拉曼增益

从氦对氢拉曼增益系数的影响，对实验结果进行了理论分析。

The effect s of He on Raman gain in H2 is discussed to explain the experiments results .

拉曼增益系数和拉曼增益谱是衡量光纤拉曼放大器增益性能的两个重要指标参数。

The important parameters to describe the gain of the FRA are the Raman gain coefficient and effective Raman gain .

受激拉曼增益激光雷达测量CO2气体

Stimulated Raman scattering gain lidar for monitoring CO_2 gas

拉曼增益介质为10km的色散补偿光纤。

10 - km Dispersion Compensation Fiber ( DCF ) is used as Raman gain medium .

光纤具有较高的拉曼增益系数，利用这一点可以用较短长度的DCF光纤制成分立式的光纤拉曼放大器，作为传输线路上的损耗补偿。

For dispersion compensating fiber ( DCF ) shows relative high Raman gain coefficient , it can be used as discrete fiber Raman amplifier to compensate the loss of signal in a transmission fiber span .

在实验上，对三种不同长度的石英光纤进行了高温高压扩氮制成了光纤氮拉曼增益介质，给出了测试SRS光谱的实验装置、光谱及传输模式照片。

In the paper , optical fiber-nitrogen Stimulated Raman Scatting ( SRS ) gain medium is produced by diffused nitrogen at high-Temperature and high-pressure . Experimental set up for measured SRS spectrum and transmission mode photograph are given .

当拉曼增益系数选取优化值0.27／LD时，脉宽为10ps的基孤子脉冲压缩后可得到脉宽仅417fs、脉冲能量增至5.9倍、峰值功率增至136.3倍、基座能量比仅为2.8%的输出脉冲。

By selecting the appropriate gain parameter of 0.27 / LD , a fundamental soliton with 10ps width can be compressed into a 417 fs with 5.9 times initial pulse energy . 136.3 times initial peak intensity and only 2.8 % pedestal energy ratio .

30km非归零色散位移光纤（NZDSF）用于拉曼增益可以产生信噪比大于40dB的稳定拉曼激光输出，在4.2nm范围内系统解调精度为0.05nm。

Signal-to-noise ratio of stable Raman laser output is greater than ( 40 dB ) with ( 30 km ) non-zero dispersion shifted fiber ( NZDSF ), and the precision of the proposed system is about ( 0.05 nm ) in a demodulation range of ( 4.2 nm . )

不同掺杂浓度光纤拉曼增益特性的研究

Study on the Raman gain spectrum of different GeO_2-doped silica fiber

一种借助散射截面获得拉曼增益系数的理论方法

A theoretical method of obtaining Raman gain coefficient by Raman scattering section

拉曼增益系数可分离光纤中的受激拉曼散射

Stimulated Raman Scattering in Raman Gain Separated Fiber

利用拟合图谱通过插值得到拉曼增益系数代替传统的将拉曼增益谱近似为三角形的方法。

Raman gain coefficient is drawn from an insert valve of a Raman profile instead of triangle Raman profile approximation .

光纤拉曼增益机制能够有效地抑制这种增益竞争，从而使得提出的多波长激光器能够在室温下输出稳定。

The FRA gain mechanism can suppress the gain competition effectively and make the present multi-wavelength laser stable at room temperature .

在拉曼增益的作用下，随着二阶布里渊散射的饱和会出现级联的多阶布里渊散射，形成梳状光谱。

Comb-like spectrum lines of cascade Brillouin scattering appear with the saturation of second order Brillouin scattering under Raman gain effect in experiment .

提出了一种改进的、可用于计算偏振相关拉曼增益的光纤拉曼放大器的非线性耦合波方程。

A set of improved nonlinear coupled-wave equations describing the properties of fiber Raman amplifiers is developed , which can be applied to calculate the polarization dependent Raman gain .

提出了基于作为拉曼增益介质的色散补偿光纤和掺铒光纤混合增益的稳定、均衡多波长光纤激光器。

A stable and uniform multi-wavelength fiber laser based on the hybrid gain of a dispersion compensating fiber as the Raman gain medium and an erbium-doped fiber ( EDF ) is introduced .

基于上述模型，提出了一个可定量表征单模光纤偏振模色散统计特性的拉曼增益偏振相关因子，用以替代常规的光纤拉曼放大器非线性耦合波方程中的偏振相关因子。

A polarization dependent factor expressing the statistical properties of the polarization mode dispersion in single mode optical fibers quantitively is developed to substitute the one employed in the normal fiber Raman amplifier coupled nonlinear equations .

由于硝酸钡晶体具有很强的对称振动（频率1047cm-1）和较高的拉曼增益，可以用来产生受激拉曼激光。

Barium nitrate crystal was proposed as one of the perspective Raman materials due to its intense symmetrical vibrations with the frequency of 1 047 cm ~ ( - 1 ) and comparative high Raman gain .

基于该简化模型和优化方法研究多泵浦光源的个数、输入功率和波长分布对信号拉曼增益的影响，揭示拉曼放大器增益带宽、开关增益、增益平坦度、泵浦数目等主要参数之间的内在联系。

Influences of the number of pump , input power and wavelength distribution on Raman gain are studied . Relations among gain bandwidth , on-off gain , gain flatness and the number of pump of MBRA are revealed .

分解图谱表明掺杂物破坏了二氧化硅的分子结构，并在拉曼增益范围内产生了新的峰值，从理论上证明了光纤掺杂物对拉曼增益系数和增益谱的影响。

The decomposed spectrum showed that the dopants destroyed the silicon dioxide structure and produced some new Raman gains within the discussed ( Raman ) gain range , which verified the experiment conclusion for the influences of germania concentration on Raman gain coefficient and Raman gain spectrum .

WDM传输系统中泵浦配置对光纤拉曼放大器增益特性的影响

Impact of Pump scheme upon Gain Property of Fiber Raman Amplifiers in WDM System

多泵浦拉曼放大器增益特性的仿真与分析

Simulation and analysis of gain characters of multi-pumped fiber Raman amplifier

反斯托克斯拉曼转换增益系数的最佳化

Optimization of the Gain Coefficient in Anti - Stokes Raman Conversion

光纤拉曼放大器增益平坦化问题及增益偏振依赖性的研究

Research on Gain Flatness and Polarization Dependent Gain of Fiber Raman Amplifier

多泵浦宽带光纤拉曼放大器增益平坦的优化设计

Optimization of Gain Flatness Properties of Broadband Fiber Raman Amplifiers

用于S波段光纤拉曼放大器增益平坦的长周期光纤光栅设计

Long-period Fiber Grating Using for Gain Flattening of S-band Fiber Raman Amplifier

对传统的模拟退火优化算法进行改进，并应用于宽带拉曼放大器增益谱的优化设计。

A conventional simulated annealing algorithm is applied for optimization of MBRA .

分立式色散补偿拉曼放大器增益特性及非线性现象研究

Experimental research on gain characteristics and nonlinear effect of dispersion compensation Raman amplifiers

信号功率及泵浦方式对拉曼放大器增益的影响

The influence of signals power and pumping configuration on the gain of Raman amplifier

研究了在不同的光纤有效作用长度时，拉曼放大器增益与抽运功率的关系；

The relation between the gain of Raman amplifier and pump power at different effective interaction length of optical fiber is anlyzed .