From the nonlinear Schrdinger equation of beam propagating in Kerr absorbing medium, a set of evolution equations describing Gaussian beam waist radius have bean deduced.
由光束在克尔型吸收介质中传输的非线性薛定谔方程出发，推导了高斯光束注入介质后满足的耦合方程。
The frequency domain result of Gaussian beam scattering from rough surface is extended to the time domain and the effect of the beam waist radius is also discussed.
将高斯波束粗糙面散射的频域结果推广到时域，获得了与平面波入射时相似的结果，并分析了束腰半径变化对计算结果的影响。
The variation equation describing distance dependence of the beam waist of a fundamental Gaussian beam with high intensity propagating in logarithmically saturable nonlinear media has been deduced.
导出了在对数饱和非线性介质中传播的强激光基模高斯光束宽度随传播距离变化的方程。
When the initial power is equal to the critical power and light beam is incident at the beam waist, the elliptical Hermite-Gaussian spatial optical soliton is obtained.
当初始功率等于这一临界功率，光束从光腰处入射时，可得到椭圆厄米高斯空间光孤子。
When the initial power is equal to the critical power and light beam is incident at the beam waist, the elliptical Hermite-Gaussian spatial optical soliton is obtained.
当初始功率等于这一临界功率，光束从光腰处入射时，可得到椭圆厄米高斯空间光孤子。
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