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yag
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  yag
     High Repetition-rates Nd:YAG Laser of Ce-doped Xenon tube pump
     掺铈氙灯泵浦的高重复频率Nd∶YAG激光器
短句来源
     Short-pulsed Nd:YAG laser microsurgery of the eye:biophysical considerations
     短脉冲Nd∶YAG激光对眼睛微外科手术的生理效应
短句来源
     411 Cases of Angioma,Verrucae and Nevi Treated with Nd:YAG Laser
     Nd~(3+)∶YAG激光治疗血管瘤,各种疣、痣及赘生物共411例疗效观察
短句来源
     The Physical Design of the Paramters of the Nd:YAG Disk Laser
     Nd∶YAG片状激光器的物理参数设计
短句来源
     Q-switched Nd:YAG Laser Iridotomy
     Q-开关Nd∶YAG 激光虹膜切除术
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  “∶yag”译为未确定词的双语例句
     The output power of 13.17W,13.26W and 8.43W is obtained inspectively using the three crystals of 1mm length in 25W pumping power,and the optimal transmission rate inspectively is 24%,44% and 16%.
     在25W泵浦功率下,利用1mm长的Nd∶GdVO4,Nd∶YVO4和Nd∶YAG晶体可分别得到13.17W,13.26W和8.43W的输出功率,相应的输出镜最佳透过率分别为24%,44%和16%。
短句来源
     The results of average power of 96mW,minimum pulse width (FWHM) of 8.8 ns,pulse repetition rate of 25 kHz,peak power of 436 W and pulse energy of 3.84 μJ were obtained for small signal transmission of 85%.
     使用T0为85%的V∶YAG,获得了平均功率输出功率96mW,脉宽8.8ns,重复频率25kHz,峰值功率436W,脉冲能量3.84μJ的实验结果.
短句来源
     Laser Welding of 8 mm Thick Stainless Steel Plates
     8mm厚不锈钢板的Nd∶YAG激光焊接
短句来源
     Using pulsed dye laser 632 8nm,lifetimes of adenocarcinoma,squamous carcinoma and normal human lung tissues in vitro have been measured by time resolved fluorescence as 5 1,5 6 and 6 3 ns respectively.
     用Nd∶YAG倍频光532.0nm泵浦DCM染料输出的632.8nm激光作激发源,通过时间分辨法测得离体人肺腺癌、鳞癌及正常组织的特征峰荧光寿命分别为5.1,5.6和6.3ns。
短句来源
     A dose of 20-30 Gy was adopted in radiotherapy plus laser operation group in which 60 Co external irradiation was performed 2 weeks after operation, and a dose of 40-60 Gy was used in the radiotherapy alone group.
     激光加放疗组在鼻内窥镜下用Nd∶YAG激光(功率50 W) 汽化切除肿瘤病灶,术后2 周行60Co 外照射,剂量为20~30 Gy。 单纯放疗组分别选用颈面联合野、鼻前野、颈后切线野行60Co 外照射,剂量为40~60 Gy。
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  相似匹配句对
     Investigation on YAG∶(Cr,Tm) Crystal
     YAG(Cr,Tm)晶体的研究
短句来源
     Q-switched Nd:YAG Laser Iridotomy
     Q-开关NdYAG 激光虹膜切除术
短句来源
     Let R: M ? M ?
     设RM(?)
短句来源
     ∶Gal.
     Gal.
短句来源
     ,YAG'-J_(s.s.)
     ,YAG’-J_(s.s.)
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  yag
The thermal effect analysis in the high power frequency-doubled Nd:YAG Laser
      
The process of optical limitation in the aggregated gold hydrosol was studied, which is caused by the nonlinear absorption of the Nd : YAG laser radiation (wavelength λ = 1064 nm) with a picosecond pulse duration.
      
Alumina-yttrium aluminum garnet (YAG) 50 vol % nanocomposite powders were prepared by a wet-chemical synthesis and characterized by simultaneous DTA-TG, XRD, and TEM analyses.
      
