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Theory of a multimode semiconductor laser with optical feedback
- We discuss the derivation of multimode rate equations for the descr iption of a semiconductor laser with external cavity. We adopt a formulation where the complex field amplitudes are coupled to the nonlinear gains. For N lasing modes, this leads t
quganshe
- 针对远距离激光干涉成像中条纹的形成进行了研究。分析了成像所需条纹的特点,表明干涉条 纹成像系统的带宽决定于条纹的空间带宽。讨论了传统的迈克尔逊干涉仪结构在激光干涉成像中应用的不足 之处,并在迈克尔逊干涉仪的基础上,提出一种变形的光路结构,用于在远距离上形成圆对称环状干涉条纹,同 时报道了利用该变形结构在约50m的距离上观察到的条纹,表明了该光路结构的可行性 -Long-range laser interferometer for imaging the formation of
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- 经过二十余年的快速发展， 空间激光通信的研究重心逐渐从高精度ATP分系统向高速 率通信分系统转移 紧密跟踪空间激光通信的国际发展最新动态，从通信带宽和链路功率两个方面， 针对通信发射单元、接收单元和信道特性，分析了提高空间激光通信传输速率的技术难度与途径．分 别阐述了波长1 550 nm、基于EDFA 功放和前放技术，空间相干技术，光偏振复用技术．光波分复用 技术的基本原理、性能指标及关键技术，为高速率空间激光通信提供了技术参考-After more than 20 years
Rayleigh-Mie-lidar-
- 本文介绍了用来测量对流层温度垂直分布的基于高光谱分辨率雷达技术的瑞利-米激光雷达系统（激光是对人眼安全的355nm波长的紫外线）。在该系统中，用两个法布里-珀罗标准具滤波器对影响大气温度的两个瑞利信号进行过滤。这些滤波器放在瑞利散射频谱的同一侧，并带有双端口光学输出通道。这种配置对米氏散射能获得较高的抑制比以及合理的瑞利散射透光率。米氏信号用第三个位于激光频率中间位置的法布里-珀罗标准具滤波器进行检测。这三个滤波器的参数是经过数值计算优化了的。实验结果表明，对于这两个瑞利通道都能实现-45dB的
semiconductor
- 大功率半导体激光器二元光学消像散准直器件设计-High power semiconductor laser astigmatism binary optical collimating device design
laser-light-intensity-
- 这是一个激光光潜的MATLAB模拟程序，模拟的图片已经放到压缩包里面了。-This is a laser optical submarine MATLAB simulation program to simulate the image has been placed inside the cabinet.
Digital-Clock-Recovery-Algorithm-for-Optical-Cohe
- We propose a digital clock recovery algorithm and demonstrate its tolerance to at least 5GHz laser frequency mismatch in a 43Gb/s DP-RZ-QPSK receiver after 1200km transmission.- We propose a digital clock recovery algorithm and demonstrat
IEC62471-2006
- Photobiological safety of lamps and lamp systems - Part 2: Guidance on manufacturing requirements relating to non-laser optical radiation safety
00775319
- Simultaneous all-optical regeneration and wavelength conversion is demonstrated at 2.488 Gb/s for the first time in an integrated distributed feedback laser/semiconductor optical amplifier. After 93 km of standard fiber, a negative sensitivity
Laser-optics
- Laser optical Matlab auxiliary laser optical analysis and application, there are many very good matlab procedures.
鲍威尔棱镜
- 鲍威尔棱镜是一种光学划线棱镜，它使激光束通过后可以最优化地划成光密度均匀、稳定性好、直线性好的一条直线。鲍威尔棱镜划线优于柱面透镜的划线模式，能消除高斯光束的中心热点和褪色边缘分布。(Powell prism is an optical crossed prism, it can make the laser beam through a straight line optimization into light uniform density, good stability, good lin