| 1. | Stray light inside multi - pass laser cavity of the sg - iii prototype module 多通放大器腔内杂散光 |
| 2. | Cylindrical laser cavity 圆柱形激光谐振腔 |
| 3. | Chapter three , optimal designing of high power single - frequency nd : yvo4 laser cavity 第三章:高功率单频nd : yvo _ 4激光器谐振腔的设计。 |
| 4. | According to the above theoretical analysis , a high power single - frequency nd : yvo4 laser cavity is designed 在本章中,根据理论分析的结果设计了高功率单频nd : yvo _ 4激光器的谐振腔。 |
| 5. | In this part , the development and prospect of laser diode end pumped solid - stats laser is briefly introduced chapter two : design and optimization of the laser cavity 对激光二极管端面泵浦的固体激光器目前的发展做一简单介绍。第二部分,腔型设计与优化。 |
| 6. | 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 。 |
| 7. | When a portion of light emitted from a laser source is reflected or scattered back into the laser cavity by an external target , the reflected light will mix with the light inside the cavity , causing a modulation of the laser output power 激光自混合效应是指激光器输出的光被外部物体反射或散射后,其中一部分光又反馈回激光器的谐振腔,反馈光携带了外部物体的信息。与腔内光相混合后,会调制激光器的输出,称为自混合效应。 |
| 8. | 2 . considering the energy level structure and the spectrum characteristics of yb3 + ion , we deduce the relationships between laser performances of yb3 + - doped double clad fiber laser and parameters of laser cavity from the steady state rate equations with a new model 2 .讨论了yb3 +离子的能级结构和光谱特性,并从稳态速率方程,结合谐振腔结构特点采用ido kelson和amos hardy的模型,给出了双包层光纤激光器的输出特性与激光器谐振腔结构参数的关系准解析表达式。 |
| 9. | Selective absorption of electromagnetic wave . adw employing gases which do n ' t absorb the laser energy can form a gas urtain " whose pressure of the two sides is equal to the low pressure of laser cavity and the ambient circumstance pressure respectively so it can isolate the higher pressure ambient air from entrancing into the laser cavity and maintain the hel ' s running normally 气动窗口利用对激光器输出波长没有任何吸收作用的特殊气体作为窗口工作介质,并根据气体动力学部分相关原理,能生成一个具有与激光腔低压和环境大气高压相匹配的压力梯度、并把激光器低压工作介质和外界大气相隔离的“气幕” ,从而保证高能激光器的正常工作。 |
| 10. | We firstly summarize the development of yb - doped fiber lasers , pumping methods and the applications of high - power fiber lasers . 2 . considering the scattering loss , we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations , numerically analysis the changes of laser performances , such as laser power with the parameters of laser cavity , including output mirror reflectivity , optimum length of double clad fiber 研究主要内容包括如下几个方面:一、首先对掺镱光纤及掺镱光纤激光器的发展状况、包层泵浦技术和高功率光纤激光器的应用等进行了综述;二、在前人对高功率双包层光纤激光器的理论基础上,在考虑了光纤散射损耗因子的情况对光纤激光器理论进行了推导,给出了准解析解,进一步完善了理论分析。 |