOS technique, which can restrain the leakage current by adding a MOS transistor to low threshold circuit.

多阈值CMOS技术是一种降低电路漏电流功耗的有效方法.它通过接入高阈值MOS管来抑制低阈值模块的漏电流。

The doping concentration in the active region has great effect on the waveguide property. With the increasing of doping concentration, the waveguide loss, threshold gain and current density of THz QCL increase, the confinement factor decrease. 3.

结果表明，随着有源区掺杂浓度的提高，波导损耗增加，阈值电流增加，波导限制因子降低。

The current human capital accumulation has reached the threshold effect of imitation, while the regional discrepancy still exists.

我国现有整体人力资本已达到进行有效技术模仿的临界值，技术模仿对我国经济的贡献已凸显出来，但同时也存在区域差异；