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Laser focusing system in laser-microbeam[J]. 引用该论文朱延彬;马俊富.
Through discussing physical mechanism of optical breakdown in air caused by high power laser and ionization,the formula of free electron density in laser focus regime was attained. 通过对高功率激光空气击穿的物理机理、电离机制的讨论,得到空气击穿过程中激光焦区内自由电子密度公式。
Through discussing physical mechanism of optical breakdown in air caused by high power laser and ionization, the formula of free electron density in laser focus regime was attained. 摘要通过对高功率激光空气击穿的物理机理、电离机制的讨论，得到空气击穿过程中激光焦区内自由电子密度公式。
Study on method of detecting laser focus 激光切割中的焦点位置检测方法研究
Varying defocusing distance the influence of the relative intensity and spectral structure in various laser focusing distances from the target is studied. 采用改变离焦量的方法，研究了离焦量的变化对谱线结构及谱线强度的影响；
Design and Implementation of Thrice Reflecting Laser Focus System 三次反射激光聚焦系统的设计与实现
Open laser focus auto-tracking system based on universal motion controller 基于运动控制器的开放式激光焦点位置控制系统
Keywords Laser focus;photoactive glass;Laser inter-engrave;Heat-treatment; 激光聚焦;光敏玻璃;激光内雕;热处理;
We study the feasibility for the relativistic electron beam (REB) realizing fast ignition in the hot plasma produced by multi-path lasers focusing on the target. 然后，在此基础上研究了相对论性超热电子束(REB)在多路激光打靶产生高温等离子体中的DT核实施快点火的可行性。
Design and analysis on laser focusing system 激光聚焦系统的设计分析
So how does the laser pickup system stay on track and in focus? 那么，激光拾取系统如何聚焦并实现轨道跟踪呢?
On the Relationship Between Target Ubiety Relative to Laser Focus and Yielded Shape in Excimer Laser Direct Micro-fabrication 准分子激光直写加工形状与离焦量关系的研究
There is no single laser fit for all purposes. 没有单一种激光器能适用于各种用途。
How does a laser beam vaporize steel? 激光束是怎样使钢气化的?
Laser beams are also used in surgery. 激光束还可用于外科手术。
Laser beams may cauterize and heal ulcers. 激光束可以烧灼和愈合溃疡。
He monopolizes the laser printer. 他独占了这台激光打印机。
A laser is a device composed a special material. 激光器这种器件是用特殊材料制成的。
The laser jet printer is out of order. 这台激光打印机不能正常工作了。
On a lazy laser raiser lies a laser ray eraser. 在一个懒惰的激光器上放了一个激光消除器。