A whole field testing technique base on pointwise analysis method of laser digital speckle has been presented. Speckle image was gathered by CCD and calculated by computer directly. Digital speckle array correlation method was used to improve its precision and practicability.
研究激光数字散斑逐点分析法对结构的全场检测，用CCD 直接采集散斑图并由计算机进行处理，并与数字阵列相关方法互相补充，增强了逐点法的精确性、实用性。4。
A set of laser measurement system of far-field spot based on detector array has been developed.
贾养育，任勐，吕鸿鹏，张海庄中国兵器工业第203研究所，陕西西安 710065；中国人民解放军63889部队，河南孟州 454750
The laser head comprises a laser diode linear array or column array as a pumping source, a coupling system, a rod-like laser gain medium and a thermal precipitator.
本发明包括：作为泵浦源的激光二极管线阵或列阵，耦合系统，棒状激光增益介质，以及热沉。
An output beam of the laser diode linear array or column array enters the rod-like laser gain medium directly or through the coupling system; the rod-like laser gain medium is cooled by the thermal precipitator through conduction and has no contact with optical elements; the thermal precipitator can carry out cooling by adopting water cooling, semiconductor coolers or air cooling, etc.
激光二极管线阵或列阵的输出光束直接或经耦合系统后，进入棒状激光增益介质，棒状激光增益介质由热沉通过传导进行冷却而不接触光学元件，热沉可采用水冷、半导体致冷器或风冷等进行冷却。
In the invention, an all-solid-state rod-like laser head is adopted; the pump light output by the laser diode linear array or column array is directly coupled or is radiated onto the rod-like laser gain medium via the coupling system; the gain medium is cooled by the thermal precipitator through conduction.
本发明采用一种全固态棒状激光头，激光二极管线阵或列阵输出的泵浦光直接耦合或经耦合系统入射到棒状激光增益介质上，增益介质由热沉通过传导进行冷却的，结构简单，可实现中、高功率，高光束质量的激光输出，也可以作为激光放大器使用。
In experiments, the image processing of optical spots fired on photograph by high power laser beams through a plate with hole array. The iteration formula group was deduced to apply in the experiments. Each center of intensitv of optical spots and relative shift were measured, and phase wavefront of high power laser was reconstructed in iteration.
实验中，对高功率激光束经过孔阵列相位传感器在像纸上烧蚀成的光斑阵列进行图像处理，测定各光斑光强中心及相对位移，再由理论分析得到实用的迭代算法公式，重构出高功率激光束波前。
Closed-loop laser fiber optic gyro; Reset-voltage; Temperature compensation; Field programmable gate array; Second closed loop
本文对全数字光纤陀螺的温度补偿方法进行了研究，采用温控电子控制回路和现场可编程逻辑门
A laser diode array with 1310nm is the light source that is converted to the parallel light by fiber collimator array. The light passes the liquid samples and the output signal from the samples is transferred to the light current by a photodetector array.
该方法以1310nm 的LD 阵列为光源，由LD 阵列发出的激光，经光纤束传至光纤准直器阵列上变成平行光束，对待测液体进行检测，检测到的光信号到达光电探测器阵列上转换成为光电流，完成检测工作。
In anther aspect, microlens array collimates the diverging light from a semiconductor laser with small far field radiation angles.
此外，还将衍射微透镜阵列与半导体激光器阵列进行了集成，以实现对半导体激光器的光束准直。
Analysis of transient temperature and thermal stress distribution in ring laser diode array pumped laser rod.
环形激光二极管抽运棒状激光器中瞬态温度和热应力分析。
Analyses of transient temperature and thermal stress distribution in ring laser diode array pumped laser rod.
环形激光二极管抽运棒状激光器中瞬态温度和热应力分析。
The design of rotational device of array detector makes it possible for measuring laser facula with high spatial resolution and low cost.
旋转系统本身的特性要求机械和电路设计采用特殊的结构以解决系统的稳定性。
The image of target was generated based on range information. Basic design parameters of the system including the number of array elements, the size of the image, the pulse repetition frequency and the peak power of linear diode laser array, were chosen based on the calculation of the element laser footprint size.
在对阵列单元激光脚印尺寸大小计算的基础上，确定了该探测系统的基本参数包括所需线阵元数、生成图像大小、半导体激光器阵列的脉冲重复频率和峰值功率等，为系统的工程实现提供了理论依据和设计指导。
Basic design parameters of the system including the number of array elements, the size of the image, the pulse repetition frequency and the peak power of linear diode laser array, were chosen based on the calculation of the element laser footprint size. The methods of choosing basic design parameters provide guideline for hardware realization of the system.
在对阵列单元激光脚印尺寸大小计算的基础上，确定了该探测系统的基本参数包括所需线阵元数、生成图像大小、半导体激光器阵列的脉冲重复频率和峰值功率等，为系统的工程实现提供了理论依据和设计指导。
A Central Wavelength 808nm near infrared laser array was used to illuminate a high resistivity silicon wafer through an optical mask which was actually the negative of a Fresnel Zone Plate to make it diffracted the incident MMW into a beam like a Fresnel Zone Plate.
利用中心波长808nm的近红外激光器阵列通过光学掩膜(菲涅尔波带板的照相底片)照射高电阻率的硅片，使硅片呈现出菲涅尔波带板的衍射特性实现对入射毫米波的聚焦。
A high-resolution flight time measurement system based on a single field programmable gate array in laser altimeter is designed.
设计了在激光测高系统中基于单芯片现场可编程门阵列的高精度时间间隔测量模块。
By means of a linear array CCD light-intensity distribution measuring system, via the variation of the frequency and the power of ultrasonic wave, the direction control and the intensity modulation for the laser beam can be carried out.
在实验中，应用线阵CCD光强分布测量仪等，通过改变超声波的频率和功率，分别实现了对激光束方向的控制和强度的调制；定量给出了声光偏转量的关系曲线和声光调制测量的关系曲线。
The first part, GaN-based vertical light-emitting diodes were fabricated by a laser lift-off process and the effects of micro lens formation by plasma etching on GaN-based VLED devices were investigated. By forming a 3, 5, 10, 15 and 20um micro lens array on the GaN-based VLEDs, the measured light emission intensities at 460nm and in the direction normal to the surface of the device increased 30%~15% compared with those of the GaN-based VLED without the micro lens array.
在第一部分，我们利用雷射剥离技术成功的制做出垂直式氮化镓发光二极体，并且在利用光阻溢流与乾式蚀刻将微米透镜阵列制作在元件的表面，微米透镜的尺寸为3、5、10、15、20微米，在量测的结果部分，在发光波长在460奈米下，垂直面的光增强了30%~15%相较於没有制作微米透阵列的垂直式氮化镓发光二极体。
A planar micro-lens array added a semi-column lens, a even index column lens, or directly burning a small ball at one end of the fiber and other practical linear array shaping methods had been used overseas and interiorly. These methods get some effect in the laser array coupling, but there is some deficiency at the same time.
国外已有采用平面微透镜阵列加半圆柱透镜，国内已有采用单根均匀折射率柱透镜、直接烧制光纤端面球透镜等几种实用化的线阵整形方式，这些方法对激光器阵列耦合、整形都有一定效果，同时也存在一定的不足之处。
Angle measuring system of laser based on array CCD［J］.
基于面阵CCD的激光角度测量系统的研究［J］。