1)  expander
扩束镜
1.
Through combining expander with focusing lens, a Q-switch YAG laser whosepeak power exceeds 200KW is coupled into an optical fiber and the laser beam emitted from anoutput end of the fibre is focused with two lenses.
利用扩束镜和聚焦透镜的组合,把峰值功率高达二百多千瓦的调QYAG激光耦合到光纤中,并用双透镜将光纤输出端的出射激光聚焦,成功地应用在光纤传输激光雕刻机中。
2)  extender lens amplification imaging method
扩束镜放大成像法
1.
Two kind of simple methods,which are termed of extender lens amplification imaging method and convex lens amplification imaging method,are proposed based on amplification principle in this paper.
文中提出了两种利用放大原理测量全息光栅光栅常数的简单方法:扩束镜放大成像法和凸透镜放大成像法。
3)  expanding device
扩束
1.
Based on the principle of Mie scattering theory,the different backward scattering powers of bubble-film in water with different laser expanding devices,the grads are approximately computed,and the rule of the powers is analyzed.
基于米氏散射理论,近似计算了扩束装置对水下气泡幕后向光散射功率的影响,并对距离求导,分析其变化规律;接着在不扩束,3倍扩束和8倍扩束的条件下进行实验,从实验结果中可以看到,采用3倍扩束装置时探测器的接收功率最大,而且对气泡幕距离变化非常敏感,能够增强水下气泡光探测效果。
4)  Beam expander
扩束器
1.
The four forms of beam expander with a two-mirror system are compared in this paper.
本文比较了两镜系统扩束器的四种形式,通过分析得到了用于消球差,慧差和象散的双抛物面扩束器可取任意遮拦比或放大倍率的结论,同时给出了这种系统的畸变系数与遮拦比α之间的关系。
2.
A Galilean beam expander with spherical lens is widely used in laser systems, but It has a lot of deficiency.
在激光系统中,伽里略球面透镜扩束器已得到广泛地应用,但是,它有许多不足之处。
5)  expanding of laser
激光扩束
6)  beam expander
扩束系统
1.
Design and testing of beam expander of 1.064μm wind lidar;
1.064μm测风激光雷达扩束系统的设计
2.
The paper introduced how to use aspherical lens in the design of varifocal beam expander system.
文章讨论了如何将二次旋转非球面透镜引入变焦扩束系统设计中 ,并给出了一个采用非球面透镜的变焦扩束系统的设计方案和参数。
3.
An adaptive beam expander to control the focusing characteristics of flying optics, was proposed and its operating principle and adjusting characteristics were analyzed.
提出了一种应用自适应扩束系统解决“飞行光束”聚焦特性的方法 ,分析了系统的工作原理及调节特性。
参考词条
补充资料:EM208型矿物微束分析透射电镜


EM208型矿物微束分析透射电镜


  呱EM208·····…… ..鞘麟翼:
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。