Tag: Vortex

Spatially dependent Raman gain by vortex beam in a four-level N-typed atomic system

Wang, J. et al. Terabit free-space data transmission employing orbital angular momentum multiplexing. Nat. Photonics 6, 488–496. https://doi.org/10.1038/NPHOTON.2012.138 (2012).Article  ADS …

Polar Vortex collapse set to send temperatures plunging in the US and Canada

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