方位偏振双环形光束紧密聚焦产生多焦孔段

Q3 Materials Science

Journal of Water and Environmental Nanotechnology Pub Date : 2022-01-11 DOI:10.13074/jent.2013.02.nciset36

N. Veerabagu Suresh, R.C. Sarasvathi, Haresh M. Pandya, K.B. Rajesh

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引用次数: 0

摘要

基于矢量衍射理论，从理论上研究了相位调制对TEM11模方位角偏振拉盖尔-高斯光束在高毫米波透镜焦区的强度分布的影响。结果表明，设计合理的复相位滤波器可产生多个焦孔段，并可用于光阱的操纵。

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Generation of multiple focal hole segment by tight focusing of azimuthally polarized double ring shaped beam

Based on the vector diffraction theory, the effect of phase modulation on the intensity distribution of TEM11 mode azimuthally polarized Laguerre-Gaussian beam in the focal region of high NA lens is investigated theoretically. It is observed that a properly designed complex phase filter can generate multiple focal hole segment and it is useful for the manipulation of optical traps.

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来源期刊

Journal of Water and Environmental Nanotechnology Materials Science-Materials Science (miscellaneous)

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

8 weeks