激光

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。

The model for calculating the stability of the resonator containing a laser rod with curvature ends was developed,which was based on the transfer matrix theory of Gauss beam. The results from the numerical simulations on some typical resonators indicate that the laser rod with curvature ends can expand the stable region of plano-plano,plano-concave and plano-convex cavity notability;despite the laser rod with curvature ends can improve the stability of above mentioned cavities,it costs the effective mode volume.

计算结果表明，对于几类典型的谐振腔如平平腔、平凹腔，球面端面激光棒可以显著的扩展强热聚焦作用下的稳定工作范围；球面端面激光棒在提高约束稳定性和热稳定性的同时，通常是以牺牲有效模式体积为代价的。

METHODS From February 1983 to March 2001, 265 patients with different types of body surface hemangioma were treated with prednisone in 94 cases, laser in 102 cases, and plastic surgery operation in 69 cases respectively.

1983年 2月～ 2 0 0 1年 3月，采用强的松、激光、整形手术等方法治疗不同类型的体表血管瘤 2 6 5例，其中强的松治疗组 94例，激光治疗组 10 2例，手术治疗组 6 9例。

The helicopter blade running elevation measurement is the kernel part of helicopter blade dynamic balance experimental platform system, also is the main part of this dissertation.

论文从国内外对旋翼共锥度的测量方法出发，对几种测量方法进行比较分析，最后确定采用激光测量的方法。对激光测量的测量原理和测量误差进行了分析，对系统关键参数进行了计算。

The Multi-channel FIR laser interferometer/polarimeter is one of the most effectual and promising tools for the density and internal magnetic field diagnosis and is used on HL-1M.

多道HCN激光干涉/偏振测量仪是远红外激光诊断中测量密度和内部磁场的最有效且最有应用前景的工具之一。

It was formed by repeated heating and cooling in polymer surface following the intensity distribution caused by interference of reflected surface electromagnetic wave and incoming polarized laser beam.

它首先是激光入射光与入射光在薄膜表面形成的扩散光之间的干涉现象，从而引起材料表面激光能量发生周期性的变化，在一定量的脉冲作用下，聚合物表面产生微波纹。

By thermally bonding the YAG crystal with 2 mm thick Nd∶YAG crystal,the Porro prism supplies multi-functions such as laser amplification,closuring the light path,polarization sensitivity to the 946 nm and so on.

直角棱镜由无掺杂的YAG晶体和2 mm厚的Nd∶YAG晶体热键合形成，可提供激光增益、光路闭合及对946 nm激光起偏等多种复合功能。角锥棱镜由熔融石英材料构成，在环形永磁铁作用下，提供法拉第旋转作用。

Can be used to cut and punch potsherd and silicon chips and so on; in the packing industry, it can be

在工艺美术和装饰行业，激光切割机可用于制作美术字，徽标等，在电子行业激光切割打孔机可用于切割陶

In the research, a Low noise, Wide frequency band, High speed Pre-Amplifier was made, and the dynamic range of the lidar was pressed using high speed multiplier and it give the lidar system better specification.

在激光雷达系统的研制过程中，解决了低噪声、宽频带、高速前放的研制，首次使用高速乘法器进行了动态范围压缩，改善了激光雷达系统的性能。

Recently this system was used as a pumping source for CO2 laser, and we have prelim...

今年又用它作为CO_2激光的泵浦源，在7.851的体积内初步获得360J的激光能量。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。