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原子激光     
相关语句
  atom laser
     Atom laser gyroscope
     原子激光陀螺
短句来源
     Propagation of the Transverse Separable Atom Laser Beam
     横向可分原子激光的传输
短句来源
     Theoretical Foundation of Atom Laser and its Realization
     原子激光的理论基础和实现
短句来源
     Effects of Correlation between Noises on the Spectral Density of Atom Laser
     噪声间关联对原子激光谱密度的影响
短句来源
     Influence of Interaction Among Atoms on Squeezing Properties of Two-Mode Atom Laser
     原子间相互作用对双模原子激光压缩性质的影响
短句来源
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  atomic laser
     ABCD Formulation of Atomic Laser Propagation
     原子激光传输的ABCD形式
     Preparation of Two-mode Atomic Laser via Interaction of Two-mode Field and Bose-Einstein Condensate of V-type Three-level Atoms
     利用V型三能级原子玻色-爱因斯坦凝聚体与双模压缩光场相互作用制备双模原子激光
短句来源
     We have studied the quantum dynamic behavior of system of two-mode squeezed field interacting with Bose-Einstein condensate of V-type three-level atoms, and analyzed the possibility of preparation of two-mode atomic laser via interaction of two-mode field and Bose-Einstein condensate of V-type three-level atoms.
     研究了V型三能级原子的玻色-爱因斯坦凝聚体(BEC)与双模压缩相干态光场相互作用系统的量子动力学行为,分析了利用V型三能级原子BEC与双模压缩相干态光场相互作用制备双模原子激光的可能性。
短句来源
     The results show that the fluctuations of two quadrature components of the atomic laser can be squeezed and the interaction between atoms in BEC is disadvantageous to the squeeze of atomic lasers.
     结果表明 :原子激光的两正交分量的涨落均可压缩 ,玻色 -爱因斯坦凝聚体中原子间的相互作用不利于原子激光的压缩 .
短句来源
     The G criterion formerly used for self terminating transition in pulsed discharge excited metal vapor laser is successfully extended from neutral atomic laser media to single ionic laser media.
     将先前提出的放电激励金属蒸气自终止类型激光器高效运转的补充判据 (G判据 )从应用于中性原子激光介质推广至一价离子激光介质 ,取得了圆满的成功 .
短句来源
更多       
  atom laser beam
     Propagation of the Transverse Separable Atom Laser Beam
     横向可分原子激光的传输
短句来源
     The Propagation and Manipulation of the Atom Laser Beam
     原子激光的传输和控制
短句来源
     Actually, the atom laser beam with the transverse independent of gravitate direction is included in the conservative system.
     本章讨论在忽略了原子间的相互作用情况下,横向可分原子激光的传输,这个问题实际上仍属于品质因子守恒系统的范畴。
短句来源
     The propagation of the atom laser beam is discussed during the interacting with Bose-Einstein condensation (BEC), the propagation with the trap on and the free propagation with the trap off whose potential can be separated by x and y.
     本文讨论原子激光在从玻色爱因斯坦凝聚体 (BEC)中穿出过程 ,在磁化捕获器打开情况下的传输 ,以及在自由空间的传输这三个满足横向势能可分且各横向品质因子守恒条件的过程中ABCD形式的传播子。
短句来源
     The compare between the atom laser and the optical laser is also represented, which is the foundation of the propagation of an atom laser beam.
     比较了原子激光和激光之间的差异,为进一步选择适当的方法来研究原子激光的传输奠定了基础;
短句来源
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  atomic lasers
     Influence of the interaction between atoms on the squeezing of light field and atomic lasers
     原子间相互作用对光场和原子激光压缩性质的影响
短句来源
     Influence of the interaction between atoms on the squeezing properties of atomic lasers
     原子间相互作用对原子激光压缩性质的影响
短句来源
     The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein's theory. The threshold temperature, ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca, Sr, and Ba atomic vapor lasers with different tube radii.
     根据Holstein理论研究了碱土金属原子激光中的共振辐射俘获效应,分别计算了Ca,Sr和Ba蒸气激光在不同半径时产生共振辐射俘获效应的阈值温度、基态粒子数密度和共振能级的有效寿命.
短句来源
     The results show that the fluctuations of two quadrature components of the atomic laser can be squeezed and the interaction between atoms in BEC is disadvantageous to the squeeze of atomic lasers.
     结果表明 :原子激光的两正交分量的涨落均可压缩 ,玻色 -爱因斯坦凝聚体中原子间的相互作用不利于原子激光的压缩 .
短句来源
     The influence of the interaction between atoms in the BEC on the squeezing properties of light field and the atomic lasers is studied.
     对于原子激光的压缩效应,ε的取值对原子激光的压缩效应有明显的影响。
短句来源
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  atom laser
Single-atom laser: Coherent and nonclassical effects in the regime of a strong atom-field correlation
      
This behavior, which is reminiscent of conventional optical and cavity-QED lasers, suggests the name fermionic atom laser for this device.
      
