Vector vortex beams(VVBs)have garnered significant attention in fields such as photonics,quantum information processing,and optical manipulation due to their unique optical properties.However,traditional metasurface f...Vector vortex beams(VVBs)have garnered significant attention in fields such as photonics,quantum information processing,and optical manipulation due to their unique optical properties.However,traditional metasurface fabrication methods are often complex and costly,limiting their practical application.This study successfully fabricated an all-dielectric aluminum oxide metasurface capable of achieving longitudinal variation using 3D printing technology.Experimental results demonstrate that this metasurface generates longitudinally varying VVBs at 0.1 THz,with detailed characterization of its longitudinal intensity distribution and vector polarization states.The high consistency between experimental and simulation results validates the effectiveness of 3D printing in metasurface fabrication.The proposed metasurface offers promising applications in optical polarization control and communication,providing,to our knowledge,new insights and technical support for related research.展开更多
Introduction Highly technique-demanding liver resections(LRs)associated with multiple vascular reconstructions under total vascular exclusion(TVE)with/without hypothermic perfusion or using extracorporeal approaches(a...Introduction Highly technique-demanding liver resections(LRs)associated with multiple vascular reconstructions under total vascular exclusion(TVE)with/without hypothermic perfusion or using extracorporeal approaches(ante situm,ex situ)have been incorporated within the scope of extreme liver surgery(1,2).From our perspective,in situ liver resection under venovenous bypass(LR-VVB)or venoarterial bypass(LR-VAB),adjunct to TVE,also qualifies as extreme liver surgery.To comprehend this,understanding their current technical foundations is necessary.展开更多
基金National Natural Science Foundation of China(U24A20307,62175224)Science and Technology Innovation Leading Talent Project of Special Support Plan for High-level Talents in Zhejiang Province(2021R52032).
文摘Vector vortex beams(VVBs)have garnered significant attention in fields such as photonics,quantum information processing,and optical manipulation due to their unique optical properties.However,traditional metasurface fabrication methods are often complex and costly,limiting their practical application.This study successfully fabricated an all-dielectric aluminum oxide metasurface capable of achieving longitudinal variation using 3D printing technology.Experimental results demonstrate that this metasurface generates longitudinally varying VVBs at 0.1 THz,with detailed characterization of its longitudinal intensity distribution and vector polarization states.The high consistency between experimental and simulation results validates the effectiveness of 3D printing in metasurface fabrication.The proposed metasurface offers promising applications in optical polarization control and communication,providing,to our knowledge,new insights and technical support for related research.
基金supported by grants from the Beijing Hospitals Authority Youth Program(No.12022B4010)BTCH Young Talent Enlightenment Program(No.2024QMRC24).
文摘Introduction Highly technique-demanding liver resections(LRs)associated with multiple vascular reconstructions under total vascular exclusion(TVE)with/without hypothermic perfusion or using extracorporeal approaches(ante situm,ex situ)have been incorporated within the scope of extreme liver surgery(1,2).From our perspective,in situ liver resection under venovenous bypass(LR-VVB)or venoarterial bypass(LR-VAB),adjunct to TVE,also qualifies as extreme liver surgery.To comprehend this,understanding their current technical foundations is necessary.
