Generation of sub-half-wavelength micro-optical traps by dichroic evanescent standing waves

• 来源期刊: 中国物理（英文版）
• 关键词: evanescent wave optical dipole trap
• 年，卷（期）: 2007,（5）
• 页码范围: 1295-1299
• 页数: 5页
• 语种: 英文

摘要

The bi-dimensional optical lattices formed by several sets of laser evanescent standing waves propagating at the surface of a dielectric prism are investigated. The characteristics of the optical traps including their depths and the sizes are analysed. It is shown that the micro-optical lattice with a sub-half-wavelength size can be achieved by the interference of the selected evanescent waves. The scheme together with the recently developed atomic chip may be used for atomic quantum manipulation.