The backward wave output amplified about four times was experimentally obtained.
实验得到了放大约四倍的后向波输出。
This paper brings forth a new relativistic backward wave oscillator with coaxial extractor.
提出一种新型相对论返波管同轴引出相对论返波管结构。
Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
通过测量后向反射波与入射波的强度比，可以确定介质的三阶极化率。
In this paper, the first experiment of generating the phase conjugated backward wave by degenerate four-wave mixing in chlorophyll solution is reported.
本文报道在叶绿素溶液中用简并的四波混频得到位相复共轭后向反射波的首次实验。
Considering the competing effect of Raman scattering, the dependence of intensity of parametric backward wave oscillation on the pumping intensity is obtained.
考虑受激喇曼散射的竞争效应，求得了简并四波混频后向波参量振荡信号强度与泵浦输入强度的关系。
Researchers say that a "backward traveling wave" can explain why traffic jams sometimes appear seemingly out of nowhere. Cynthia Graber reports.
研究人员称“反向驾驶浪潮”能够解释为何交通阻塞有时候似乎好像无缘无故的出现。
The prospective market will be scientific and normalize gradually. Like a mighty wave crashing on a sandy shore, some enterprises with backward management and poor specialty level will be washed out.
未来的市场将会逐步科学和健康化，商场如同大浪淘沙，那些管理落后、专业水平低的企业终将被市场所淘汰。
Under continuous wave pumping, backward amplified spontaneous emission output power (ASE-) rapidly increases to peak value, and then decreases monotonically to steady-state value.
在连续波泵浦下，反向自发辐射输出功率（ASE-）首先快速地增加到峰值功率，然后单调下降到稳态值；
A scheme is suggested in this paper, by which squeezed state light can be radiated from lasers directly via non-degenerate backward four wave mixing in laser cavities.
本文研究通过在激光腔内进行后向非简并四波混频，直接产生压缩态光输出的方案。
Phase conjugation of backward-and forward-wave produced by degenerate four-wave mixing using a nearly resonantly enhanced nonlinearity in four-level organic dye solutions was investigated.
研究了近共振增强的四能级系统有机染料溶液中简并的四波混频后向反射波及前向波的位相复共轭特性。
It is shown that the high efficiency and weak dispersion of backward-wave oscillations can be accounted for by induced a plasma photonics crystal.
数值计算发现，等离子体光子晶体对色散有很大的影响。
It is shown that the high efficiency and weak dispersion of backward-wave oscillations can be accounted for by induced a plasma photonics crystal.
数值计算发现，等离子体光子晶体对色散有很大的影响。
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