提出了一种寻找最佳二次谐波产生方向的方法。
A method for determining the optimum direction in SHG is suggested.
它主要由二次谐波产生、和频产生、差频产生、光参量振荡等构成。
It mainly consists of harmonic generation, sum-frequency generation, difference-frequency generation, optical parametric oscillation and etc.
在此基础上，对一种芪盐LB膜样品进行了变入射角的透射二次谐波产生研究。
Transmitted SHG signals were measured on a stilbazium salt LB monolayer with variable angle of incidence.
苯基脲具有很强的二阶非线性光学效应，其粉末二次谐波产生效率为尿素的11倍；
A primary study was carried out and the results revealed that phenylurea had fairly strong nonlinearity, its powder second harmonic generation efficiency was 11 times larger than that of urea.
绿色发光二极管激光器提供了绝对优势相比，同等绿色输出二次谐波产生(倍频)设备。
The green-emitting laser diode offers a number of compelling advantages compared to an equivalent green-output second harmonic generation (SHG) device.
本文主要研究了酒精固定的VG染色对I型胶原（取自C57BL/6型鼠尾）二次谐波产生的影响。
In this letter, we present our investigation on the influence of van Gieson's (VG) alcoholic picrofuchsin staining on SHG in type I collagen (from tendon-rich C57BL/6).
同时，分析变压器对称涌流产生的原因，计算说明对称涌流中的二次谐波比并不一定比单侧涌流低。
The cause of symmetric inrush is analyzed, and the simulation results show that the ratio of second harmonic in the symmetric inrush is not lower than that in the asymmetric inrush.
理论分析和数值计算表明：相位匹配条件满足的情况下，光子晶体(PBG)中的二次谐波的产生的效率和增强会大大提高。
As for SHG, we show that the efficiency of SHG in PBG can be greatly enhanced if the phase match condition is met.
本文对在临界相位匹配条件下使用聚焦高斯光束在双轴晶体中产生二次谐波进行了理论分析。
Theoretical analyses are presented on the critically phase-matched second-harmonic generation (SHG) in a biaxial crystal with the focused fundamental Gaussian beams.
本文对在临界相位匹配条件下使用聚焦高斯光束在双轴晶体中产生二次谐波进行了理论分析。
Theoretical analyses are presented on the critically phase-matched second-harmonic generation (SHG) in a biaxial crystal with the focused fundamental Gaussian beams.
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