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yap
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  yap
     Experimental study of biological effect by Nd∶YAP laser
     Nd∶YAP激光生物效应的实验研究
短句来源
     Watt Level CW Frequency-Stabilized Nd∶YAP/KTP Laser with Dual Wavelength Outputs
     瓦级连续双波长输出Nd∶YAP/KTP稳频激光器
短句来源
     The growth of Tm∶YAP single crystal by Czochralski method with MF induction heating was reported. The dimensions of these crystals are (20~25) mm×(60~70) mm.
     采用提拉法生长了b轴Tm∶YAP晶体,晶体尺寸为(20~25)mm×(60~70)mm.
短句来源
     Then inferior concha of rabbit was irradiated with Nd∶YAP Laser whose wavelength was 1 34 μm and whose power density was 11 24, 7 76, 8 68, 11 24 and 15 50 W/cm 2, respectively.
     采用波长 1 34 μm的Nd∶YAP激光 ,分别以功率密度 11 2 4、7 76、8 6 8、11 2 4、15 5 0W/cm2 照射兔下鼻甲粘膜。
短句来源
     Rabbit Carotid Injured by 1.34 μm Nd∶YAP Laser:A Morphological Study
     134μm Nd∶YAP激光照射后兔颈总动脉的形态学研究
短句来源
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     High Power Red Laser from Intracavity-doubled Nd∶YAlO_3/LBO Laser
     Nd∶YAP/LBO腔内倍频高功率红光激光器
短句来源
     The thermal expansion coefficients of [010], [101] and [121] directions at temperatures 30—800 ℃ were investigated in detail.
     研究了Ce∶YAP晶体的[010],[101],[121]等几个主要方向在30~800℃范围内的热膨胀系数曲线。
短句来源
     The most intensive absorption peaks occur around at wavelengths of 689.5 nm and 795 nm,which are corresponding to the transitions of Tm~3+ ions ~3H_6→~3F_3 and ~3H_6→~3H_4,respectively.
     结果表明,Tm∶YAP晶体在689.5 nm和795 nm左右有较强的吸收峰,分别对应于3H6→3F3和3H6→3H4的能级跃迁,半峰全宽(FWHM)分别为22.5 nm和30 nm,吸收截面分别为1.89×10-20cm2和1.35×10-20cm2。
短句来源
     The absorption cross sections are 1.89×10~-20 cm~2 and 1.35×10~-20 cm~2 with full width of half maximum(FWHM) of 22.5 nm and 30 nm respectively.
     荧光光谱表明Tm∶YAP晶体发射波长为1.89μm,相应的荧光寿命为13.90 ms,发射截面为1.58×10-19cm2。
短句来源
     Each of a hove lasers shows respectively a fundamental wave with a pulse width of 8 ps and 10 ps,and a SHG conversion efficiency of 70.0 and 63.6%. The theoretical analysis tallies with experimental results.
     研究带抗共振环对撞脉冲锁模Nd∶YAP和Nd∶YAG激光器的腔内培频效应.在两种激光器中分别获得基波脉宽为8ps和10ps,倍频能量转换效率为70.0%和63.6%.理论分析和实验结果相吻合.
短句来源
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  相似匹配句对
     The Czochralski Growth of Tm∶YAP Laser Crystal
     TmYAP激光晶体的生长
短句来源
     Polarized Spectral Characteristics of Nd∶YAP
     NdYAP的偏振光谱性质的研究
短句来源
     ∶Man.
     Man .
短句来源
     ∶Xyl.
     Xyl.
短句来源
     Study on the Color Change of YAP Crystals
     YAP晶体变色现象的研究
短句来源
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  yap
The distribution of alleles and haplotypes of three diallellic Y-specific loci (YAP, DYF155S2, and Tat) in the populations of Kyrgyz, Uzbeks and Tajiks was analyzed.
      
In the populations of southern Kyrgyzes and Uzbeks, two chromosomes carrying the YAP+ allele were detected.
      
In both cases the YAP+ allele was found within the YAP+/DYF155S2+/TatT haplotype.
      
The Tajiks demonstrated the presence of only the YAP-/DYF155S2+/TatT haplotype.
      
Examination of an association between the Alupolymorphism and Tatmutation revealed absolute YAP-/C linkage.
      
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The laser transition cross sections of YAP:Nd crystals are calculated by using group theory. The values of these cross sections for general elliptically polarized light are shown to be determined by three parameters. The theoretical results are verified by experiments and demonstrated by the construction of a wave length variable laser. We analysed two laser structures in which the transmission matrices are Z7-matrices, and calculated the polarizations and frequencies of their eigenmodes. Experimental...

The laser transition cross sections of YAP:Nd crystals are calculated by using group theory. The values of these cross sections for general elliptically polarized light are shown to be determined by three parameters. The theoretical results are verified by experiments and demonstrated by the construction of a wave length variable laser. We analysed two laser structures in which the transmission matrices are Z7-matrices, and calculated the polarizations and frequencies of their eigenmodes. Experimental results agree with the theory well. The results obtained in our work can be used in construc-tion of a single longitudinal mode laser with enhance output and to suggest a new method of modulation for lasers.

计算了YAP:Nd晶体激光跃迁截面,任意椭圆偏振光的跃迁截面由三个参数确定。实验证实了计算的结果,并且用来得到波长可变的激光器。讨论了传输矩阵为U矩阵的两种激光器结构,计算了本征模式的偏振和频率,实验和理论基本符合。它们可以用来得到较大输出能量的单纵模激光器和激光器的新的调制方法。

Calculation of relation between the negative absorption coefficient a and the direction of the singular axes P.Q.has been made quantitatively for lasing condi- tions in Nd:YAP crystal for the first time,and this calculation is based on the complex Fresnel's equation of the wave normals of light propagation in anisotropic medium.It is discussed by using this nature of singular axes that a circularly polarized laser beam output can be obtained.

本文基于各向异性介质中光传播的波法线复菲涅耳方程,首次定量计算了Nd~(3+):YAlO_3双轴晶体在激光条件下负吸收系数 a 与奇异轴形成的方向(P,Q)的关系。对利用奇异轴特性获得圆偏振的激光输出作了讨论。

A passively mode-locked Nd: YAP laser is reported. More stable mode-locked trains of ultrashort pulses are obtained, with a pulse-width of 10 ps and the contrast ratio for two-photon fluorescence of~2.8.

报导了Nd:YAP被动锁模激光器,获得了比较稳定的锁模超短脉冲系列,脉宽~10微微秒,双光子荧光对比度~2.8.

 
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