期刊
ELECTRONICS LETTERS
卷 43, 期 2, 页码 107-108出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el:20073012
关键词
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Doughnut-shaped beams can trap low-index or non-transparent particles. It is demonstrated that a TEM01* mode beam emitted directly by a photonic-crystal (PC) laser can stably trap metal particles in two dimensions. Replacing a conventional Gaussian-beam laser with a PC laser overcomes the limits of conventional optical tweezers, thereby opening the way for novel applications.
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