laser threshold的例句大全

Our main research results and innovations are listed as following: ( 1) We first found that energetic electron refluxing can influence the SIT, making the laser with intensity lower than the threshold intensity of SIT could penetrate through the overdense plasma.

本文的主要研究结果和创新点如下：（1）首次发现了高能电子回流可以影响过密等离子体自导透明，使低于自导透明阈值强度的激光能够穿透进过密等离子体薄靶。

Because the stress damage threshold intensity is smaller than the melting damage threshold intensity, permanent damage in optical material is produced when circumference stress exceeds the tensile strength. The damage morphology of K9 glass induced by laser is proved to be cleavage burst.

由于K9玻璃的应力损伤阈值小于熔融损伤阈值，因此当激光作用引起的环向热应力大于材料的抗拉强度时，材料发生永久性损伤，损伤形态为拉伸解理。

For the exactly soluble case of unidirectional ring laser with a homogeneous broadened line, the frequency shift relation, the critical and threshold value of inversion, the phase transition behavior and the features of the two-photon lasers with injected signal are analysed.

就可以精确求解的均匀展宽、单向环形激光器的情形，分析了频率位移关系，反转度的临界值和阈值，相变行为，以及带有外加讯号的双光子激光的特性。

Starting with laser equations in the mode picture, the mode locking laser equations and Fokker Planck equation have been derived. The first threshold and second threshold of mode locking laser have been found.

从模式表象的激光方程出发，导出了锁模激光方程以及相应的福克-普朗克方程，得到了锁模激光的第一阈值和第二阈值。

Study of Injury Threshold of Rabbit and Delayed Reaction Irradiated with 308 nm Xecl Excimer Laser

308nm紫外激光对兔眼角膜损伤的延迟反应和损伤阈值研究

For higher extraction efficiency and low threshold operation to the quasi-three level laser system, the Tm, Ho ∶ YLF crystal is cooled by liquid nitrogen reserved in a small detector type dewar, and works at the temperature of 77 K.

为降低准三能级系统激光器阈值，提高激光脉冲能量抽取效率，Tm，Ho∶YLF晶体采用液氮制冷方式，工作在77K温度条件下。

Film damage threshold is the key parameter of thin-film anti-Intense Laser.

薄膜损伤阈值是薄膜抗强激光作用的关键参数。

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 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。

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 threshold pumping power of the laser is 5.2 mW.

激光器的阈值泵浦功率为5.2mW。

Measurement results of the dependence of the pulse width of the mode-locked pulses, the stability range of laser for stationary single-pulse operation and the threshold pumping power on the concentration of the absorber dye are given.

提供锁模脉冲宽度、激光器以稳定单脉冲工作的稳定性范围和阈值泵浦功率等，对吸收体染料浓度依赖关系的测试结果。

The basis of the theory model of laser radar for direct detection is built on that the maximal detectable distance is decided by certain detection probability, false-alarm rate, signal noise ratio and threshold noise ratio.

从虚警概率、探测概率、信噪比和阈值噪声比决定最大探测距离的这一角度阐述建立直接探测激光雷达模型；假设在直接检测方式下，探测器噪声可以用高斯概率密度函数表示；

Some aspects of development of studies on ocular injury effects of ultraviolet, visible and infrared laser, including the ocular damage threshold investigations conducted in China and the important data of threshold ratio be-tween yellow race people and animal eye damage were reviewed in this paper.

本文综合评述了紫外、可见及红外激光眼损伤效应研究的若干进展，包括我国激光损伤阈值的研究概况，特别是黄色人种眼损伤阈值与动物眼损伤阈值之比的重要数据。

Threshold chemical reaction method in molecular forms for laser-based separation of uranium isotopes

阈能反应分子法激光分离铀同位素

It is shown that it is able to produce highly enriched uranium in a small scale of 10 kg/ a using so called threshold chemical reaction method for laser-based separation of uranium isotopes in molecular forms.

论证了激光分离铀同位素阈能反应分子法在高浓铀小规模（10kg／a）生产中的可行性。

Putting the reactants in uniform electric field, we reduced the laser power density threshold needed by said reaction by a factor of two.

把反应物置于均匀外电场中，可以使引发化学反应时所需的激光功率密度阀值降低一倍。

As a result, with the emphasis on the threshold region, several laser characteristics of importance, such as the carrier density, photon density, etc.

在此基础上，着重对阈值附近半导体激光器的载流子密度、输出功率以及阈值电流等重要特性进行了研究。

The calculated threshold temperature is found to be in good agreement with the experimental laser-starting temperature, which indicates the resonance radiation trapping is a significant factor in establishing the population inversion of the resonance to metastable transition lasers.

发现计算得到的阈值温度与实验报道的开始产生激光的工作温度一致，表明共振辐射俘获效应是这类激光形成粒子数反转的一个重要机制。

The laser active recognition technique used to detect the target are presented, which include threshold value treatment technique, wave gate control technique and target extraction technique.

阐述了激光主动探测目标识别可采用的技术，包括阈值处理技术、波门控制技术和目标提取技术等。