给出了描述具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输方程的解。
The solution of the nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber is presented.
对方程作了数值解，模拟了具有几个光振荡周期的飞秒脉冲在单模光纤中的非线性传输。
By solving the equation numerically, the nonlinear propagation of femtosecond laser pulse with duration of several optical oscillation periods in single-model optical fiber has been simulated.
脉冲激光器是另一类的激光器，它的脉冲是在“开”与“关”两种状态的振荡之间产生。当激光器处于“开”的状态，产生光，在“关”的状态，光量显著减少。
There is another class of lasers, however, that pulse, oscillating between an "on" stage, where light is produced, and an "off" stage, when the amount of light is dramatically reduced.
下图显示了几种颜色的光如何随时间振荡。
The graphic below shows how a few different colors of light oscillate over time.
于是电子受到电磁场的影响而来回振荡， 也因此消耗了光部份的能量。
So the electronic consumes part of the energy of light, oscillating back and forth due to the impact of electromagnetic field.
研究结果表明，双原子纠缠度影响场熵的平均值，而初始光场的强度则影响场熵演化的振荡特性。
The results show that the entanglement of atoms affects the mean-value of field entropy and the intensity of field affects the oscillation properties of field entropy evolution.
它主要由二次谐波产生、和频产生、差频产生、光参量振荡等构成。
It mainly consists of harmonic generation, sum-frequency generation, difference-frequency generation, optical parametric oscillation and etc.
在相干光通信等方面，要求信号光与本地振荡光偏振方向相匹配。
The polarization direction of signal is required to match with that of local oscillator.
拉曼过程则牵涉到光与组成介质之分子的振荡激发态，由于彼此的相互作用，光子会损失或增加能量，导致频率的改变。
Raman processes involve light interacting with the vibrational excitations of molecules making up the medium; as a result, the photons of light lose or gain energy, which changes their frequency.
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.
讨论了泵浦光及振荡光的空间分布变量、晶体长度和透射率对输出功率的影响。
The effect on output power of distribution of space variation, crystal length and transmissivity has been discussed in detail.
因此通过改变端面抽运功率的比例，提高光束质量，并实现对振荡光的控制。
Therefore, the beam quality can be improved and the oscillation light can be controlled by changing the proportion of the end-pumping power.
结果表明，选择合适的参量，我们可以找到保真度平均值较大，振荡幅度较小的光场态。
It is shown that we can find light field state with larger average fidelity and smaller oscillation amplitude by selecting the appropriate parameters.
在显微物镜的成象光路中，增加一块振荡反射镜，使被测线宽的放大象相对窄缝扫描，将光学边界信息转变为梯形电脉冲。
Bying adding an oscillator mirror in the imaging path, thus the enlarged image will be scanned by the narrower slit, and the optical boundary information is converted into gradient electrical pulse.
本实用新型涉及一种双向泵浦脉冲光参量振荡放大装置。
The utility model relates to a double-way pumping source pulse optical parameter oscillating amplifying device.
光回馈调制了激光器不同纵模的阈值增益，阈值增益最低的纵模获得振荡。
The threshold gains of different longitudinal modes are modulated by optical feedback. The mode which has the lowest threshold gain can oscillate.
设计了一种基于剪切模式振荡的光纤光调制器。
A new optical fiber signal modulator based on the shear mode oscillation is designed.
该设计也适合于在光纤通信用激光模块、光放大器、微型精密黑体以及高性能晶体振荡器等方面的应用。
Appropriate applications for this approach include fiber optic laser module, photon amplifier, precision miniaturized black body and high-performance crystal-oscillator.
根据离轴多程放大系统的光路特点，对产生谐振腔最可能的光路部分进行了自激振荡形成条件的分析，根据分析结果并结合实际情况采取了一些抑制自激振荡的措施。
Based on the character of off-axis and multi-pass amplification systems, the possibilities are analyzed that some part of the line could form optical oscillator and occur self-excitation oscillation.
从速率方程出发，根据泵浦光和振荡光的场分布函数，进行了简单的数值模拟，模拟结果与实验结果能够较好的吻合。
Staring from the rate-equation theory , according to the field distribution function , some simple mathmatical simulations are made which meet the experiment better.
但由于光场与原子的纠缠和退纠缠速率加快，密度算符间距在每个周期内振荡加剧。
But due to the rate of disentanglement and entanglement between atom and field becomes more rapid, the distances oscillate more rapidly within each period.
本章分别介绍了激光器的模式理论、速率方程的理论、泵浦光和振荡光的空间分布以及对单频检测装置。
This chapter introduced the theory of laser mode, the rate equation theory, the spatial distribution of the pump laser and the oscillating laser and the single frequency detection device.
泵浦光与振荡光的空间分布，对于基横模的运转是非常必要的；
The spatial distribution of the pump laser and the oscillating laser is very important for the operation of single transverse.
初步对“振荡现象”进行了实验研究，认为光电探测器的输出存在振荡现象并不是由于激光器出光功率不稳定引起的。
Some experimental study on the vibrating phenomenon has been done primarily. We conclude that the output of laser is stable and the reason of vibrating phenomenon isn't the unstable incident laser.
所述精确定时型太阳能光伏控制器包括微处理器、开关电路、晶体振荡器、定时器。
The accurate timing-type solar photovoltaic controller comprises a microprocessor, a switching circuit, a crystal oscillator and a timer.
结果表明，三阶色散会引起光脉冲形状发生畸变，会在其前沿或后沿附近形成非对称的振荡结构。
The results show that the third-order dispersion generates distortion to the optical pulse shape with an unsymmetrical structure at the front or back edge.
随相干光场平均光子数的增加粒子数反转的振荡频率增大；
With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly.
泵浦半径越大，振荡光初始光子数横模结构波动引起的输出脉冲峰值功率波动越大；
The greater the pumping radius is, the greater the fluctuation of output pulse peak power caused by the fluctuation of oscillating light initial photon number mode distribution will be;
泵浦半径越大，振荡光初始光子数横模结构波动引起的输出脉冲峰值功率波动越大；
The greater the pumping radius is, the greater the fluctuation of output pulse peak power caused by the fluctuation of oscillating light initial photon number mode distribution will be;
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