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188篇 您的检索式:作者名="Adam AL"
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1Wavefront-selective Fano resonant metasurfaces显示文摘Fano resonances are conventionally understood as sharp spectral features with selectivity in the momentum-frequency domain,implying that they can be excited only by plane waves with specific frequencies and incident angles.We demonstrate that Fano resonances can be made generally selective in the spacefrequency domain.They can be tailored to resonate only when excited by a frequency,polarization,and wavefront of choice.This generalization reveals that Fano systems are characterized by eigenwaves that scatter to their time-reversed image upon reflection.Although in conventional Fano systems this trivially occurs for normally incident plane waves,we show that,in general,the selected wavefront is locally retroreflected everywhere across the device.These results show that conventional Fano resonances are a subset of a broader dichroic phenomenon with spin,spatial,and spectral selectivity.We demonstrate these concepts with nonlocal metasurfaces whose governing principles are deeply rooted in the symmetry features of quasi-bound states in the continuum.Enhanced light–matter interactions and symmetry-protection make these phenomena uniquely suited for enriching applications in quantum optics,non-linear optics,augmented reality,and secure optical communications,laying the groundwork for a range of novel compact optical sources and devices.Adam Overvig Andrea Alù 2021Advanced Photonics2021,3,2:3
2Multifunctional resonant wavefront-shaping meta-optics based on multilayer and multi-perturbation nonlocal metasurfaces显示文摘Photonic devices rarely provide both elaborate spatial control and sharp spectral control over an incoming wavefront.In optical metasurfaces,for example,the localized modes of individual meta-units govern the wavefront shape over a broad bandwidth,while nonlocal lattice modes extended over many unit cells support high quality-factor resonances.Here,we experimentally demonstrate nonlocal dielectric metasurfaces in the near-infrared that offer both spatial and spectral control of light,realizing metalenses focusing light exclusively over a narrowband resonance while leaving off-resonant frequencies unaffected.Our devices attain this functionality by supporting a quasi-bound state in the continuum encoded with a spatially varying geometric phase.We leverage this capability to experimentally realize a versatile platform for multispectral wavefront shaping where a stack of metasurfaces,each supporting multiple independently controlled quasi-bound states in the continuum,molds the optical wavefront distinctively at multiple wavelengths and yet stay transparent over the rest of the spectrum.Such a platform is scalable to the visible for applications in augmented reality and transparent displays.STEPHANIE CMALEK ADAM COVERVIG ANDREA ALÙ NANFANG YU 2022Light(Science & Applications)2022,11,9:3
3The Influence of Total Nodes Examined, Number of Positive Nodes, and Lymph Node Ratio on Survival After Surgical Resection and Adjuvant Chemoradiation for Pancreatic Cancer: A Secondary Analysis of RTOG 9704显示文摘Timothy N. Showalter Kathryn A. Winter Adam C. Berger William F. Regine Ross A. Abrams Howard Safran John P. Hoffman Al B. Benson John S. MacDonald Christopher G. Willett 2011International Journal of Radiation Oncology Biology Physics2011,,5:2
4Solid pseudopapillary tumor of the pancreas: a review of salient clinical and pathologic features显示文摘Adams AL Siegal GP Jhala NC 2008Adv Anat Pathol2008,15,1:1
5Spastic city after spinal cord injury显示文摘Adams MM Hicks AL 2005Spinal Cord2005,43,10:1
6MRI appearance of placen- ta percreta and placenta accreta显示文摘Maldjian C Adam R Pelosi M ct al 1999Magn Reson Imaging1999,17,7:1
7The effect of treatment of allergic rhinitis on asthma morbidity,including emergency department visits显示文摘Fuhlbrigge AL Adams RJ 2003Curr Opin Allergy Clin Immunol2003,3,1:1
8Characterization of cur- rently marketed heparin products: adverse event bioassays 显示文摘Sommers CD Montpas N Adam A el al 2012J Pharm Biomed Anal2012,6,6768:1
9Solid pseudopapillary tumor of the pancreas:a review of salient clinical and pathologic features 显示文摘Adams AL Siegal GP Jhala NC 2008Adv Anat Pathol2008,15,1:1
10Spasticity after spinal cord injury 显示文摘Adams MM Hicks AL 2005Spinal Cord2005,43,5:1
11Ca2+ dysregulation induces mitoehondfial depolarization and apoptosis: role of Na+/Ca2+ exchanger and AKT显示文摘Miyamoto S How'es AL Adams JW 2005J Biol Chem2005,20,38:1
12Reduced tung- mortality with low dose computed tomographic screening显示文摘National Lung Screening Trial Research Team Aberle DR Adams AM el cancer al 2011N Engl J Med2011,365,5:1
13Long-lerm oulcnme after resection for chronic pancreatitis in 224 palients 显示文摘Riediger H Adam U Fischer E el al 2007J Gaslroinfest Surg2007,11,8:1
14Analysis of a successful immune response against hepatitis C virus显示文摘 Erickson AL Adams AJ 1999Immunity1999,10,4:1
15Cardiomyoeyte apoptosis induced by Gq signaling is pathway显示文摘 Pagel AL Means CK 2000Circ Res2000,87,12:1
16Aberrant regulation and function of microRNAs in cancer显示文摘Adams BD Kasinski AL Slack FJ 2014Curr Biol2014,24,16:1
17Multiple head injuries in rots: effects on behavior 显示文摘DeRoss AL Adams JE Vane DW 2002J Trauma2002,52,4:1
18Spasticity after spinal cord injury显示文摘Adams MM Hicks AL 2005Spinal Cord2005,43,:1
19Removal ofestrogenic activity of natural and synthetic hormones from amunicipal wastewater: Efficiency of horseradish peroxidase andlaccase from Trametes versicolor 显示文摘Auriol M Filali-Meknassi Y Adams C D ei al 2008Chemosphere2008,70,3:1
20BMI and fracture risk in older men: the Osteoporotic Fractures in Men Study(MrOS) 显示文摘Nielson CM Marshall LM Adams AL 2011J Bone Miner Res2011,26,3:1
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