tripling

Theoretical and experimental study of high efficiency frequency tripling using large-aperture laser beam

大口径光束高效三倍频理论和实验研究

Approximate Model on Transform of Beam Characteristics in Frequency Tripling

三倍频激光束特性传输变换的近似模型

Research on pulse shape properties of high-power Nd : glass laser frequency tripling

高功率钕玻璃激光三倍频脉冲时间波形的研究

The Theory and Experimental Investigation of Efficient Ultraviolet Laser with LBO Frequency Tripling

LBO晶体实现高效三倍频紫外激光输出的理论与实验研究

Rules of Period Doubling and Period Tripling Bifurcations in Gap Map

间断单峰映射倍周期分岔规则

Influence of low-frequency phase perturbation on the focal characterization of the tripling field

低频位相畸变对三倍频光聚焦特性的影响

Influences of Polarization Angle θ _p on Pulse Shape of High Power Laser Frequency Tripling

偏振分配角θp对高功率激光三倍频波形的影响

Two-dimension numerical simulation study on high-power high-efficiency tripling harmonic

高功率高效率三次谐波二维数值模拟研究

Preparation of Laser Frequency Tripling Antireflective Film with High-strength

高强度激光三倍频增透膜的制备

Three Wavelength Antireflecting Coating for Laser Frequency Doubling and Tripling

激光倍频三波长减反射膜

Testing Studies of Frequency Tripling Transformers

三倍频变压器的物理试验研究

The results show that phase ripple affects both doubling and tripling efficiency and beam quality of harmonic waves .

结果表明，位相扰动不仅影响二、三倍频光的转换效率，还对各谐波光束质量产生影响。

Based on the phase mismatched frequency tripling , a special configuration is proposed to produce high order nonlinear phase shifts .

基于位相失配三倍频（Δk≠0）转换，构建了产生高阶非线性相移的χ（2）级联非线性过程。

The result is a significant victory for the young party , almost tripling the number it received in 2004 .

选举标志着这个年轻政党所取得的一个重大的胜利，所获选票几乎是2004年时的3倍。

LD Pumped Nd : GdVO_4 Crystal Ultraviolet Laser with LBO Frequency Tripling

LD泵浦Nd：GdVO4晶体LBO三倍频紫外激光器

China became normal , reforming its economy , tripling its gross domestic product and easing its way into the world order .

中国成了正常国家，开始进行经济改革，国内生产总值翻了三倍，开始融入世界秩序。

It has steadily grown since tripling in size later last week and has shown no signs of slowing .

上周火灾烧毁的面积增加了三倍，之后火势一直在持续增长，且没有减弱的趋势。

Renormalization analysis of period - tripling bifurcation in trimodal maps

三峰映射三倍周期分岔的重正化分析

Europeans have suggested a doubling of these sums and the US a tripling .

欧洲国家建议将这个数额增加一倍，美国建议增加两倍。

Last year incidents rose to 3456 ( about 10 a day ) , almost tripling the 2015 figure of 1237 .

去年，无人机投诉事件增至3456宗，几乎是2015年（1237宗）的3倍，相当于每天发生约10宗。

We have studied the effects of fundamental temporal phase modulation on beam quality , and get the relationship between tripling efficiency and modulation depth .

研究了空间位相调制基频光对倍频的光束质量的影响，得出了宽带三倍频效率与调制深度的变化关系。

Aduh : Linger , did you hear ? The school 's tripling internet prices !

阿德：玲儿，你听到消息了吗？学校要把网络费增至三倍！

Far from being crowded out , other multilateral bodies have also got new cash : the African Development Bank is tripling its capital .

其它多边机构非但没有遭到排挤，还同样得到了新资金：非洲开发银行（AfricanDevelopmentBank）正将其资本增至原来的三倍。

The tripling of the stamp tax , to 0.3 % , makes the position of regulators abundantly clear .

印花税上调两倍，达到3%，这使得监管者的立场十分明确。

Morgan Stanley has already made a healthy return on its $ 35m initial investment , at least tripling its money .

摩根士丹利的初始投资为3500万美元，现在至少增长两倍，获得了丰厚的回报。

Weibo contributed US $ 30 million worth of income in the second quarter , more than tripling from a year ago .

在第二季度微博贡献了价值3000万美元的收入，比一年前的两倍还多。

The threat is increasing rapidly ; this year has seen a doubling , or even tripling , of the incident rate over last year .

这种威胁与日俱增：与去年相比，今年的事故率是去年的2倍，甚至达到了3倍。

When all three parameters of tripling system are at the optimized values , the full width at half maximum of pulse shape τ reaches minimum .

在入射基频功率密度约为1.0GWcm2情况下，当三倍频系统三个调谐量都处在最佳匹配时，三倍频波形半峰全宽τ最小。

Based on phase mismatch compensation , a scheme of group velocity compensation in frequency tripling is designed by compensation principle of birefringence and polarization rotation .

在此基础上，设计了超短脉冲三倍频群速度补偿方案，方案采用了晶体双折射群速度补偿、以及极化旋转技术。

The results show that using the scheme of cascade crystals can improve the third harmonic conversion efficiency and increase the dynamic range of the broadband laser tripling .

研究结果表明，使用两块级联的KDP晶体作为混频晶体，不仅能有效地提高带宽较宽条件下三倍频光的转换效率，还可以显著增大宽带三倍频的动态范围。