Control model of acousto-optic deflector based on radial basis function neural network;
基于径向基神经网络的声光偏转器控制模型研究
An acousto-optic deflector(AOD)driven by a beat frequency signal generated two overlap gratings inside the acousto-optic(AO)crystal and diffracted the incident laser beam into two first-order beams.
该系统利用拍频信号驱动声光偏转器,在声光晶体中形成两个重叠的光栅,光源发出的激光以布拉格角入射,形成两束一级衍射光,经透镜聚焦形成光强按正弦规律分布的结构光条纹。
Two-dimensional acousto-optic deflectors(AODs) are used to scan rapidly the femtosecond excitation laser.
系统采用二维声光偏转器快速扫描飞秒激发光束,能够以每点10μs的速度对特定的感兴趣区域进行跳跃式扫描,即随机扫描,使得有效的扫描速度大为提高。
Compensation of temporal dispersion for acousto-optical deflector scanning femtosecond laser;
声光偏转器扫描飞秒激光的时间色散补偿
The light spot distortion effect of femtosecond laser pulses propagating through an acousto-optical deflector(AOD) was analyzed.
分析了声光偏转器(acousto-optical deflector,AOD)对飞秒脉冲激光光斑的空间畸变效应。
The use of the acoustooptic-deflector is summarized according to its working mode.
从声光偏转器对光束产生偏转的原理进行了讨论,根据声光偏转器件的工作方式分别归纳和介绍了声光偏转器在各个领域的应用研究。
A collinear acoustooptic-deflector of pronton-exchanged LiNbO3 channel wave-guide is studied.
声光偏转器是集成光学频谱仪、可调谐滤波器、扫描仪、卷积器等光学器件的重要组件、声光偏转器可分为共线式和非共线式、块体型和波导型以及体波器件和表面波器件。
The use of the acoustooptic-deflector is summarized according to its working mode.
从声光偏转器对光束产生偏转的原理进行了讨论,根据声光偏转器件的工作方式分别归纳和介绍了声光偏转器在各个领域的应用研究。
The working principle of double cascade connected or parallel connected electro-optics deflectors used in the temporal-spatial transformation instrument is introduced and the ability to produce shaping laser pulse of it is theoretically analyzed.
介绍了在时空变换装置中用两个电光偏转器串接和并接的工作原理 ,从理论上分析了用其提高激光脉冲整形的能力 ,进行了激光脉冲削波实验 ,实验结果与理论分析一致。
Laser pulse is quickly deflected by LiNbO3 electro-optics deflector which is driven by avalanche transistor pile, thus a stable laser pulse output ( the pulse width is ns in scale) is gained, the instability of which is decreased from 10%(RMS) to 4%(RMS)compared with the single-longitudinal-mode Q-switched laser pulse output of the oscillator.
利用雪崩管堆驱动LiNbO_3电光偏转器对激光脉冲进行快速偏转,实现幅度稳定的纳秒整形激光脉冲;激光脉冲振幅不稳定度从振荡器输出的单纵模调Q激光脉冲的10％(RMS)降低到4％(RMS),大大改进了纳秒量级整形激光脉冲幅度稳定性。