This procedure was strongly effective in lowering the densification temperature, so that fully dense alumina/YAG composites, with a mean grain size smaller than 200 nm, were obtained by sintering in the temperature range 1370-1420°C.
      
The desorption of these molecules did not occur at the YAG laser emission wavelength (λ =1064 nm), thus suggesting that the long-wavelength edge of their one-photon absorption lies within the range 1064-532 nm.
      
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For high perfection of structure in Nd-YAG laser crystals grown by the Czo-chralski method, the dislocation density of the crystals must be decreased. Research study seems to indicate that the direction of dislocation propagation is perpendicular to the solid-liquid interface. In crystals grown with a Convex solid-liquid interface, the low dislocation density is due to spreading out of the dislocations in the central part towards the surrounding areas and the edges. Hence, by applying suitable technology...

For high perfection of structure in Nd-YAG laser crystals grown by the Czo-chralski method, the dislocation density of the crystals must be decreased. Research study seems to indicate that the direction of dislocation propagation is perpendicular to the solid-liquid interface. In crystals grown with a Convex solid-liquid interface, the low dislocation density is due to spreading out of the dislocations in the central part towards the surrounding areas and the edges. Hence, by applying suitable technology i. e. intentionally changing the shape of the solid-liquid interface, we can obtain crystals in which not only the dislocations are decreased, but also the facets are eliminated.

在采用引上法工艺生长掺钕钇铝石榴石(YAG:Nd)单晶时,为了要得到结构完善的激光晶体,必须设法降低晶体中的位错密度。通过一系列工作,认为在晶体生长过程中,位错走向与固液界面保持垂直的关系。在由凸的固液界面形成小晶面的晶体中,位错密度低的原因是因为凸的固液界面可使晶体中心部分的位错散失在边稜以外。因此,采用合适的工艺条件:即在生长过程中有意识地改变固液界面形状,可使晶体达到既能消除小晶面,又降低位错密度的目的。

The principal axes of thermally induced birefringence in YAG laser rods generally do not possess axial symmetry because the strain-optic tensor of YAG crystals is different from that of isotropic materials A calculation is given for the (001) direction, the results of which are supported by experiments in which it was found that for CW or high repetition rate pulsed operation the transmission loss of (001) rods is lower than that of (111) rods. The polarized output of YAG lasers in which a...

The principal axes of thermally induced birefringence in YAG laser rods generally do not possess axial symmetry because the strain-optic tensor of YAG crystals is different from that of isotropic materials A calculation is given for the (001) direction, the results of which are supported by experiments in which it was found that for CW or high repetition rate pulsed operation the transmission loss of (001) rods is lower than that of (111) rods. The polarized output of YAG lasers in which a polarizer was placed in the cavity was maximum where the transmission loss was minimum.

由于YAG的光弹张量和各向同性介质不同,所以热致双折射主轴方向一般不具备轴对称形式。对[001]取向的棒进行了具体计算。实验证实了计算的结果:连续运转或高重复率脉冲运转时,[001]取向棒的偏振光传输性能比[111]取向棒优越。在传输系数最大的偏振方向上,腔内放置起偏器的偏振激光输出也是最大。

In this paper we describe an automatic diameter control system utilizing the technique of electronic weighing for Czochralski growth of single crystals. Using this system we have grown single crystals of Nd doped YAG and Li NbO_3 (φ~20--25mm, 70--90mm long) with nearly constant diameters, local deviations are kept within ±0.1 mm and whole-length deviations are kept within ±0.3mm.

本文叙述了利用电子称重技术实现提拉法生长晶体的直径自动控制系统,生长了铌酸锂和掺钕的钇铝石榴石单晶。直径为20—25mm等径长度为70—90mm的单晶体,局部径差小于±0.1mm,全径差小于±0.3mm。

 
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