色散介质 meaning in English
dispersing medium
dispersion medium
dispersive medium
Examples
- 5 . without making the paraxial approximation , a detailed study on the propagation of ultrashort pulsed bessel beams in linear normal and anomalous dispersive media has been performed using the method of fourier transform
未作近轴近似的条件下，用傅立叶积分变换法详细研究了超短脉冲贝塞尔光束在正、负色散介质中的传输特性。 - Numerical examples illustrated the spatiotemporal properties such as spectrum redshifting , narrowing and pulse distortion , etc . it is stressed that the " antibeam " behavior of ultrashort pulsed beams can be avoided , if a suitable truncation function is introduced to the initial pulse spectrum
数值计算例说明了在色散介质中会出现谱红移、变窄、及脉冲形变等传输效应，而且对初始光谱引入截断函数可以避免“非光束”行为。 - The condition , under which the paraxial approximation is valid , is given . 4 . starting from the rayleigh diffraction integral , the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ) , which allows for relatively large angles
从瑞利衍射积分公式出发，未作慢变振幅近似和近轴近似的条件下，导出了等衍射长度超短脉冲高斯光束在色散介质中非近轴传输方程，可用来处理色散介质较大角度的传输。 - The simulation results have shown that sigvd of the temporal part is observed when the diffraction - free distance is longer than the dispersion length of sigvd . sigvd can be used to compensate the dispersion of medium , and a diffraction - free and quasi - dispersion - free pulsed beam , similar to a spatiotemporal soliton , can be produced in a dispersion medium
数值模拟的结果表明，只要相应的衍射距离大于空间诱导色散的距离，空间诱导色散理论可以很好的描述脉冲的演化过程；利用空间诱导色散可以补偿介质色散，从而可以在色散介质中实现无衍射无色散的类时空孤子的传输。 - The pulses can be broadening and become negatively chirped while propagating in anomalous dispersive media . in normal dispersive media , the pulses can be broadening , positively or negatively chirped , or even the dispersion - free propagation can be achieved , if the beam and material parameters are suitably chosen
在负色散介质中传输时，脉冲会变宽、带有负惆啾:而在正色散介质中传输时，脉冲会变宽、带有正惆啾或负叨嗽，当光束和色散参数满足一定条件时能实现“无衍射无色散”传输。