期刊
OPTICS EXPRESS
卷 19, 期 11, 页码 10293-10303出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.010293
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- National Science Council of Taiwan (NSCT) [NSC96-2112-M-009-027-MY3]
We develop a novel method of creating optical vortex array by the conversion of a standing-wave Laguerre-Gaussian (LG) mode. Theoretically, by employing the transformational relation, the standing-wave LG mode is verified to be transformed from a pair of crisscrossed Hermite-Gaussian (HG) modes, embedded with optical vortex array, consists of a TEMn,m mode and a TEMm,n mode. Due to close correspondence between the transformational relation and the mode conversion of astigmatic lenses, we successfully generate the optical vortex array by transforming a standing-wave LG mode into the crisscrossed HG modes via a pi/2 cylindrical lens mode converter. The investigation may provide useful insight in the study of the vortex light beam and its further applications. (C) 2011 Optical Society of America
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