| 1. | What ' s more , there were elementary experiments on bibo , the new frequency doubler 此外,对新型的倍频晶体bibo也进行了一些初步的实验。 |
| 2. | The theory research on the location of a frequency doubling crystal in a double - pass intracavity frequency doubling laser 双程腔内倍频激光器的谐波晶体腔内位置的理论研究 |
| 3. | At last , according to the upper result of simulations and designs , we designed and fabricated the frequency doubler - power amplifier sets of ka - band 最后,我们根据以上的仿真和设计结果设计和制作了ka波段倍频放大组件。 |
| 4. | This thesis mainly focuses on the generation of blue light by utilizing the external frequency doubling with knbo3 . following is about the contents . 1 其主要内容如下: ( 1 )从理论上分析了knbo _ 3晶体外腔谐振倍频的产生原理。 |
| 5. | But the large wall - off angle ( about 3 . 70 ) and small acceptance angle ( about 0 . 35 mrad ) are the problems in the process of frequency doubling 但基于离散角大(约为3 . 711 ) 、接受角度又小(约0 . 35mrad ) ,所以会给倍频过程调节带来了一定的难度。 |
| 6. | The characteristics of different nonlinear crystals for frequency - doubled nd : yag 946 nm laser have been compared , a biaxial crystal , lbo , has been chosen for frequency doubling in our experiment 给出了几种晶体用于946nm倍频时它们倍频特性比较,为优化选择倍频晶体提供了依据。 |
| 7. | The dissertation is mainly on the theory and design of the frequency doubler - power amplifier sets of ka - band . in the passive circuit , we analyzed the characteristic of microstrip and coupled microstrip 在无源电路部分,我们首先对微带线、耦合微带线的传输特性和微带-波导过渡的基本原理进行了分析。 |
| 8. | Among these , some cr4 + - doped crystals have the character of polarized absorb , and can obtain the linear polarized output pulse laser without any polarizer . it ' s a very good character for intracavity frequency doubling 其中有的含cr离子晶体还具有偏振方向选择的吸收特性,不加任何偏振元件即可输出线偏振的脉冲激光,这对于腔内倍频是一个非常好的特性。 |
| 9. | The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " " . the model has the advantages of low cost , small size and high reliability 实验结果表明,倍频放大组件能够为lmds毫米波前端提供很好的本振源,并且具有成本低、体积小、可靠性高等优点。 |
| 10. | In the experiments , the phenomenon of the fringe frequency doubled we observed , ha hind that the resolution of the optical feedback system we doubled and the sensitivity of din optical feedback system we also improved after the modes competition between both the polarized light beams 结果表明,光回馈系统分辨率提高了1倍,同时利用双频激光器两垂直偏振光间的模竞争,使得倍频条纹的调制幅度明显增大,从而使得光回馈系统的灵敏度大大提高。 |