| 1. | Computer simulation of a triode magnetron injection gun for 8mm third harmonic gyrotron 三次谐波回旋管双阳极电子枪计算机模拟 |
| 2. | With the third harmonic 355nm nd : yag laser as the exposal source , the lithography of su - 8 photoresist is studied 本文采用波长为355nm的三倍频nd : yag激光作为曝光光源,对su - 8光刻胶进行光刻研究。 |
| 3. | Brings out some new and different viewpoint on issues of transient and dynamic voltages for generator single phase fault as well as third harmonic fault protection . 在暂态过电压和三次谐波保护等问题上,提出了一些不同观点。 |
| 4. | The key point of structure design and accuracy analysis in precision mount which is needed in the procession to obtain second and third harmonics generation is introduced 介绍了实现倍频和混频过程所需的精密调整架的结构设计要点及其精度分析。 |
| 5. | The method for third harmonic generation of large - aperture high - power solid laser is described which is the second nonlinear effect of two cascade crystals in this paper 摘要叙述了大口径高功率固体激光器,利用两块级联晶体的二阶非线性效应,对激光输出进行谐波转换,实现三次谐波输出的方法。 |
| 6. | 3 . based on the simulation , a 8mm third harmonic complex cavity gyrotron with gradual transition , to which a permanent magnet system could be used , is designed and tested 三、在数值模拟研究的基础上,设计了用于永磁包装的8mm波段三次谐波渐变结构复合腔回旋管互作用腔体及有关工作参量,并进行了测试。 |
| 7. | 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。 |
| 8. | To ensure the beam quality reach the requirement of high efficiency third harmonic conversion and small focal spot size , the correction of wave - front aberration had to be considered in the design of high power solid - state laser facility 在高功率固体激光系统总体设计中,为了使光束质量满足高效率三倍频和小孔进腔打靶的要求,必须对激光的波前畸变进行校正。 |
| 9. | After a series of experiments , primary parameters of output are theoretically achivevd approximately gradually . its output , after second and third harmonic generation , will be appliedin great space ; and its function in the area of anti - laser and anti - ccd detection is not neglectable 输出激光经过二倍频、三倍频后,有极其广泛的应用空间;在激光对抗与反ccd探测方面,它的作用更不容忽视。 |
| 10. | The detail study on the interaction between the electron beam and standing wave of complex cavity gyrotron with gradual transition and gyroklystron has been done in this dissertation , supported by the pre - study important items " the study on 8mm third harmonic gyrotron with a permanent magnet system " and " the study on 8mm high power gyroklystron " . the main works of this dissertation are listed as following : 1 . the study on the rf distribution of the complex cavity with gradual transition is presented , in which the multi - modes coupling are taken into account 本论文就是结合该课题组的“九?五”重点项目“ 8mm三次谐波永磁包装回旋管技术的研究”及“十?五”重点项目“ 8mm高功率回旋速调管技术的研究” ,对以谐振腔为互作用高频系统的回旋脉塞器件中两种典型的器件? ?回旋振荡管及回旋速调管中电子注与驻波场的互作用进行了深入细致的探讨和研究,其中回旋振荡管采用的是渐变复合腔。 |