期刊
OPTICS LETTERS
卷 40, 期 24, 页码 5834-5837出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.005834
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资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [312376/2013-8, 313153/2014-0, 476805/2012-0]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [09/11429-2, 11/51200-4, 13/26437-6]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [13/26437-6, 09/11429-2] Funding Source: FAPESP
In recent times, we experimentally realized quite an efficient modeling of the shape of diffraction-resistant optical beams, thus generating for the first time the so-called frozen waves (FW), whose longitudinal intensity pattern can be arbitrarily chosen within a prefixed space interval of the propagation axis. In this Letter, we extend our theory of FWs, which led to beams endowed with a static envelope, through a dynamic modeling of the FWs whose shape is now allowed to evolve in time in a predetermined way. Further, we experimentally create such dynamic FWs (DFWs) in optics via a computational holographic technique and a spatial light modulator. Experimental results are presented here for two cases of DFWs, one of zeroth order and the other of higher order, the latter being the most interesting exhibiting a cylindrical surface of light whose geometry changes in space and time. (C) 2015 Optical Society of America
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