调制激光 meaning in English
modulated laser
Examples
- Quasi - focused characteristics of laser beam with waviness modulation
具有波纹调制激光光束的准聚焦特性 - Fibre optic active components and devices - package and interface standards - part 11 : 14 - pin modulator - integrated laser diode transmitters
纤维光学有源元件及器件.包装和接口标准.第11部分: 14针整体调制激光二极管传输器 - We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr , discuss the ptr ' s signal ' s frequency characteristic , and a method for measuring thermal diffusivity of opaque materials is introduced . then , we study on anisotropic materials " thermal conductivity , the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr , and is proved by the experiment
从光热辐射理论出发，推导出一维情况下ptr信号的振幅和位相表达式，讨论了光热信号的频率特性，介绍了一种用ptr技术测量不透明材料热扩散系数的优化方法；接着研究分析了各向异性介质受调制激光束辐照下产生的光热信号，在理论上推导出各向异性介质的温度场以及热导率张量并给予一定的实验验证。 - The wakefield excited by an ultrashort and ultrahigh laser pulse propagating through tenuous plasma can accelerate electrons to extreme high energy . this can be used as a mechanism to design minitype electron accelerator . this thesis is devoted to studying those issues relevant to the wakefield accelerator , namely the laser wakefield accelerator ( lwfa ) , laser wakefield accelerator driven by multiple pulses ( mp - lwfa ) , plasma beat wave accel - erator ( pbwa ) and self - modulated laser wakefield accelerator ( sm - lwfa )
本文的目的是：利用粒子模拟方法，研究和比较激光尾流场加速电子的四种主要方案：短脉冲激光尾流场加速( lwfa ) 、多脉冲激光尾流场加速( mp - lwfa ) 、拍频束尾流场加速( pbwa ) 、自调制激光尾流场加速( sm - lwfa ) 。 - In order to improve the existing pr adaptive optical heterodyne detection system ( praohds ) , a new praohds is proposed based on sppc and mppc coexistence . the experimental study of the system is completed by equal amplitude ar + laser beams , poorly coherent equal amplitude solid - state laser beams and high speed amplitude - modulated solid - state laser beams through distorting media . experimental results indicate that the new system is applicable
为了改进现有的光折变自适应光外差探测系统( praohds ) ，本文利用sppc和mppc同时共存的特性，提出了一种新型的praohds ，并利用ar ~ +等幅激光、相干性较差的固体等幅激光以及固体高速振幅调制激光对新系统进行了畸变光束的自适应光外差探测实验研究，结果证明了新系统在实际应用中的可行性。