Mixing modified agents, antioxidant, optical stabilizer, the special resin for water-supply pipes with pp C4220 as the base resin is developed.
以聚丙烯c 4220为基础树脂，加入适量改性剂、抗氧剂、光稳定剂，研制开发了给水管材专用料。
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。
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。
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。
Photonic RF phase shifters based on OTTD (optical true time delay), heterodyne mixing technique and vector sum technique were introduced. The principles and features were proposed and analyzed.
介绍了基于光实时延迟线、基于外差混频技术和基于矢量和技术的光子射频移相器，对其工作原理和技术特点作了分析。
A novel scheme for polarization insensitive optical wavelength conversion based on four wave mixing (FWM) in semiconductor optical amplifier (SOA) is proposed and demonstrated.
提出和论述了一种新颖的偏振不敏感的基于半导体光放大器的四波混频光波长转换方法。
A novel plastic optical fiber (POF) power coupler is proposed, which is different from fused taper type and mixing rod POF couplers.
提出了一种新型的塑料光纤功率耦合器，该耦合器与传统的拉锥型和混合棒塑料光纤耦合器不同。
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。
This dissertation is devoted to effects of relaxation times on wavelength conversion efficiency based on four-wave mixing(FWM) in semiconductor optical amplifier(SOA).
通过数值求解耦合波方程，研究了半导体光放大器弛豫时间对四波混频波长变换效率的影响。
A study on the mode under the condition of phase-matching of stimulated four-photon mixing (SFPM) in optical fiber waveguides has been performed.
本文对相位匹配条件下光纤波导中的受激四光子混频(SFPM)过程的模式问题进行了理论和实验研究。
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。
Thus the imaging quality of laser beam is improved after color mixing of optical fiber.
从而能提高激光经光纤混色后的光束成象质量。
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。
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。
Different ways to generate yellow laser were discussed, especially two nonlinear-optical methods of sum-frequency mixing and stimulated Raman scattering (SRS).
对黄光激光的产生方式进行了讨论，重点介绍两种获得黄光激光的非线性光学方法：和频和受激拉曼散射效应。
Study on theoretical models of laser self-mixing interference based on optical feedback effect is made in terms of weak optical feedback condition.
文章针对弱光反馈情形，对基于光反馈效应的激光自混合干涉模型进行了探讨。
After comparing the ways of making POF couplers, we decide to research and develop tapered mixing-rod couplers for polymer optical fibers.
通过研究比较，结合实验室的条件，确定了锥形混合棒塑料光纤耦合器作为研究方向。
The experimental results show that the optical transmission spectra range and two-wave mixing gains are smaller in the high doped LiNbO_3 crystals.
研究了系列不同掺杂、不同掺杂浓度、单掺杂和双掺杂以及不同后处理态（生长态、还原态和氧化态）铌酸锂晶体的透过率光谱和光折变二波耦合效应。
By using optical filter to filter out mixing light, the wavelength conversion of signal laser can be obtained.
利用光学滤波器，滤出四波混频分量，即可实现信号光的波长变换。
Although small QW has smaller optical confinement factor and smaller ratio of carriers injected into QW, it can provide higher mode gain because of its smaller mixing between valence bands.
小阱宽的量子阱虽然光学限制因子和载流子注入比例都较小，但由于其价带耦合小于宽量子阱，从而具有高的模式增益，说明量子阱的能带结构对其光学特性有决定性的作用。
A format conversion from a non-return-to-zero (NRZ) signal to return-to-zero (RZ) signal is presented based on four-wave mixing (FWM) and cross-phase modulation (XPM) in a silicon optical waveguide.
基于硅光波导的四波混频(FWM)和交叉相位调制(XPM)效应，提出非归零码(NRZ)到归零码(RZ)的光调制格式转换。
We propose a new method to realize degenerate four-wave-mixing in nonlinear optical thin films using long-range surface-plasmons-wave as pumps.
本文提出一种以长程表面电磁激元波作为泵波，在非线性介质膜中实现简并四波混频的新方案。
We propose a new method to realize degenerate four-wave-mixing in nonlinear optical thin films using long-range surface-plasmons-wave as pumps.
本文提出一种以长程表面电磁激元波作为泵波，在非线性介质膜中实现简并四波混频的新方案。
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