Generation of compressed sub-poisson Bose condensate by an atom laser
      
The dynamics of Bose-condensate generation by a cw atom laser with simultaneous stimulated evaporative cooling in a magnetic trap was analyzed using a quantum-mechanical master equation.
      
The model of the atom laser includes irreversible processes of incoherent trap mode pumping and spontaneous atomic transitions due to the interaction of the atomic ensemble with heat reservoirs.
      
更多          
  atomic laser
Quantum dynamics and statistics of a Bose condensate generated by an atomic laser
      
A self-consistent quantum theory is developed for an atomic laser utilizing cooling of atoms in a trap by the method of stimulated evaporation.
      
The coherence and spectra of a Bose condensate generated by an atomic laser
      
The first-order coherence dynamics of a Bose condensate generated by a cw atomic laser with evaporative cooling is analyzed.
      
Elastic collisions in the trapped atomic gas lead to significant broadening of the atomic laser line, a shift of its center, and a multi peak structure of the spectra.
      
更多          
  atom laser beam
Unlike the case of rotating wave approximation(RWA), we show that the non-classical properties, such as sub-Poisson distribution and quadrature squeezed effect, can appear in the output atom laser beam with time.
      
We describe the measurement of the line width of an atom laser beam extracted from a Bose-Einstein condensate.
      
Using a novel magnetic resonance imaging technique, we find that the energy width of the atom laser beam is Fourier-limited by the duration of the output-coupling process.
      
Both an atom laser beam and a pseudo-thermal atomic beam are extracted from a Bose-Einstein condensate and the atom flux is measured with a single atom counter.
      
It is these departing atoms, still enjoying the coherent properties of the BEC state, that constitute an atom laser beam.
      
  atomic lasers
Possible applications for Bose-condensate diagnostics and development of atomic lasers are proposed.
      
Atomic lasers, on the other hand, achieve power amplification through the stimulated transitions of atomic electrons to a lower energy state.
      
  其他


In this paper we present a method to judge the stability of laser traps for trapping neutral atoms of gas. Using the method we prove theoretically that the bi-Gaussian light beam trap can be stable in trapping neutral (two-level) atoms of gas along the beam axis. We also discuss the stability of a throe-dimensional spatial trap which is formed by three bi-Gaussian light beam traps with the same structure but perpendicular cross.

本文提出一种判定用于捕陷中性气态原子激光陷阱稳定性的方法,从理论上证明了双高斯光束陷阱在轴向对中性气态(二能级)原子的捕陷可以是稳定的。讨论了用三组结构相同但互相垂直相交的双高斯光束陷阱构成的三维立体陷阱的稳定性。

The laser-enhanced ionization spectroscopy(LEIS) behavior of lithiumin flame was studied. By making use of the transition 22P1/2,3/2→32D3/2;5/2 of lithium atoms, the effect of laser position, flowrate of acethylene, voltage of cathode, acidity of sample solution and existence of sodium and potassium on the LEIS signal of lithium was examined.

报导了对火焰中锂原子的激光增强电离光谱(LEIS)行为的研究.利用锂原子的2~2P_(1/2,3/2)→3~2D_(3/2,5/2)激发过程,对改变激光通过火焰位置、乙炔流量、阴极电压、溶液酸度和钾、钠存在时对锂原子的激光增强电离光谱的影响,进行了实验和初步探讨.

Sodium atoms in flame can be resonantly excited by pulsed tunable dye laser.The LEIS of sodium in various concentration were measured, the practical detection of sodium was shown to be 10~(-11)g/ml

用脉冲可调谐染料激光共振激励火焰中的钠原子。通过测量钠原子的激光增强电离光谱(LEIS)信号进行钠原子的灵敏检测,实际的检测限可达10~(-11)g/ml。

 
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