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Broad area semiconductor lasers with a new no-absorption window has been designed considering cavity degradation of devices, peak power output has increased by 46.5 percent for the new structural device, perpedicularity divergence angle is up to 21°, parallel divergence angle is up to 6.1°.

通过研究大功率半导体激光器腔面退化机理，借助AlxNy等应力膜设计制作了一种新型非吸收透明窗口结构的宽条形半导体激光器，使器件平均最大输出功率提高46.5%，垂直发散角达到21°，水平发散角达到6.1°，2000 h加速老化试验，其千小时退化速率小于0.091%。

When launched, Phoebus's projector is expected to be ten to 20 times more expensive than those that use a xenon lamp. But that, no doubt, will change as the cost of lasers drops.

一旦投入运转，菲柏斯生产的放映机费用预计比采用氙气灯的放映机高上十至二十倍，但毫无疑问会随着激光费用降低而降低。

With ordinary photocell s, one can pick up the frequency between two different lasers

用普通光电池，人们就能够深测到两个不同的激光之间的拍频。

The System of "Laser Digital Color Photofinishing" employ an exclusive laser exposure system based on solid-state red blue and green lasers, makes possible fast, high-quality digital exposures on long-lasting, silver-halide photographic paper. This system delivers extremely pure color reproductions, smooth gradations, superb sharpness, and many other advantages.

激光数码冲印系统，采用专门的固体红、绿、蓝激光器为光源的曝光系统，在可以长期保存的银赫相纸上进行高速高质量的数码曝光，具有极纯的颜色再现，平滑的灰度等级，极好的锐度等许多优点。

Novel polymer distributed feedback gratings are fabricated based on photopolymerization to reduce lasing threshold of polymer lasers.

基于光聚作用的新型聚合物分布反馈光栅被用于聚合物激光器中以降低激光阈值。

See all Physical Science articles Lasers show up in an amazing range of products and technologies.

看到所有物理科学的文章激光显示在一个了不起的各种产品和技术。

The applications of picosecond high-power diode-pumped solid state lasers in the field of biomedical imaging and material science were analyzed.

本文介绍了皮秒高功率半导体泵浦的固体激光器在生物成像和材料科学领域的应用。

Theoretical study on the compression of picosecond pulses generated in mode-locked lasers by cascaded quadratic process.

五、理论研究了利用级联二阶非线性过程对锁模激光器产生的皮秒脉冲进行压缩。

In order to study the output characteristics of diode-end-pumped Nd:YAP laser operating at 1341.4nm,the thermal focal lengths of end-pumped Nd:YAP laser were calculated and measured,and the output results of lasers with plane-plane and plano-concave resonators were compared respectively.

为了研究Nd：YAP晶体在LD端面抽运中的1341.4nm激光输出特性，采用理论计算和实验测量了实验系统的热焦距，对比了平平腔和平凹腔激光输出结果。

Two He-Ne lasers have been designed in experiment,one with simplest 2D axisymmetric folded-combined cavity that are composed of a concave-plano-concave folded cavity and a plano-concave cavity , and other with simplest 3D axisymmetric folded-combined cavity that are composed of two concave-plano-concave folded cavities and a plano-concave cavity.

本文实验设计了由一个凹-平-凹折迭腔与一个平凹腔组合的二维轴对称折迭-组合腔型He-Ne激光器及由两个凹-平-凹折迭腔与一个平凹腔组合的最简单立体轴对称折迭-组合腔型He-Ne激光器。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。