Optical gradient force of cosh-Gaussian with sine-azimuthal and half-space phase modulation

• Autorzy: Fu R. , Gao X. , Shen H. , Xin Q , Lu X. , Guo L.

Identyfikatory

DOI

10.5277/oa130408

• Języki publikacji: EN

Abstrakty

EN

The optical gradient force distributions in focal plane of cosh-Gaussian beams with sine-azimuthal variation wavefront and half space phase modulation were investigated. Results show that optical gradient force distributions can be affected considerably by the phase retardation of half-space phase modulation, of a phase parameter that indicates the phase change frequency on an increasing azimuthal angle, and beam parameters in cosh terms of the incident beams. Many gradient force patterns occur, including cross-shape, multiple optical trap arrays, multiple-trap wheel, and many kinds of gradient force lines and curves. Symmetry of the whole gradient force pattern can also be altered remarkably. Above results may find wide applications in optical trapping systems.

Słowa kluczowe

EN

optical gradient force; cosh-Gaussian beams; wavefront modulation

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2013
• Tom: Vol. 43, nr 4
• Strony: 719--730
• Opis fizyczny: Bibliogr. 32 poz., rys.

Twórcy

autor

Fu R.

• Electronics & Information College, Hangzhou Dianzi University, Hangzhou 310018, China

autor

Gao X.

• Electronics & Information College, Hangzhou Dianzi University, Hangzhou 310018, China
• Key Laboratory of RF Circuit and System (Hangzhou Dianzi University), Ministry of Education, Hangzhou 310018, China

autor

Shen H.

• China Jiliang University, Hangzhou 310018, China

autor

Xin Q

• Electronics & Information College, Hangzhou Dianzi University, Hangzhou 310018, China

autor

Lu X.

• Electronics & Information College, Hangzhou Dianzi University, Hangzhou 310018, China

autor

Guo L.

• Electronics & Information College, Hangzhou Dianzi University, Hangzhou 310018, China

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