Based on computer, laser modulation, fiber coupling and microlens focusing technology, fiber coupled laser diode array is researched.
采用计算机控制技术、激光器调制技术、光纤耦合技术、微透镜聚焦技术，研究了半导体激光器的线阵。
But in the harsh conditions, such as the becoming temperature in free space experiments, these two methods can not guarantee linear laser modulation, effects of poor communication.
但在温度等条件恶劣的自由空间实验中，这两种方法都不能保证激光线性调制，通信效果很差。
In modulation driving circuit, with the chip MAX3263, being the function of APC, there is standard PECL level interface to modulate laser modulation current and preset current neatly.
在调制驱动电路中，采用MAX3263芯片，具备标准的PECL电平接口，可以灵活地调整激光器的预置电流和调制电流，并具备自动功率控制功能。
The modulation bandwidth and the relaxation oscillation frequencies of the laser are quite different at different injection powers and wavelengths.
发现在不同的注入光强度和波长下，激光器的调制带宽和弛豫振荡峰频率会发生变化。
The laser driver optimizes the characteristics of data streams and provides the adequate modulation current to the laser.
雷射驱动器将资料流的波形特性最佳化，并且提供适当的调变电流给雷射。
The laser pulse modulation system consists of cavity dumper driver, matching net and acoustooptic energy convertor.
超短脉冲激光调制系统包括腔倒空驱动器、匹配网络和声光换能器。
Laser interferometer and grating of modulation light are used in the measuring system and the measuring data is processed by microcomputer.
该装置的测量系统采用了激光干涉仪和光调制光栅，并由微型机进行数据处理。
Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.
该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中，控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
Since atmosphere signal path has a great influence on the laser atmosphere communication quality, a Photo-electrical PPM Polarization Modulation system is designed.
针对大气信道对大气激光通信的质量有很大影响，设计了一种光电复合的光ppm偏振调制硬件系统。
The laser source was modulated by the modulation circuit, so that the fluorescence signal was modulated.
信号调制电路通过对传感器系统的激光光源进行调制来调制荧光信号。
Pulse Position Modulation (PPM) is one of key technologies for laser communication in Atmosphere, which can reduces the output power of the laser and increases communication distance.
脉冲位置调制(PPM)是大气激光通信的关键技术之一，可以减少激光器的发射功率，增加通信距离。
A method combining pseudorandom modulation of the fiber laser and single-photon counting is proposed to realize a high spatial resolution for the space-borne laser altimeter.
为使星载激光高度计实现高空间分辨率，提出了一种联合采用伪随机码调制光纤激光器和单光子计数的测距方法。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
Multilevel laser power modulation is a key technology in multilevel optical data storage systems based on photochromism.
多阶激光功率调制是光致变色多阶光数据存储的一项核心技术。
The optimal operating condition of gain switched semiconductor laser with different modulation rate is studied in this paper.
研究了不同调制速率下的增益开关半导体激光器的最佳工作状态。
The regulation for ultrasonic modulation of laser pulse spikes and the influence of modulation on drilling are studied.
对激光脉冲尖峰超声调制的一些规律及对打孔的影响进行了研究。
The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.
该激光脉冲调制系统已经应用在皮秒时间相关单光子计数光谱仪系统中，取得了比较理想的效果。
The immune modulation effect is one of the main contents of biomodulation effects of low energy laser irradiation(LELI).
低能量激光照射免疫学调节效应是其生物学调节效应的重要内容之一。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移和速度的理论模型。
The influence of bias current and modulation frequency on chaos dynamics of vertical-cavity surface-emitting laser (VCSEL) subject to direct current modulation is investigated by numerical simulation.
利用数值模拟的方法研究了电流调制下偏置电流和调制频率对垂直腔面发射半导体激光器(VCSEL)混沌动力学特性的影响。
The intracavity modulation of laser have more merit than extracavity modulation, and can be used in future wide - band optical communication.
激光器的腔内调制与腔外调制相比有许多独特的优点，因而可望在未来的宽带光通信中得到应用。
The parasitic capacitance of the high speed laser is one of those factors which affect the modulation bandwidth.
高速激光器的寄生电容是影响其调制带宽的因素之一。
Chaotic laser synchronization is mainly limited by cross phase modulation in the fiber and the propagation nonlinear phase shift is educed.
证明了光纤的交叉相位调制是限制激光混沌在光纤传输中同步的主要原因，导出了系统传输的非线性相移。
The highspeed transceiver including semiconductor laser driving modulation circuit and photoelectric diode detective circuit are designed and realized.
设计并实现了高速半导体激光器调制驱动电路和光电二极管直接检测电路的收发合一模块。
In this paper, a type of visible laser driver with numerically controlled power and modulation monitoring the average light power is presented.
介绍了一种监测平均光功率的数控功率和调制的可视激光驱动器。
And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavefront of the laser beam with phase modulation and amplitude fluctuation.
而且，利用双狭缝滤波和“交叉滤波”技术能够提取出具有位相调制或者是具有振幅起伏的近场波面。
Optical modulation and demodulation implementation scheme in mobile atmospheric laser communication system are designed.
论文设计了移动大气激光通信系统中的光信号调制解调的实现方案。
An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。
Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper.
采用光波的衍射积分理论，对具有波纹调制激光束的准聚焦特性进行了理论分析。
The modulation properties of an injection-locked semiconductor laser are discussed. The expressions for power responses and the dynamic frequency shifts of the laser are prented.
本文讨论了注入锁定半导体激光器的调制特性，给出了功罕响应和动态频率飘移的表达式。
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