受激射效应影响,消光比及频率啁啾在弛豫振荡频率处达到极大值。
Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.
研究了线性光纤中色散导致初始频率啁啾的高斯光脉冲展宽的详细物理过程。
The physical process of frequency chirped Gaussian pulses broading induced by the group- velocity dispersion has been studied.
本文就TW-SLA参数、频率啁啾参数跟脉冲增宽因子的关系作了理论研究。
The relations among the TW-SLA parameters, chirp parameters and broadening factors are investigated theoretically.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变,并有效地提高三倍频转换效率。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
从非线性薛定谔方程出发,研究了初始非线性频率啁啾对二阶孤子脉冲传输行为的影响。
It is discussed the influence of nonlinear frequency chirp to the transmission of 2nd-soliton in optical fibers by solving nonlinear Schrdinger equation.
理论研究表明,这些因素的引入将减小光放大器附加到放大光脉冲上的非线性频率啁啾。
The theoretical research show that introduce of these factors will reduce the amplitude of nonlinear frequency chirping imposed on amplified light pulse.
相对而言,初始频率啁啾对输出孤子宽度的影响较大,但对输出孤子质量的影响并不严重。
The initial frequency chirp of the input pulse has a larger influence on the output pulse-width but a small influence on the output soliton-quality.
由于载流子引起的群速度色散效应,使远离饱和区工作的TW-SLA会对有频率啁啾的光脉冲产生展宽或压缩。
The chirped pulses will be compressed or broadened because of carrier-induced group-velocity dispersion when TW-SLA operates far below saturation.
研究发现,较大的激光器注入电流可以有效地抑制频率啁啾,较高的注入信号光功率则可以在保证高转换信号消光比的同时抑制频率啁啾。
The results show that higher injected current can restrain the frequency chirp effectively, and higher input optical power can also do that, meanwhile, good extinction ratio is ensured.
针对光栅不同的耦合系数分布,数值分析了分布耦合系数对线性啁啾光栅频率响应特性的影响。
Frequency response characteristics of linearly chirped fiber gratings with different distributed coupling coefficients have been analyzed numerically.
得出了啁啾幅度和啁啾相位与调制频率的关系。
Chirping amplitude and phase changes with the modulation frequency are present.
由可调谐半导体激光器产生一个啁啾信号,通过测量拍信号频率计算距离。
A tunable GaAlAs diode laser is used as a chirp signal source, the distance is detected by calculating the beat frequency.
在此基础上,求出了振幅与脉宽、频率与啁啾、脉宽与啁啾之间的三个重要约束关系;
Then three important restricted relations between amplitude and width, frequency and chirp, width and chirp are obtaimed.
在此基础上,求出了振幅与脉宽、频率与啁啾、脉宽与啁啾之间的三个重要约束关系;
Then three important restricted relations between amplitude and width, frequency and chirp, width and chirp are obtaimed.
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