1) coherent population transfer
相干布居迁移
1.
Quantum coherent and interference have led to many interesting and significative consequences such as coherent population transfer (CPTR), coherent population trapping (CPTP), amplification without population inversion (AWI) and superluminal, etc.
量子相干和干涉产生了很多有趣而又有意义的结果,如相干布居迁移(CPTR),相干布居囚禁(CPTP),无反转放大(AWI),以及超光速(Superluminal)等等。
2) coherent population oscillation
相干布居数振荡
1.
The slowdown of light resulting from dramatic change of refractive index by spectra hole which is produced by coherent population oscillation is investigated in a ruby crystal at 514.
5nm)单光束入射到红宝石晶体中,用相干布居数振荡效应产生烧孔。
3) coherent population trapping
相干布居囚禁
1.
Based on the model of the Λ-type three-level atomic system,the coherent population trapping(CPT) phenomenon is analyzed by semi-classical density matrix approach.
在Λ型三能级原子系统模型的基础上,采用半经典的密度矩阵方法分析了87Rb气体的相干布居囚禁现象。
2.
Based on the model of the Λ-type three-level atomic system,the impact of laser parameters on the CPT signals of rubidium atomic clock is analyzed by using the semi-classical density matrices approach in order to make a concrete analysis of the influence of laser parameters upon the stability performance of the CPT(coherent population trapping)atomic clock,and the comparison is presented.
为具体分析激光参量对相干布居囚禁(CPT)原子钟的稳定度性能的影响,在Λ-型三能级原子系统模型的基础上,采用半经典密度矩阵方法,数值模拟计算了不同激光参量对CPT铷原子钟共振谱线信号的影响,并给出了比较分析。
3.
We present the locking laser frequency on a Doppler absorption peak for the small size coherent population trapping (CPT) atomic frequency standard by using digital control circuit with a field-programmable gate array (FPGA) core.
介绍了为实现小型化相干布居囚禁(CPT)原子频标的激光频率锁定,用以现场可编程门阵列(FPGA)为核心的数字控制电路将激光频率锁定在多普勒吸收峰的工作。
4) Coherent population trapping
相干布居数囚禁
1.
We present theoretical analysis and experimental results of coherent population trapping within Zeeman sublevels of rubidium under Hanle configuration, and bichromatic dark states are firstly observed in the experiment.
本论文从理论和实验角度阐述了铷原子Hanle构型下塞曼子能级相干布居数囚禁实验,首次在实验过程中发现了双暗态结构。
5) coherent population trapping
相干布居俘获
1.
This is a coherent population trapping phenomenon which cannot be accounted for with the convential models.
外场作用下,对称双势阱中将发生相干布居俘获现象。
2.
It is realized that coherent population trapping (CPT) and electromagnetically induced transparency (EIT) are modulated by coherent phase modulation in a V type atomic system excited by delay time laser pulses; the modulation period can reach femto second order if the proper energy levels are selected.
在延迟脉冲激光场作用下的V型原子系统中 ,实现了对相干布居俘获 ,电磁感应透明的相干相位调制 ,选择适当的能级其调制频率可以达到飞秒量级 。
6) coherent population trapping
相干布居捕获
1.
Atom coherence and quantum interference have led to many interesting optical phenomena such as coherent population trapping (CPT), electromagnetic-induced transparency, laser without inversion and control of spontaneous emission.
原子相干和量子干涉已经引起许多有趣的光学现象,例如相干布居捕获、电磁诱导透明、无反转激光、以及自发辐射的控制等等。
2.
The atomtic coherence effects has one of the important forward subjects in laser physics and quantum optics, recent studies has shown that the quantum coherence and interference has led to a lot of new effects such as electromag-netically induced transparency, coherent population trapping, switching from subluminal propagation to superluminal propagation, etc.
本文研究了原子相干效应:一是在单个相干泵浦场驱动的近简并V系统中获得慢光速到超光速的转换,二是在不满足相干布居捕获条件下,我们可以在A系统和级联系统里获得有效的参量放大。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条