查询词典 laser disk

First the traditional non-optical detection technology for gas concentrations is briefly introduced, such as ultra-sound technology, gas sensing, catalytic thermal, gas chromatography, interferometry applications, and then the spectral analysis based on the concentration of gas detection is discussed. The latest technological developments on the differential absorption spectroscopy, Fourier transform infrared spectroscopy, tunable laser diode laser absorption spectroscopy, laser radar and differential absorption Raman scattering laser radar, laser-induced fluorescence spectroscopy, laser Photoacoustic Spectroscopy are reviewed in detail.

首先对传统的非光学气体浓度检测技术作出了简单的介绍，包括超声波技术、气敏法、热催化法、气相色谱法、干涉法应用技术，被动检气管法，然后重点阐述了基于光谱学分析气体浓度检测技术的最新发展动态，其中分别对差分吸收光谱技术、傅里叶变换红外光谱技术、可调谐激光二极管激光吸收光谱技术、差分吸收激光雷达和拉曼散射激光雷达、激光诱导荧光光谱技术、激光光声光谱技术进行了详细介绍，最后提出了现代气体浓度检测技术的发展方向。

Hongsheng specializing in the production of decorative materials such as: special silver, black, silver pieces, small horizontal line, gold line, gold pieces, 1 / 4 gold box, gold line spectrum, Silverstrand spectrum, gray gold stripes, black gold stripes , pearl white, pearl black, pearl light gray, dark gray pearl, red laser wire, white wire laser, laser transparent silk, gray silk laser, laser dark gray silk, silk blue laser, red wood, silver gray in stripes, blue silver box and so on.

鸿盛专业生产装饰材料如：银特，黑皮，银碎，小横线，金横线，金碎，1/4金方格，金线谱，银线谱，灰金条纹，黑金条纹，珠光白，珠光黑，珠光浅灰，珠光深灰，红镭射丝，白镭射丝，透明镭射丝，灰镭射丝，深灰镭射丝，兰镭射丝，红木纹，银灰中条纹，兰银方块等等。

Poly decade refining production applications rich practical experience, independent research and a series of laser processing equipment, further re-processing base in actual production Strict testing, continuous improvement, and ultimately the formation of "laser" brand laser cutting board production equipment Products: laser knife mold cutting machine, laser plotter, laser proofer, computer automatically machetes, and other cutting board production related equipment.

聚十年之生产應用所提煉的丰富实践经验，自主研制出系列激光加工设备，再经加工基地的严格实际生产檢驗，不断完善，最终形成"嘉洛激光"品牌的激光模切板制作设备系列产品：激光刀模切割机、激光绘图机、激光打样机、電腦自动弯刀机及其它模切板制作相关设备。

Studies on basic working principles and designs of fiber lasersThe basic working principles as well as the major characteristics of laser and fiber lasers are firstly reviewed,including the interaction between light and matter, the laser oscillation conditions and the spectrum distribution,the gain characteristic and spatial hole burning effect,the influence of external environment on the stability of laser output and the actual limits of fiber laser bandwidth;The designs of bidirectional single-mode Er-doped fiber ring laser and multi-wavelength laser is then discussed,respectively;The characteristics of dynamic grating reflection spectrum of the fiber saturable absorber is systematically analyzed.?

在激光型光纤传感器的设计、实验现象的理论解释等方面做了如下的研究工作：光纤激光器的基本原理与设计方案概述了激光和光纤激光器的基本原理，包括光与物质的相互作用，激光振荡的条件及频谱分布等激光产生的基本原理：掺铒光纤的增益性质，空间烧孔效应和外界扰动对激光输出稳定性的影响，光纤激光器的实际极限带宽等光纤激光器的相关知识；分别讨论了双向单纵模环形腔激光器和多波长激光器的设计方案；系统地分析了掺杂光纤饱和吸收体中形成的动态光栅的反射谱特性。

Main products of Sunic Photoelectricity: Laser marking machine, Pneumatic marking machine,Laser cutting machine,Laser engraving machine,Laser scribing machine,Laser snick machine,Full sets of solar equipment series etc up to 30 kinds of products. they are widely applied in the fields of solar energy,aero-space and electron, spare parts of automobile, hardware, food and medicine, medical instrument, advertisement and clothes, printing and packing, arts and crafts and so on.. Among them, YAG laser scribing machine have supply the gap in China and substitutes the imported goods, it has taken up more than 85% market share in China and has been appointed the product of foreign-aid project of CCPIT (China Council for the Promotion of International Trade).

