| 1. | The reason for the differences in the spectral purity with regard to longitudinal mode content of the lasers is still not clear .
关于这种激光器中，造成纵模成分的纯度有差别的原因，现在仍不清楚。 |
| 2. | Lcl : longituchinal conrorsion loss
纵模变换损耗 |
| 3. | Single longitudinal mode laser
单纵模激光器 |
| 4. | The prerequisite of actively mode - locked fiber laser stable work is that the modulation signal frequency must be the integral multiple to the cavity resonance frequency
主动锁模光纤激光器稳定工作的前提条件之一是调制信号频率应为腔内纵模间隔的整数倍。 |
| 5. | The laser give out 10 . 7mw green light , pumped 900mw . we observed it for 40 hours , the noise of green power is lower than 1 % . we optimized the laser cavity later
激光器工作在相互平行的多纵模模式下，在900mw的泵浦输入功率下得到倍频光功率为10 . 7mw ， 40小时连续输出光功率噪声1 。 |
| 6. | This paper introduces the development of fiber - optic mach - zehnder interferometer during measuring linewidth parameter of single - frequency lasers , and the experiment result has been given
摘要介绍了作者在测量单纵模激光器线宽参数的过程中，研制的马赫曾德尔光纤干涉仪，并给出了实验结果。 |
| 7. | It is discoverde that with a looped feedback circuit , the dds acousto - optic mode locking has the function of tracking the frequency interval of the laser resonator longitudinal mode , and stabilizing the quality of the laser beams
Dds声光锁模器在增加闭环反馈环路后，可以跟踪激光谐振腔纵模频率间隔变化，稳定激光光束输出质量。 |
| 8. | Two - segment distributed feedback ( dfb ) semiconductor lasers can achieve tuning with single longitudinal mode in a certain wavelength range ; at the same time , its superiority also includes bistablity and wavelength conversion
其中，两段式分布反馈( distributedfeedback ， dfb )半导体激光器可以在一定波长范围内实现单纵模、可调谐工作；同时，它还具有双稳、波长转换等功能。 |
| 9. | The subject mainly studies the splitting phenomena of laser longitudinal mode and the transmitted resonant mode of fabry - perot etalon using electrically controlled birefringence of liquid crystal , so as to find a new approach to obtain the dual - frequency laser output
本论文主要研究利用液晶的电控双折射效应分裂nd ： yag激光纵模和f - p标准具谐振模，以寻求产生双频激光输出的新途径。 |
| 10. | Therefore , the frequency - stabilised double longitudinal modes with thermoregulation were adopted . this method was realised by winding wire with high electrical resistance on to the neck of laser tube . heating was controlled by self - organised fuzzy control method
为此，提出了增加有缠绕于激光管颈上的电阻丝辅助加热控制环节的自四川大学博一l :学位论文组织模糊控制双纵模热稳频方法。 |
