the optical configuration was designed and theoretically analyzed, it adopted two acoustooptic modulators to generate a beat frequency of 20 kHz, and direct comparison method of the amplitudes and phases between -%p-%-polarized and -%s-%-polarized signals to obtain the ellipsometric parameters.
给出了光学系统设计和理论分析,使用两个声光调制器产生20 kH z的差频,直接比较平行分量和垂直分量外差信号的幅值和相位,得到所需要的椭偏参数。
Two acoustooptic modulators were used to generate 20kHz beat frequency, so the resolution of phase measurement reached 0.
两个声光调制器产生20kHz的拍频,采用简单的直接比相方法即可获得优于0。
The paper presents a kind of minimization superlow loss acoustooptic modulator having Qmodulation and mode locking functions.
介绍同时具有调Ｑ、锁模功能的小型化超低损耗声光调制器，描述双功能调制器及驱动电源的原理、设计，给出了光束直径２。
A study of all-fiber acousto-optic modulator based on two-channel SAW
两通道声表面波全光纤声光调制器的研究
This paper introduces algorithm of computing digital grating based on acousto-optic modulator for 3D holographic imaging.
从全息成像角度出发 ,介绍了基于声光调制器的数字光栅的计算 ,提出了用小波变换的方法计算光栅的基本条纹 ,给出了条纹函数 ,实现了物理上可用的条纹模式 ,实验证明 ,该算法应用在数码光栅的计算上具有明显的优势和较强的鲁棒
Imput signal is externally modulated by acousto-optic modulator with acousto-optical effect of acousto-optic crystal .
声光调制器利用声光晶体的声光效应对输入信号进行外调制。
Adopting the y36° LiNbO3 as piezoelectric transducer and JGS1 as acousto-optic interacting medium, we developed an Acousto-optic modulator (AOM) in the color composition system.
利用铌酸锂晶体为压电换能器,熔石英为声光互作用介质,研制出调制速度为32MHz、工作频率为180MHz、渡越时间为15ns、用于RGB彩色合成中的的声光调制器,文中主要讨论和分析了Q参数与调制器中心工作频率、换能器长度的关系;讨论了R参数对衍射光束形状的影响及与衍射效率的关系,还讨论并确定了换能器最佳尺寸,经测试,高速率声光调制器衍射效率为47%,并测试了调制速度。
The characteristics of an acousto optical modulator (AOM) with cross talks among its diffracted beam are proposed and verified theoretically and experimentally.
提出并论证了混合型声光调制器衍射光的衍射级次混叠特性， 它使衍射光强中存在着驱动频率的谐波项， 此外入射光束的漂移将引起衍射光的频率漂移。
In order to develop the great capability of optical fiber, the multiple channel all fiber acousto optical modulator should be concerned.
从理论上研究了多通道全光纤声光调制器。
ELECTRO-OPTIC EFFECT IN PESO ACOUSTO-OPTIC MODULATOR
压电诱导型声光调制器中的电光效应
A study of all-fiber acousto-optic modulator based on two-channel SAW
两通道声表面波全光纤声光调制器的研究
Study on the Guided-wave Acousto-optic Modulator of Q-switched All-fiber Laser;
用于全光纤调Q激光器的波导声光调制器的研究
Theoretic Research and Experimental Development of New Type All-fiber Acoustic-optical Modulator;
新型全光纤声光调制器件的理论和实验研究
A Optic Design of the Matching Between Diode-Pumped Solid-State Laser(DPSSL)and Acousto-Optic Modulator(AOM)
二极管泵浦固体激光器与声光调制器的光学匹配设计
Model Building of Acousto-Optic Modulator and Design of Laser Power Control System for Laser Direct Writing;
声光调制器模型建立及激光直写光功率控制系统设计
Theoretical and Experimental Study on New Type High-speed Guided-wave Acousto-optic Modulator
新型高速波导声光调制器的理论和实验研究
The paper describes laser beam modulation and stabilizing system with an AOM.
主要论述了采用一个声光调制器同时实现激光光束调制与激光功率稳定的系统。
The Research of Transducer Bandwidth of AOM Placed in cavity and Drived with Triple-frequency Harmonic
利用三次谐波驱动的腔内声光调制器换能器带宽的研究
reentrant acousto-optic light modulator
凹腔声-光学光调制器
Fabrication and performance measurement of acoustical waveguide in acousto-optic tunable filter
声光可调谐滤波器中声波导的制作及性能测试
The Research of Driver and Characteristics of AOM of CO_2 Laser;
CO_2激光器声光调制驱动电源及其特性的研究
Study of High Peak Power Acousto-optical Q-switch Pulse Laser for Drilling;
打孔用高峰值功率声光调Q脉冲激光器的研制
collinear acoustooptic tunable filter
共线声光可调滤波器
The Theoritical Study and Experimental Fabrication of Acousto-Optic Tunable Filter;
声光可调谐滤波器的理论研究与实验制作
Research on the Characteristic Matrix and Sidelobe of Acousto-Optical Tunable Filter;
声光可调谐滤波器特性矩阵与旁瓣抑制的研究
Suppression of Sidelobe Levels for Acousto-Optic Tunable Filters Using Cascaded Single-Stage Acousto-Optic Tunable Filters
多级级联声光可调谐滤波器旁瓣的抑制
Suppression of sidelobe levels for acousto-optic tunable filters using cascaded three single-stage AOTFs
3级串联声光可调谐滤波器旁瓣抑制的研究