三工光电主要产品：激光打标机系列、气动打标机系列、激光切割机系列、激光雕刻机系列、激光划片机系列、激光刻膜机系列、太阳能成套设备等三十多种产品，广泛应用于太阳能、电子元器件、汽车摩托车零配件、航空航天、五金机械、工具量具刃具、水暖洁具、食品医药、医疗器械、化妆品、印章、广告、皮革服装、印刷、包装、装潢、工艺品等领域。

The research which is the important part of the tunable erbium-doped fiber laser is composed of two main parts: 1. the gain part of the tunable erbium-doped fiber laser, which in fact is an erbium-doped fiber amplifier, its output characteristics are discussed both in theory and experiment, and the differences are also discussed between theory and experiment; 2. the saturated absorber part of the tunable erbium-doped fiber laser, also the part to narrow the line width of the fiber laser. The line-width narrowing mechanism in fiber laser induced by unpumped Er-doped fiber is presented from the aspect of coupling wave equation, and the main factor is considered as the standing wave induced by interference. The line-width is narrower when the standing wave is stronger, and the narrowing effect disappears with the disappearance of the standing wave. In the experiment, when adding a Faraday mirror in the laser cavity to remove the standing wave , the narrowing effect disappears. So the theory is proved by the result of the experiment.

本课题的研究内容是集成光学声光可调谐掺铒光纤激光器的重要组成部分，主要分两部分：1、声光可调谐掺铒光纤激光器中增益部分的研究，相当于对掺铒光纤放大器的研究，理论上对掺铒光纤放大器的输出特性进行分析，实验上实现了掺铒光纤放大器系统，并将实验数据与理论计算数据进行对比，分析了误差产生原因；2、声光可调谐掺铒光纤激光器中饱和吸收体部分的研究，即压窄光纤激光器输出线宽的研究，从耦合波方程出发，理论上解释了未泵浦掺铒光纤压窄光纤激光器线宽的原理，分析了影响该作用的主要因素是未泵浦掺铒光纤中相对传输的光干涉形成的驻波：驻波越强，压窄效果越好，相反当没有驻波时，没有压窄效果，在实验上通过在激光器腔内加入法拉第旋转镜使驻波消失，同时压窄效果消失，从而验证了理论分析的正确性。

And a number of national patents, research and development of laser marking machine, laser engraving machine, laser eyebrow washing machines, Photorejuvenation machine, laser therapy instrument, pneumatic marking machine, plate embossing machines and other products, and laser components Products , such as krypton lamps, xenon lamps, CO2 laser tube, optical lenses and other series.

并获得多项国家专利，研制开发的激光标记机、激光雕刻机、激光洗眉机、光子嫩肤机、激光治疗仪、气动标记机、标牌压印机等系列产品，和激光元器件产品，如氪灯，氙灯，CO2激光管，光学镜片等系列。

Firstly, we propose solid-state continue-wave laser to crystallized poly-Si films, the distinction of excimer laser, CW-laser possessed high stability, reliability, durable and low-cost. In this way, we used laser scanning speed and energy to analysis a status of grain lateral growth and crystallizes mechanism for various condition, furthermore, we succeed to crystallize great grain size more than 10 μm. To compare excimer laser crystallization and Sequential lateral solidification, CW-laser don't needed extra procedure to carrier out large grain size.

首先，吾人提出有别於传统准分子雷射结晶技术的固态连续波雷射横向再结晶技术，固态连续波雷射具有高稳定的特性且相较於准分子雷射具有可靠、耐用、价廉且维护成本低的优点，在此我们利用不同的扫描速度与雷射能量，分析出在不同条件下的横向结晶状态与其成长机制，并且成功的成长出大於10 μm的晶粒大小，相较於准分子雷射结晶与循序性侧向结晶，固态连续波雷射不需额外的步骤即可达成大晶粒成长。

The results are introduced in this paper. Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency.

结果表明：激光辐照Au盘靶时，在聚焦条件下背向散射能量约占打靶激光能量的7.8%；在束匀滑条件下背向散射能量份额下降到6.2%左右，证明了束匀滑可有效抑制背向散射。

Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency.

在聚焦条件下背向散射能量约占打靶激光能量的7.8％；在束匀滑条件下背向散射能量份额下降到6.2％左右，证明了束匀滑可有效抑制背向散射。

But Severus escaped the hands of those that Julianus had sent to murder him and sent a letter to the praetorian guard, giving them the signal either to desert Julianus or to kill him.

赛维鲁总算逃过了尤利阿努斯派来的杀手，并写了一封信给罗马的禁卫军，向他们发出信号，要么抛弃尤利阿努斯，要么干掉他。他们立即服从了。

This text is in terms of this of " human nature ", it is under the influence of western literature human nature thought to probe into, awakening in human nature of novel works and all sorts of limitations that affectionate The school of Mandarin Duck and butterfly.

本文便是从"人性"这一角度，探讨在西方文学人性思想的影响下，清末民初鸳鸯蝴蝶派的言情、哀情小说作品在人性方面的觉醒与种种局限。