| 1. | Theoretical study of the properties of second harmonic generation in cslib6o
10晶体倍频特性的理论研究 |
| 2. | In the last chapter , a novel method of optical voltage sensing based on second harmonic generation in periodically poled linb03 is proposed
本文最后一部分，从光学电压传感器的原理出发，在周期性极化铌酸晶体倍频效应基础上，提出了一种新的光学电压传感方法。 |
| 3. | In the third chapter , we analyzed the second harmonic generation ( shg ) in theory just like the second chapter and get diffe rent results in different conditions
在本文第三章，如同第二章讨论，对倍频( shg )调谐特性也作了理论计算分析，得到了在各种条件下的不同结果。 |
| 4. | Taking the second harmonic generation of gaussian beam in a kdp crystal of type matching for example , the effects of diffraction and walkoff on doubling conversion efficiency have been worked out
以类匹配kdp晶体中高斯光束的二倍频为例，对衍射和离散两种因素对二次谐波转换效率的影响进行了数值模拟计算。 |
| 5. | 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 )
目前， ktp已作为一种商业化的晶体广泛应用于中小功率固体激光器的倍频( shg ) 、和(差)频、光参量振荡( opo )和放大( opa )等。 |
| 6. | We have carried out thoroughly theoretical investigation of the conversion efficiency and the field distribution of the second harmonic generation ( shg ) and the third harmonic generation ( thg ) on the flattened gaussian beam
本文围绕着河北省教委基金项目，对平顶高斯光束用于倍频和混频的转换效率以及变频后的谐波场分布进行了理论研究。 |
| 7. | The experimental results are fit well with theoretical calculation . 4 . reviewing different methods for constructing optical superlattice . parameters are designed for constructing ppln used for the second harmonic generation of 1064nm pumping wave
晶体，声光调q获得1064urn脉冲输出，泵浦多周期的ppln opo ，获得可调谐信号光输出，实验结果与理论计算相吻合。 |
| 8. | We got the pl spectrum of zno nanowires using an 806nm fs laser act excited source based nonlinear optical process . the results showed the second harmonic generation ( shg ) phenomenon besides the exciton - exciton collision peak at 388nm , at
实验中除388nm处的激子-激子碰撞峰之外,还观测到了二次谐波产生( shg )现象,另外在515nm附近观测到了由氧空位造成的绿光发射峰。 |
| 9. | The phase matching and group velocity matching conditions of type - i and type - ii second harmonic generation ( shg ) are obtained according to the momentum and energy conservation laws . the group velocity delay of ultrashort pulse shg on clbo and the crystal length decided by the group velocity delay are analyzed and compared with bbo ' s
从动量守恒、能量守恒出发推导得出了超短脉冲倍频的类、类相位匹配和群速匹配条件，对clbo晶体用于超短脉冲倍频时的群速延迟以及由群速延迟决定的晶体长度进行了分析和数值模拟，并与bbo晶体进行了比较。 |
| 10. | Secondly , the nonlinear optical properties with pna molecule in different solvents are studied through using the polarized continuum model and few states approach on the base of time dependent density functional theory , and the first order nonlinear hyperpolarizabilities in second harmonic generation process are computed
然后在含时密度泛函理论基础上采用极化连续模型和少态方法研究了不同溶剂中pna分子的非线性光学性质，计算了二次谐波振荡过程的一阶非线性超极化率，并讨论了pna分子的非线性光学性质与溶剂极性之间的关系。 |
