Research on linear scale acoustooptic modulation driving source;
一种线性声光调制驱动电源的研制
In this system,more Doppler signals are received and more space resolving power are achieved because of adopting Gaussian beams focus and lens with large diameter as well as acoustooptic modulation technology and lock-in amplifier used to improve SNR.
为了进一步提高地震检波器的指标 ,研究了激光多普勒测量方法和微弱信号检测技术等 ,设计出了一种LD做光源的差动式激光多普勒检波系统 ,此系统采用高斯光束聚焦、大口径透镜接收 ,能接收到很强的多普勒信号 ,并且具有高的空间分辨力 ,同时 ,采用声光调制技术及锁相放大技术 ,提高了信号的信噪比 ,其结构简单、紧凑 ,装调方便 ,光能利用率和空间分辨力高 ,可测频率范围为 0 。
The principal and design of a linear gray scale acoustooptic modulation driving source by linear compensation is introduced in this paper.
介绍一种线性灰度声光调制驱动电源的原理、设计及试验结果。
532nm green light produced by all-solid-state laser was used to carry on the experiments including acousto-optic diffraction angle and acousto-optic modulation and compared with that of 650nm red light.
利用LD泵浦全固态固体激光器产生的532nm绿光在SO2000型声光效应实验仪上进行了声光衍射角、声光调制的实验研究,并与650nm红光作了比较。
In this paper we use origin software to analyze the data,constructing picture and fitting the line of the data in Acousto-optic modulation experiment.
本文主要介绍Origin软件在声光调制实验中对实验数据的处理,作图以及对实验图像的分析与拟合,反映了Origin软件在复杂实验中强大的数据处理能力。
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。
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
A Laser Intensity-Stabilizing System with an AOM
采用声光调制技术的激光光强稳定系统
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
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
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
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
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
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。
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
reentrant acousto-optic light modulator
凹腔声-光学光调制器
Modulation-Free Laser Frequency Locking by AOM Shifted Cesium Sub-Doppler Spectra
声光偏频亚多普勒光谱无调制激光频率锁定
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
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
Influence of Self-Correlation Time on Intensity Correlation Function of the Single-Mode Laser;
调制噪声对单模激光光强相关函数的影响
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
Research on Nonlinear Phase Noise of Optical Phase Modulated System;
光相位调制通信系统中的非线性相位噪声研究