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激光冷却原子
相关语句
  laser cooling of atoms
     New Mechanisms for Laser Cooling of Atoms
     激光冷却原子新机制
短句来源
     The system has significant practice value of the object recognition , atmosphere supervising and laser cooling of atoms etc.
     该系统在目标识别、大气环境监测、激光冷却原子等应用中具有重要的价值。
短句来源
  laser cooling of an atomic
     LASER COOLING OF AN ATOMIC BEAM WITH HIGH EFFICIENCY
     高效率激光冷却原子
短句来源
  “激光冷却原子”译为未确定词的双语例句
     The system has significant value of theory and practice at the object recognition , polarization control,atmosphere supervising , laser cooling atom etc.
     该系统研究在目标识别、偏振控制、大气环境监测、激光冷却原子等应用方面具有重要的理论和实践价值。
短句来源
     The experimental and theoretical researchof laser cooling and trapping of atoms has become a vigorous branch of physics from 1985when laser cooling and trap atoms become realized by S.chu's science team.
     自1985年S. chu小组首次在实验上实现激光冷却原子以来,关于激光冷却原子和囚禁原子的实验研究和理论探讨成为物理学者研究的热点之一.
短句来源
     The stability of the cooling-atom is basic problem in experiments, and in microwavecavity use laser to cool atoms is the ways in common use.
     保证激光冷却原子的持续稳定是实验中的根本问题,而利用腔体激光冷却原子是实验的常用方法。
短句来源
     This article reviews the development of laser cooling in dilute atomic gas in the last 20 years and summarizes every kind of laser cooling mechanism. We also introduce some important achievements of ultracold atom physics in quantum physics and in application of high technology,including Bose-Einstein condensate in dilute atomic gases,atomic clock and atom interferometry.
     这篇文章回顾了近20以来激光冷却原子气体的发展历史,同时概述了激光冷却的各种物理机制,还介绍了超冷原子物理在量子物理学和高科技应用中所取得的重要成就,包括气体原子的玻色-爱因斯坦凝聚、原子钟和原子干涉仪。
短句来源
     The laser frequency is stabilized by absorption spectrum line of atoms in magnetic field. We show that magnetic field can be added up to 10-2T.
     在我们的系统中磁场可以加到10-2特斯拉量级,谱线的分裂在102MHz量级,可以满足激光冷却原子实验中移频的需要。
  相似匹配句对
     New Mechanisms for Laser Cooling of Atoms
     激光冷却原子新机制
短句来源
     UV laser cooling of magnesium atomic beam
     紫外激光冷却原子
短句来源
     Laser Cooling and Trapping for the Neutral Atoms
     激光冷却和囚禁中性原子
短句来源
     LASER COOLING OF AN ATOMIC BEAM WITH HIGH EFFICIENCY
     高效率激光冷却原子
短句来源
     LASER COOLING AND NEUTRAL ATOM TRAPPING
     激光冷却和捕陷中性原子
短句来源
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  laser cooling of atoms
The influence of momentum diffusion on laser cooling of atoms
      
Laser cooling of atoms in optical lattices including quantum statistics and dipole-dipole interactions
      
We present results of a study of frequency stabilization of a diode laser (λ = 780 nm) using the Doppler-free dichroic lock (DFDL) technique and its use for laser cooling of atoms.
      
Such a situation happens in the recently demonstrated laser cooling of atoms by velocity selective coherent population trapping.
      


We summarize the latest developments in laser cooling, with emphasis on the physical principles underlying polarization gradient cooling, magnetic field induced cooling and velocity-selective coherent population trapping. The new mechanisms are compared with the traditional one.

本文综述了激光冷却原子的研究新进展,着重从物理图象上介绍了偏振梯度冷却、磁感应冷却和速度选择相干粒子数捕陷等新机制.文中还将新的冷却机制和传统冷却机制进行了对比.

This article analyzes the phase diagram of 4 He and λ phase transition of liquid 4 He. Discusses the sorts of the phase transition with vavious temperature and pressure. Indicates the fundamental cause about liquid 4 He named after quantum liquid. Introduces basic properties of HeⅠ, such as viscosity coefficent,thermal conductivity, absorption coefficent of sound, and studies with condensed gas model, then to elaborate on the abnormal properties of HeⅡ, Superfluiclity is the most important in all. In addition,...

This article analyzes the phase diagram of 4 He and λ phase transition of liquid 4 He. Discusses the sorts of the phase transition with vavious temperature and pressure. Indicates the fundamental cause about liquid 4 He named after quantum liquid. Introduces basic properties of HeⅠ, such as viscosity coefficent,thermal conductivity, absorption coefficent of sound, and studies with condensed gas model, then to elaborate on the abnormal properties of HeⅡ, Superfluiclity is the most important in all. In addition, introduces also some related adoanced applications, for example, superconductionity, atoms cooled by laser,quantum Hall Effect,etc.

分析了4He的相图和液体4He的λ相变 ,讨论了在不同的温度和压强下相变的类型 ,指出了液体4He被称为量子液体的基本原因 ,介绍了HeⅠ的基本特性 ,如粘滞系数、热导率 ,对声波的吸收系数 ,以及凝聚气体模型。阐述了HeⅡ的反常特性 ,其中最重要的是超流动性 ,另外 ,还介绍了与液体4He相关的几种前沿应用 ,如超导电性 ,激光冷却原子和量子霍耳效应等

Based on theory of wave particle duality,the principal and method about making random nano-pattern by Ne atom hologram are studied. This technology can make up the disadvantage of only being able to make the periodic nano-pattern such as the single line or dot etc.when using laser gradient field to control atoms' movement to accumulate on the silicon slice.Analyzing the difference of atom hologram and optical hologram, we point out that only the laser cooling atoms can satisfy the coherent and diffract conditions...

Based on theory of wave particle duality,the principal and method about making random nano-pattern by Ne atom hologram are studied. This technology can make up the disadvantage of only being able to make the periodic nano-pattern such as the single line or dot etc.when using laser gradient field to control atoms' movement to accumulate on the silicon slice.Analyzing the difference of atom hologram and optical hologram, we point out that only the laser cooling atoms can satisfy the coherent and diffract conditions required by the hologram technology. A piece of Ne atom computer generated hologram (CGH) with Lohmann Ⅲ coding is designed and a experiment system of making random nano-pattern by controlling Ne atom beam is presented.

从波粒二象性原理出发 ,研究了用氖原子束计算全息技术制作任意纳米结构的基本原理和方法 ,克服了用激光梯度场控制原子堆积 ,只能制作单一点、线等周期性纳米结构的不足。分析讨论了原子全息与光学全息的区别 ,指出只有经激光冷却的原子束才满足全息技术所要求的相干条件和衍射条件。最后采用罗曼Ⅲ型迂回位相编码方法设计了氖原子束计算全息片 ,介绍了操纵氖原子束制作纳米任意结构的实验系统

 
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