1) M2 factor
M2因子
1.
Using the second order moment method to determine the beamwidth and multipoint fitting methor,the M2 factor in the case of incoherent and coherent superposition of several low order LPmn modes,which are outputed from the step-index fiber,have been calculated.
针对阶跃光纤输出低阶线偏振模(Linear Polarization,LP),利用二阶距定束宽,多点拟合法计算了几个低阶LPmn模相干和非相干叠加时的M2因子。
2.
Using the entropy-based width, asymptotic analysis and encircled power in the bucket, the waist width w, far-field divergence angle θ0 and M2 factors of a truncated flatted Gaussian beam (FGB) were studied and compared.
使用熵束宽、渐近分析和环围功率法对截断平顶高斯光束的束腰宽度w、远场发散角θ0和M2因子作了比较研究。
3.
It is shown by experiments that the M2 factors obtained by the normal equations method is consistent with that solved with SVD(Singular Value Decomposition) method,but the first one is faster and more accurate,the operation speed can be improved by one order of magnitude.
为提高双曲线拟合精度和速度,克服M2因子测量过程中受到随机误差的影响,采用正规方程组拟合双曲线的方法,给出了三角分解法求解正规方程组的快速数值算法。
2) M~2-factor
M2因子
1.
The M~2-factor of the Hermite-Gaussian beams generated by an LD-pumped mode master is measured and it has been verified that the cuneiform prism used as reflection laser attenuator of 4.
实验测量了LD泵浦激光模式发生器基模和高阶模条件下激光束的M2因子,结果表明:楔形镜反射式衰减器对光束质量无显著影响,将楔形镜第一次表面反射作为无像差定量衰减,入射角在0~55°范围内,单棱镜表面反射光束能量为入射光能量的4。
2.
Making use of the new model of falt-topped light beams proposed by Li recently,the analytical expressions of the M~2-factor and the field distribution of flat-topped light beams passing through a paraxial ABCD optical system have been derived,respectively.
利用Li近期提出的平顶光束新模型,分别推导出柱坐标系下平顶光束的M2因子和通过傍轴ABCD光学系统传输后光场分布的解析公式。
3.
Considering of the complex wave number,the second-order intensity moments and the M~2-factor of partially coherent beams have been modified.
在波数K为复数的情况下,对部分相干光强度二阶矩及M2因子的定义进行了修正。
3) M~2 factor
M2因子
1.
Based on the second order moments,the beam propagation factor (M~2 factor),beam waist,beam divergence angle and the intrinsic astigmatism of the high power laser diode bar are derived and analyzed theoretically.
本文对激光二极管叠层阵列的光束特性进行了研究 基于二阶矩定义,对激光二极管叠层阵列光束的光束质量(M2因子)、束腰宽度、远场发散角和内禀像散不变量等光束特征参数作了理论推导和分
2.
The dependence of the output power and M~2 factor on the resonator configuration and the pumping current have been measured.
本文从研究激光热稳定腔的输出特性出发,测量了激光输出功率、光束质量M2因子随激光腔型和泵浦电流变化的关系,分析了热效应引起光束质量变化的机理,实验结果得到了很好解释。
3.
The M~2 factor of partially coherent ultrashort pulsed beams is studied.
研究了部分相干超短脉冲光束的M2因子。
4) POU-M2 factor
POU-M2因子
1.
Analysis on POU-M2 factor revealed that the toxicity and self-activation of POU-M2 factor owes to the DNA-binding capacity of POU domain on its C-terminal.
对POU-M2进行结构域分析,发现其构建的诱饵质粒、猎物质粒产生毒性与自激活现象来源于POU-M2因子羧基端POU结构域的DNA结合能力。
5) Generalized M2-factor
广义M2因子
6) generalized M2 factor
推广M2因子
补充资料:Ⅷ因子缺乏病
Ⅷ因子缺乏病
factor Ⅷ deficiency
即“血友病A”。见“血友病A”。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条