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一种新颖的全光型表面原子(分子)漏斗
  • 期刊名称：《物理学报》, 56 (4), 2061-2066 (2007)
  • 时间：0
  • 分类：O562[理学—原子与分子物理;理学—物理]
  • 作者机构：[1]南通大学理学院,南通226007, [2]华东师范大学物理系,光谱学与波谱学教育部重点实验室,上海200062, [3]东华理工学院物理系,抚州344000
  • 相关基金：国家自然科学基金（批准号：10674047,10434060）和江苏省高等学校自然科学基金（批准号：04EJB140109）资助的课题.
  • 相关项目：冷分子光学的探索
关键词： 原子漏斗, 分子漏斗, 光学偶极势, 原子芯片, atomic funnel, molecular funnel, optical dipole potential, atom chip
中文摘要：

提出了一种产生全光型表面原子（分子）漏斗的新方案．采用红失谐高斯激光束照明由柱面透镜组成的光学系统，可在透镜焦平面附近产生横向漏斗形光强分布，以构成一表面光波导型原子漏斗．计算了漏斗的光强分布及其光学偶极势与偶极力分布．研究结果表明：该原子漏斗可用于冷原子（分子）的表面光波导、分束器和干涉仪以及微阱囚禁的有效装载，因而在集成原子光学及其原子芯片的研究中有着重要的应用．

英文摘要：

We propose a novel scheme to build an all-optical surface atomic （or molecular） funnel using an optical system consisting of three cylindrical lenses, which can be used to produce a funnel-shaped intensity distribution near the focal plane of the last lens when the optical system is illuminated by a red-detuned Gaussian laser beam. We calculate the corresponding intensity distribution, the optical dipole potential and its dipole force for 23 Na atoms. Our study shows that the proposed atom （or molecular） funnel can be used for the efficient loading of cold atoms in the surface optical guid, beam splitter and interferometer and surface microtrap, and so on. So our funnel has important applications in the integrated atom optics and its atom chip.

同期刊论文项目
冷分子光学的探索
期刊论文 214 著作 1
全光型集成原子光学及其原子芯片与新颖光学晶格
期刊论文 54
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