提出了纳米孔隙随机激光器的设想。
最后，介绍了随机激光器的应用前景。
文章介绍了粉末随机激光的原理及其实现过程。
This paper describes the principle and realization of random laser emission.
该结果为随机激光阈值条件的优化设计提供了依据。
All these provide important evidence for optimizing the threshold condition of random laser.
接近阈值时，只有一个寿命最长的模，出现随机激光。
There are only one mode emitting random laser with the longest lifetime as near the threshold.
对于随机激光器的理论研究是基于局域和激光物理理论。
The theoretical investigation on the random lasers is based on the localization and laser physics.
对于随机激光器的理论研究主要是基于局域化理论和激光物理理论。
The theoretical investigation on the random lasers is based on the localization theory and laser physics.
并研究了随机介质、泵浦源以及外部环境等因素对随机激光阈值特性的影响。
Additionally, the influence of such factors as disordered medium, pumping sources and external environment on the lasing threshold is discussed.
本文主要从实验、理论及数值模拟三方面对随机激光的泵浦阈值特性进行了一定的研究。
So in this thesis, the pumping threshold characteristics are studied via experiment, theoretical analysis and numerical simulation.
结果表明，与传统激光模式相似，随机激光模式的强度随抽运速率的变化不仅具有阈值特性，而且具有饱和特性。
Results show that the pumping rate dependence of the output intensity presents not only a threshold property, but also a saturation property, just like that of lasing modes in conventional lasers.
结果显示了随机激光器中辐射光能量从自发辐射开始，经历小信号增益状态得到放大，再到由于增益饱和形成稳态输出的整个演化过程；
Numerical results show how the intensity of emitted light varies from the spontaneous radiation, which undergoes amplification by small-signal gain, to the steady output due to the saturation effect.
“这种随机抖动将导致激光信号的噪音。”霍根说。
"This random jitter would cause noise in the laser light signal," says Hogan.
第二个问题就是激光光源会产生“光斑”，也就是说激光会在一个不均匀的表面发生散射，产生随机明暗斑点。
The second problem, though, is that laser light can "speckle", which is to say that when it scatters off a rough surface, a random shimmering and sparkling pattern is produced.
第二个问题就是激光光源会产生“光斑”，也就是说激光会在一个不均匀的表面发生散射，产生随机明暗斑点。
The second problem, though, is that laser light can “speckle”, which is to say that when it scatters off a rough surface, a random shimmering and sparkling pattern is produced.
结果表明此方法能有效地抑制激光陀螺的随机误差。
The results show that this method can effectively decrease the random error of laser gyro.
扩展面光源如太阳光与激光光源有明显的差异，因此它们照射到随机粗糙柱面后的散射特性也不同。
Because of obvious difference between expanding light source and laser source, it appears different scattering peculiarity while they project to a random rough cylinder.
因此，对激光通过大气随机信道远场光斑的实验测量具有十分重要的意义。
Therefore, it is very important to experimental measurement to far-field optical spot of atmospheric random channel, which can be passed by laser.
本文提出了一个描述单模染料激光光强随机变化的模型。
A new model for describing the stochastic variation of the single-mode dye laser intensity is proposed.
建立了激光通过倾斜和水平的大气随机信道的数学传输模型。
Models describing laser beam propagate through horizontal and slant atmospheric stochastic channel are built.
最后，我们模拟并讨论了两束超强圆偏振激光脉冲对等离子体中电子的随机加速问题。
Finally, some simulations and discussions on stochastic acceleration of electrons in plasma with two ultra intense circularly polarized laser pulses have been done.
本文基于随机介质中波的辐射传输理论，采用蒙特卡罗数值模拟方法，研究了激光在不同情况的大气气溶胶中的传输特性。
Based on wave radiation transmission theory in random medium and Monte Carlo numerical simulation method, the transmission characteristic of the laser in aerosol in different situations is studied.
论文中对长距离激光准直光束特性进行了较详细的实验研究和理论分析认为，影响其准直精度的三个重要因素是光源漂移、光线弯曲和随机抖动。
The maesurement errors in the laser collimation are mainly caused by the light beam drift, the light beam incurve and the light beam random tremble.
针对传统滤波方法滤除激光陀螺随机噪声性能低的特点，提出了一种改进的空域相关滤波方法。
According to poor performance in denoising laser gyro random noise by using traditional filtering methods, an improved spatial correlation filtering algorithm is presented.
各种随机噪声是激光陀螺误差的主要来源。
The various random noises are the main sources of laser gyro error.
系统研究了伪随机编码理论，并硬件实现了瞬态激光伪随机编码调制及同步图像捕捉控制电路。
The pseudo random coding theory is studied, the control circuits of pseudo random laser modulating and image capturing synchronously are designed.
结果表明基于小波包分析的滤波方法能有效减小随机误差，提高激光陀螺的测量精度。
The result shows that the filtering algorithm based on wavelet packet analysis can decrease the random error and improve the measuring precision of laser gyro effectively.
各种随机噪声是导致激光陀螺产生误差的主要因素，且其性质特殊，很难用传统的滤波方法去除。
The various random noises in laser gyro are the main factor affecting the accuracy. In accordance with the property of its noise, traditional filtering methods have many shortages.
为使星载激光高度计实现高空间分辨率，提出了一种联合采用伪随机码调制光纤激光器和单光子计数的测距方法。
A method combining pseudorandom modulation of the fiber laser and single-photon counting is proposed to realize a high spatial resolution for the space-borne laser altimeter.
系统研究了伪随机编码理论，并硬件实现了瞬态激光伪随机编码调制及同步图像捕捉控制电路。
Systemically studied pseudo random coding theory, and designed the control circuits of pseudo random laser emission and image catching synchronously.
系统研究了伪随机编码理论，并硬件实现了瞬态激光伪随机编码调制及同步图像捕捉控制电路。
Systemically studied pseudo random coding theory, and designed the control circuits of pseudo random laser emission and image catching synchronously.
应用推荐