Generation of sub-half-wavelength micro-optical traps by dichroic evanescent standing waves |
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| Authors: | Zhang Jing Zhang Tian-Cai Wang Jun-Min and Peng Kun-Chi |
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| Affiliation: | State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China |
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| Abstract: | 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. |
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| Keywords: | evanescent wave optical dipole
trap |
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