nonlinear refraction meaning in English
非线性折射
Examples
- The nonlinear refraction index n2 were estimated according to the closed - aperture z - scan curves
根据闭孔z -扫描曲线估算了样品的非线性折射率。 - Secondly , the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique , nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds . all the three compounds have self defocusing characters and two photon absorptions . lastly , nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds
根据实验曲线计算了它们在1064nm下的三阶非线性折射率和非线性吸收系数，三种化合物都具有自聚焦特性，并且在该波长下，三种化合物均具有双光子吸收，最后，以皮秒脉冲的532nm为激发波长，采用z扫描方法，研究了三种金属有机化合物的非线性折射和非线性吸收性质，在该波长下三种化合物仍然表现为自聚焦特性，且其吸收为反饱和吸收。 - On theoretical , a diffraction model of a nonlinear optical medium to a gaussian beam was built based on fresnel - kirchhoff diffraction theory . the propagation behavior of the gaussian beam passing through the nonlinear optical medium was theoretically deduced and numerically simulated , which could explain the z - scan phenomenon from a new approach . it provides a new way to calculate the nonlinear refraction index and the two - photon absorption coefficients
理论方面，以菲涅尔?基尔霍夫衍射理论为基础，建立了非线性介质对高斯光束的衍射模型，对高斯光束通过非线性介质后的传输行为进行了详细的理论推导和数值计算，从一种新的角度解释了z -扫描现象，是计算非线性折射率和双光子吸收系数的一种新方法。