self-focusing beam

The variation of beam waist position, beam width and light power with injection current in GaAs-Al_XGa_ ( 1-X) As DH stripe-geometry lasers, and the relationship between the station-ary stability and transient self-sustained pulsation have been studied experimentally.

从实验上研究了GaAs-Al xGa（1-x）As DH条形激光器的稳态束腰、束宽和激光功率随电流变化的规律与瞬态自脉动的关系。

Studies of Induced Self Pumped Phase Conjugation by an Incoherent Beam in ( BaSr) TiO 3 Crystal

（BaSr）TiO3晶体光诱导自泵浦位相共轭的实验研究

Employing the self-consistent nonlinear theory, the wave beam interaction and the wave developing with time in the subnanosecond millimeter relativistic backward wave oscillator were theoretically analysised.

本论文采用自洽非线性理论，理论分析了相对论返波振荡器中注波互作用及亚纳秒电子束与波在微波器件中随时间的演变过程。

Self-adapting Scanning Beam Algorithm for Filling Core of Simple Polygon

自适应扫描线的简单多边形核填充算法

The self adjusting support comprises a rigid support connected with the reactor, and a support beam.

本实用新型包括与反应器连接的刚性支座和支撑梁.

The quality of a laser beam passed a disturbed thermal blooming cell is observed using self pumped phase conjugator ( SPPC) in the dynamic and stable state.

利用光折变晶体的自泵浦相位共轭器（SPPC），在稳态和动态条件下对通过扰动的热晕池的激光束质量进行观测。

The improved optical scanning system consisting of a beam expander, a galvanometric scanner with automatic self-calibra-tion and an f-theta lens can get a laser light spot with the diameter of 0.012 mm on the focal plane.

由扩束镜、高精度扫描振镜及f-θ透镜构成扫描系统，扫描面上的激光光斑直径达到0.012mm。

In this paper, the test particle core interaction model is used to study the beam transport problem of a space charge dominated beam in a one way self consistency by solving simultaneously the KV envelope and Hill ′ s equations in Hamilton dynamics.

本文采用束核－试验粒子模型，通过在哈密顿动力学系统中同时求解KV包络方程和Hil方程，单向自洽地研究了空间电荷控制的束流的传输问题。

The key part of sensor made of forking fiber beam and metal revolving rod with temperature self-compensation is specially designed.

利用分叉光纤束和特殊设计的金属温度自补偿旋转杆件作为传感器的核心元件。

The experiments of 8 full size cold-formed thin-walled C steel beam-to-column connections with self-drilling screws connecting.

8个足尺自攻螺钉连接的冷弯薄壁C型钢梁柱节点的试验。