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.
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;
second harmonic generation by periodic domain structure of nonlinear optical waveguide has been studied experimentally. here reports a method for shg.
本文研究了光轴周期反转结构光波导的实现方法,利用这种结构的光波导进行了非线性倍频实验。
non-collinear second harmonic generation self-correlation for the pulsewidth of ultrashort semiconductor laser at high repetition rate is designed.
设计了用于高重复率超短脉沖半导体激光脉宽测量的非共线二次谐波自相关测量装置。
the green-emitting laser diode offers a number of compelling advantages compared to an equivalent green-output second harmonic generation (shg) device.
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。
at present, ktp has been widely used in second harmonic generation (shg), sum (difference)-frequency mixing, optical parametric oscillators (opo) and optical parametric amplification (opa).
furthermore, the degree of collagen damage in the residual thermal zone was evaluated by quantitative analysis of second harmonic generation signals.
我们能够更进一步定量分析二倍频减少的程度,来评估雷射后剩馀热伤害的程度。
by using coupled-mode equation, the formula for conversion efficiency of cerenkov second harmonic generation (cshg) is deduced in this paper.
从耦合模方程出发,推导了切伦科夫倍频转换效率公式,并得出该效率主要是由交叠积分决定的结论;
synthesises eighteen kinds of cinnamylidene acetophenone derivatives and discusses their properties of ir, uv, photoacoustic spectrum , x ray diffraction and second harmonic generation (shg).
in cerenkov second harmonic generation (cshg) scheme, the phase matching condition is satisfied automatically, but the conversion efficiency is low.
切伦科夫方案中,相位匹配条件可以自动满足,但是倍频效率较低。
optical pulse generated by external electro-absorption modulator (eam) in virtue of the method of fringe-resolved second harmonic generation correlation (frshg) was measured.
利用条纹分辨二次谐波相关法,对电吸收调制器产生的光脉沖进行了测量。
in the chapter 2, rate equation theory, oscillator cavity designing theory, pumping designing theory, the second harmonic generation theory and q switching theory are generalized.