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Speed of structured light pulses in free space
A plane monochromatic wave propagates in vacuum at the velocity c. However, wave packets limited in space and time are used to transmit energy and information. Here it has been shown based on the wave approach that the on-axis part of the pulsed beams propagates in free space at a variable speed, ex...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Nature Publishing Group UK
2019
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6892910/ https://www.ncbi.nlm.nih.gov/pubmed/31798008 http://dx.doi.org/10.1038/s41598-019-54921-5 |