| 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. | Second harmonic is generated by 532nm fundamental wave on clbo , and the harmonic pulse is plotted along with the clbo crystal length
以波长为532nm基波为例，数值模拟了经过不同长度的clbo晶体后谐波的脉冲波形，及脉冲宽度随晶体长度的变化。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | A high efficiency dual - band rf power amplifier has an output and / or input of a high frequency transistor well terminated at the second harmonic frequency for dual - band operation
本发明乃一种高效率双频射频功率放大器，提供高频电晶体的输出端与?或输入端于双频操作中有良好的二阶谐波终止。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | ( 3 ) the frequency may transit from the second harmonic oscillating frequency to the third one when the hot temperature is higher than the specific temperature and the pressure is higher than the specific pressure
在实验中发现，在一定的加热温度和工作压力下，系统的自激振荡的频率从第二谐振频率跳变到第三谐振频率。 |
| 9. | In the system , a tunable dioxide laser is used as a sensor source , and the method of wavelength modulated is adopted , then concentration of gas is determined through detecting the generated second harmonic by opto - electronics converter
用可调谐二极管激光作为传感光源，采用波长调制方法，通过对谐波信号进行光电探测可得气体浓度。 |
| 10. | 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。 |
