激光是指受激辐射光放大的排放量。
LASER significa Light Amplification by Stimulated Emissions of Radiation.
产生激光的过程是受激辐射的光放大过程。
The process which produces laser is that of light enlargement of excited radiation.
分别考虑了吸收、自发辐射和受激辐射诸情况。
The absorption, spontaneous emission and stimulated emission are discussed respectively.
激光，激光器，受激辐射式光放大器LASER ？
光和固体中电子的相互作用基本上有三个过程；吸收，自发辐射和受激辐射。
There are basically three processes for interaction between a photon and an electron in a solid: absorption, spontaneous emission, and stimulated emission.
本文介绍了爱因斯坦的受激辐射理论，阐述了受激辐射的特性和激光辐射的特性。
After a brief description of the Einstein, s theory of stimulated emission the characteristics of stimulated emission and of laser emission are described.
并指出激光的基本特点是高光子简并度。激光的特性是由受激辐射的本质决定的。
It is shown that the basic of a laser lies in its high photon degeneracy and are governed by the nature of stimulated emission.
本文报道锂蒸气中由双光子泵浦所产生的位于紫外、可见和红外区的相干和受激辐射。
This paper reports the generation of the coherent and stimulated radiation in UV, visible and infrared regions by two-photon pumping.
这些受激辐射分别来自单重态的跃迁、三重态间的跃迁以及单-三重态间的辐射跃迁。
These stimulated lines are from radiative transitions between singlet states, triplet states and singlet-triplet states respectively.
证实了在低原子浓度下探测受激辐射的可能性，并估计了用受激辐射信号检测杂质的可能性。
The possibility of the stimulated radiation at the low atomic density is demonstrated, and the possibility of impurity examination by means of stimulated radiation signals is estimated.
本文报道了在两束不同频率、不同传播方向的光束作用于二能级原子的受激辐射压力的数值结果。
Numerical results are reported of a model of the stimulated radiation force on a two-level atom, which is excited by two laser fields of different frequencies.
给出了转移到受激辐射、非受激辐射、腔损耗、三重态吸收等方面的能量与腔内光子寿命的关系。
The dependences of energy transfer to stimulated emission, non-stimulated emission, the loss in the cavity and the absorption in the triplet etc on the photon life-times are given.
速率方程表征的是原子的自发辐射、受激辐射和受激吸收几率的基本关系，是进行理论计算的根本；
The rate equation theory researches the basic relation of the atomic spontaneous emission, stimulated emission and stimulated absorption, and it is the fundamental theoretical calculations.
在1917年论文发表后的几十年内，有些文献曾零零星星地提到产生受激辐射，但这些想法都没有被进一步研究。
In the decades after the 1917 paper, sporadic references to creating stimulated emission appeared, but none of the ideas were pursued.
本文计算了在平衡自场、线性摆动器场和轴向磁场作用下的电子轨道，并由此求得有线性摆动器的自由电子激光器的自发辐射和受激辐射。
The orbits of an electron in self-fields, linear wiggler and axial fields are calculated. Then the spontaneous emission coefficient and the growth rate of the stimulated scattering are obtained.
回旋管是一类基于电子回旋谐振受激辐射机理的快波器件，工作频率范围宽，特别是在毫米和亚毫米波段，能产生高脉冲峰值功率与连续波功率。
The fast wave device gyrotron is base on the radiation theory which is excitated by electrons cyclotron resonance. Its frequency is very high especially at the millimeter and sub-millimeter wave band.
本文对自由电子受激辐射器件与电子直线加速器中的电子注与电磁场的相互作用进行了量子力学分析，认为电子注的电子结构应由束缚电子对组成。
This paper gives a quantum mechanical analysis of the interaction between the electromagnetic field and the electron beam of free electron stimulated emission devices or linear electron accelerator.
利用有限元软件AN SY S和声学边界元软件SY SNO ISE对U型管道结构的受激振动与辐射声场进行分析。
Vibrations of an excited U-shape pipe and its radiation field are investigated by using FEM software ANSYS and acoustic BEM code SYSNOISE.
某些受激的原子会发生辐射性退激。
利用有限元、边界元和统计能量分析方法并结合软件对圆柱壳体在流场中受激振动及声辐射效率作了数值计算分析研究。
Numerical analysis of vibration and sound radiation efficiency from a submerged cylindrical shell has been carried out by using FEM methods, BEM methods and statistical energy methods.
讨论了利用混合介质受激布里渊散射效应调谐激光频率和产生可调谐相干声辐射的可能性及意义。
The significance and possibility of the use of stimulated Brillouin scattering of a mixed liquid media in tuning laser frequency and generating tunable coherent ultrasonic radiation are discussed.
本文研究理想流体中薄质球壳受激振动辐射声波的非线性传播。
This paper deals with the non-linear propagation of sound waves radiated by a thin spherical shell vibrating in ideal fluid.
光和物质的相互作用引起了许多我们所熟知的现象，例如吸收、散射、自发(受激)辐射等。
The interaction of light with matter gives rises to a wide range of phenomena that we are familiar with, such as absorption, scattering, and spontaneous or stimulated emission.
受激喇曼散射可以将紫外准分子激光辐射频移到特定的近紫外和可见光波长。
Stimulated Raman Scattering is one of the methods to shift the UV excimer laser radiation into the specific wavelengths in the near UV and visible regions.
对流场中一无限长周期环肋圆柱壳受激振动的辐射声压进行了理论和实验研究。
Sound radiation analysis of low order modes from the ring-stiffened cylindrical shells in fluid medium;
探测光相对于抽运光的延迟时间越大，离化效率越低，实用中应控制延迟时间远小于受激分子的自发辐射寿命。
The delay time ought to be smaller than the lifetime of the excited molecule in the practical use of the OODR-MPI technique.
探测光相对于抽运光的延迟时间越大，离化效率越低，实用中应控制延迟时间远小于受激分子的自发辐射寿命。
The delay time ought to be smaller than the lifetime of the excited molecule in the practical use of the OODR-MPI technique.
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