Four-wave mixing was observed in the active medium of a copper vapor laser.
在铜蒸气激光器的激活介质中观察到四波混频现象。
Four-Wave Mixing is one of the main technology of laser wavelength conversion.
而四波混频又是激光谐波变换的主要技术之一。
The second part of the thesis studies the four-wave mixing of BEC matter waves.
论文的第二部分研究BE c物质波的四波混频。
In this paper, degenerate four-wave mixing was studied in various transparent optical media.
本文研究了各种透明介质的简并的四波混频作用。
It is shown that quantum beat effect exists in the time-resolved degenerate four-wave mixing.
指出在这种简并四波混频中同样可能存在量子拍频效应。
Photorefractive four wave mixing with rapidly amplitude modulated beams is studied theoretically.
对高速调幅光束的光折变四波混频进行了理论研究。
The third order nonlinear optical property of PMOCOPV was studied by degenerate four wave mixing(DFWM).
采用简并四波混频（DFWM ）方法研究了PMOCOPV的三阶非线性光学性质。
The four-wave mixing phase conjugation reflectivity increases from 4% to 14% in this temperature range.
在温度变化范围内，四波混频相位共轭反射率从4 %增加到14%。
Their third order optical nonlinearities were studied via a Degenerate Four Wave Mixing (DFWM) technique.
采用背相简并四波混频（DFWM）的方法研究了它们的三阶光学非线性。
The degenerate four-wave mixing process due to thermal phase grating in nematic liquid crystals is studied.
本文研究了向列相液晶中热致相位光栅产生的简并四波混频过程。
We have studied the saturation effect of degenerate four-wave mixing in Doppler-broadened two-level system.
我们研究了多普勒增宽的二能级系统中，简并四波混频的饱和效应。
Degenerate four-wave mixing effect due to thermally induced index grating is studied in liquid crystal MBBA.
本文中探讨了MBBA液晶中，由热致位相光栅产生的简并四波混频效应。
The self induced phase matching in four wave mixing in a nonbirefringent single mode optical fiber has been observed.
报道了无双折射单模光纤中四波混频的一种新型相位匹配方式。
The device is produced by fixing an ultrasonic wave mixing device on a fluorination reactor via shock pads and flanges.
装置是由超声波搅拌装置通过减震垫和法兰固定在氟化反应器上构成的。
In this paper, the time-resolved degenerate four-wave mixing in two-level system is treated rigorously with the density-matrix method.
本文用密度矩阵方法严格处理了在共振情况下二能级系统时间分辨简并四波混频问题。
Polarization beats with phase-conjugation geometry originate from the polarization interference between four- or six-wave mixing processes.
相位共轭极化拍频起源于四波混频或六波混频过程间的极化干涉。
The effect of the stochastic field on the degenerate four-wave mixing signal intensity hag been studied basing on the phase-diffusion model.
本文在相位扩散模型的基础上，研究了随机场对简并四波混频输出强度的影响。
The degenerate four wave mixing (FWM) and optical parametric amplifying (OPA) processes near the zero dispersion in optical fiber are analyzed.
分析了光纤中零色散附近的简并四波混频（FWM）和简并光参量放大（OPA）过程。
Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity.
采用四波混频加强SBS的方法，其相干拍频驱动声子场，能提高SBS相位共轭保真度。
We have studied the level crossing effect in degenerate four-wave mixing and compared it with the level crossing effect in resonance fluorescence.
研究了简并四波混频的能级交叉效应，并与共振荧光的能级交叉效应比较。
Comparison of crosstalk induced by four-wave mixing and cross-phase modulation in Si-EDFAs and Te-EDFAs is carried out using semiclassical theory.
文中用半经典理论分析比较了这两种光纤中由于四波混频和互相位调制引起的串扰。
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。
Due to the coupling term of the four-wave mixing, the mode interaction has a symmetric effect on the submodes, inducing the gain suppression on them.
由于引入四波混频耦合项，模相互作用的效应对次级模的影响是对称的，均使次级模受到增益抑制。
By using femtosecond laser, the off-resonant third-order optical nonlinearity of the compound was measured with degenerate four-wave mixing technique.
采用飞秒激光，运用简并四波混频法，研究了化合物在非共振状态下的三阶非线性光学性能。
The phase conjugate reflectivity of four-wave mixing was measured to be higher than 900%; The temperature enhancement of phase conjugation was studied.
它的四波混频相位共轭反射率高达900％以上，且具有相位共轭波温度增强效应。
The proposed PCF with low ultra-flattened dispersion, high nonlinearity and high birefringence can have important applications on the four-wave mixing.
该光纤所呈现的超低平坦色散高非线性效应对四波混频具有重要应用价值。
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。
The values of third-order susceptibilities X(3) of porphyrin-phthalocyanine heterodimers have been measured by degenerate four-wave mixing (DFWM) method.
利用简并四波混频（DFWM）方法测量二元分子卟啉酞菁的三阶非线性极化系数X（3）值。
We have studied the mechanism of the anisotropic property of degenerate four-wave mixing (DFWM) signal intensity in nematic liquid crystal doped with dye.
我们研究了掺染料向列相液晶中简并四波混频各向异性的机制。
In this paper, effects of one of the fibre nonlinearities, four-wave mixing, in long distance coherent multichannel optical fibre transmission are studied.
本文研究光纤非线性现象之一的四波混频对长距离相干多路光纤传输系统的影响。
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