激光器

The high efficiency and high power semiconductor laser with multi-active regions which are cascaded by reverse biased tunnel junction has a higher inner quantum efficiency which can larger than 1, so that it can output higher optical power at the same injected current compared with the normal lasers, meanwhile, it can be designed to large coupled optical cavity, so it will increase the limit of the electro-thermal destroy and the COD.

通过反向偏置隧道结将多个有源区级联起来的多有源区耦合大光腔高效大功率半导体激光器从理论上解决了传统激光器存在的问题，由于其内量子效率大于1，可以在相同电流下输出高的光功率，且可以制成耦合大光腔结构，增大了光腔面积，因此相对于传统激光器而言，其电热烧毁和COD水平都会提高。

The EDFL is structured by insertion of three different short passive subring cav it ies, which serve as mode filters, into the main cav it y, and it is combined w it h a fiber Bragg grating, the MRCs resonator can make SLM lasing.

这种激光器通过在主环形腔中插入充当模式滤波器的三个长度不等的无源次级环形腔，并结合腔内光纤布拉格光栅形成多环形腔掺铒光纤激光器结构，多环形谐振腔可保证激光器的单纵模输出。

Zn-diffused high power 650 nm AlGaInP/GaInP material with compressively strained multi-quantum-well active layer was fabricated. The zinc diffusion was used on the material facet in a sealed quartz tube. Photoluminescence spectra shows 175 meV blue-shift in the Zn diffusion area, which is transparent for 650 nm laser emission.

利用石英闭管法对金属有机化学气相沉积外延生长的应变量子阱650 nm AlGaInP/GaInP材料进行选择区域扩Zn，使扩Zn区域的光致发光谱的峰值蓝移达175 meV，形成对650 nm波长激光器的高透腔面，有益于减少激光器腔面光吸收，增加了激光器退化的光学灾变损伤阈值。

Firstly, this paper studies the significance of semicon- ductor laser and analyses the product actuality of semiconductor laser constant temperature controller in country and abroad. This paper provied installation of semiconductor module and the according of component choused.

首先，本文从研究半导体激光器恒温控制系统的意义出发，对国内外半导体激光器恒温控制器产品现状进行了分析，详细阐述了半导体激光器组件安装以及TEC、散热片等元件的选择依据。

M and 1. 12 ～1. 26μm, respectively. An equipment has been designed to make the three lasers operate. The equipment can be used in titanium sapphire and chromium－doped forsterite lasers for tuning over a larger range.

并设计了一个能利用同一装置方便地实现三种激光器的调谐运转；这一装置可以类似地应用于钛宝石激光器和掺铬镁橄榄石激光器中，实现范围更宽的可调谐激光输出。

The new model laser device appertains to one kind of the high-performance semiconductor laser device being called the quantum waterfall laser device.

新型激光器隶属于一种称为量子瀑布激光器的高性能半导体激光器。

A compact super-radiant optically pumped D2O gas Terahertz laser was developed, it consisted of pumping source, laser cavity, measurement and vacuum system, and the length of laser cavity could be changed in the range of 80-150cm.

实验研制了一种紧凑型工作腔长可变的超辐射光泵重水气体THz激光器系统，激光器系统由泵浦源TEA-CO2激光器、D2O气体分子THz激光工作腔、测量系统以及真空系统组成。

An external-cavity semiconductor laser was built by using a semiconductor laser, collimating cylindrical column lens for fast axis beam and a volume Bragg grating as a feedback element to get semiconductor lasers wavelength locked to the Bragg wavelength of the VBG.

用体布拉格光栅作为反馈元件与瓦级半导体激光器以及快轴准直柱透镜构成一个可以将半导体激光器的工作波长稳定在体布拉格光栅布拉格波长处的外腔激光器。

Since fiber lasers have significant advantages comparing with other's solid lasers in size,weight and heat dissipation,a method of fiber laser as a weapon is presented.

由于光纤激光器较之其他固体激光器在体积、重量、散热等方面有明显的优势，故提出了一种实现武器级光纤激光器的方法。

Far-infrared interferometer is widely used for diagnosing plasma electron density in tokamaks. The study of Sub-millimeter lasers has become more and more important as the light source of the interferometer. The DCN laser has the highest specific output power among known sub-millimeter electric-discharge lasers. In this M.

远红外激光干涉仪已经成为高温等离子体诊断技术中的常规装置，而作为干涉仪光源的远红外激光器是不可缺少的一个研究对象，在所有用直流辉光放电激励的激光器中，DCN激光器的输出功率是最大的。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。