1) harmonic generation
谐波转换
1.
In this paper a theoretical studies on the harmonic generation of phase aberrated laser is presented for the first time.
首次在理论上研究了位相畸变激光束的谐波转换。
2.
harmonic generation process of high intensity broadband laser.
采用晶体正交级联高效宽带三倍频转换技术方案,研究了高强度宽带激光谐波转换过程中的物理问题,并对高强度宽带二倍频和宽带三倍频谐波转换的特性进行了理论模拟分析,得出了相应的计算结果:近场强度分布、倍频效率、带宽的变化等,在计算中考虑了横向的衍射和晶体的吸收等因素,使理论比较完整。
2) harmonic conversion
谐波转换
1.
For the nonlinear harmonic conversion of real laser beams,we have developed a theor.
主要着重于提出解决问题的方法，具体地以高斯随机变量模拟位相畸变，解析地分析了光束质量与位相畸变特征量间的关联；以按空间频谱展开方法，处理任意光束的非线性谐波转换过程。
3) third harmonics generation
三次谐波转换
1.
The type Ⅰ/Ⅱ angle-detuning scheme for third harmonics generation has been taken as an example,and then the influence of low-frequency phase perturbation on the focal characterization of the tripling field has been discussed in details.
本文采用均方根梯度描述低频位相噪声,建立了合理的低频位相畸变模型,以Ⅰ/Ⅱ类角度失谐KDP晶体的高强度三次谐波转换为例,详细的研究了低频位相畸变对三倍频光聚焦特性的影响。
2.
Using type I/II angle-detuning schemes for third harmonics generation,the effect of third-order nonlinear interaction of KDP crystal on the tripling efficiency and beam quality under high power condition has been studied.
研究在高功率条件下I/II类角度失谐倍频方案中 ,KDP晶体的三阶非线性效应对三次谐波转换效率和光束质量的影响。
3.
The influence of third harmonics generation on the focal spot of the tripling field has been discussed.
以Ⅰ/Ⅱ类角度失谐KDP晶体的高强度三次谐波转换为例,详细研究了三次谐波转换过程中,基频光和三倍频光的波前相位畸变之间的定量变化关系。
4) tunable wavelength conversion
可调谐波长转换
1.
In this paper, a novel scheme for tunable wavelength conversion based on semiconductor-fiber ring laser is proposed.
可调谐波长转换器是智能化光网络中的关键光电子器件 。
5) third-harmonic generation
三次谐波转换
1.
Inverse problem of monochromatic third-harmonic generation;
窄带三次谐波转换的逆问题
2.
Based on the nonlinear coupling equations,the relation between group-velocities of 1ω,2ω and 3ω waves in the mixing process of broadband third-harmonic generation(THG)is investigated theoretically.
导出的三波群速匹配关系式对寻找合适的色散晶体和选择有效的匹配措施、实现宽带三次谐波转换具有指导意义。
6) harmonic conversion efficiency
谐波转换效率
1.
Nonlinear crystal adopted intracavity double frequency can improve crystal s harmonic conversion efficiency.
在激光二极管泵浦的全固态激光器系统中谐振腔内有较高的基频光功率密度 ,非线性晶体采用腔内倍频方式可提高晶体的谐波转换效率。
补充资料：可转换证券的转换价值
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参考词条