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688篇 您的检索式:作者名="Boyd W"
    题名 作者 年代 出处 被引量
1Generating optical orbital angular momentum at visible wavelengths using a plasmonic metasurface显示文摘Light beams with a helical phase-front possess orbital angular momentum along their direction of propagation in addition to the spin angular momentum that describes their polarisation.Until recently,it was thought that these two‘rotational’motions of light were largely independent and could not be coupled during light–matter interactions.However,it is now known that interactions with carefully designed complex media can result in spin-to-orbit coupling,where a change of the spin angular momentum will modify the orbital angular momentum and vice versa.In this work,we propose and demonstrate that the birefringence of plasmonic nanostructures can be wielded to transform circularly polarised light into light carrying orbital angular momentum.A device operating at visible wavelengths is designed from a space-variant array of subwavelength plasmonic nano-antennas.Experiment confirms that circularly polarised light transmitted through the device is imbued with orbital angular momentum of 62'(with conversion efficiency of at least 1%).This technology paves the way towards ultrathin orbital angular momentum generators that could be integrated into applications for spectroscopy,nanoscale sensing and classical or quantum communications using integrated photonic devices.Ebrahim Karimi Sebastian A Schulz Israel De Leon Hammam Qassim Jeremy Upham Robert W Boyd 2014Light(Science & Applications)2014,3,1:39
2Digital spiral object identification using random light显示文摘Photons that are entangled or correlated in orbital angular momentum have been extensively used for remote sensing,object identification and imaging.It has recently been demonstrated that intensity fluctuations give rise to the formation of correlations in the orbital angular momentum components and angular positions of random light.Here we demonstrate that the spatial signatures and phase information of an object with rotational symmetries can be identified using classical orbital angular momentum correlations in random light.The Fourier components imprinted in the digital spiral spectrum of the object,as measured through intensity correlations,unveil its spatial and phase information.Sharing similarities with conventional compressive sensing protocols that exploit sparsity to reduce the number of measurements required to reconstruct a signal,our technique allows sensing of an object with fewer measurements than other schemes that use pixel-by-pixel imaging.One remarkable advantage of our technique is that it does not require the preparation of fragile quantum states of light and operates at both low-and high-light levels.In addition,our technique is robust against environmental noise,a fundamental feature of any realistic scheme for remote sensing.Zhe Yang Omar S Magaña-Loaiza Mohammad Mirhosseini Yiyu Zhou Boshen Gao Lu Gao Seyed Mohammad Hashemi Rafsanjani Gui-Lu Long Robert W Boyd 2017Light(Science & Applications)2017,6,1:2
3Long-term follow-up of aviators after functional endoscopic sinus surgery for sinus barotrauma显示文摘PARSONS D S CHAMBERS D W BOYD E M 1997Aviat Space Environ Med1997,68,:1
4Differential bioavailability of soil-sorbed naphthalene to two bacterial spieces 显示文摘GUERIN W F BOYD S A 1992Applied Environmental Micro- biology1992,,58:1
5Superluminal and Slow Light Propagation in a Room- Temperature Solid显示文摘BIGELOW M S LEPESHKIN N N BOYD R W 2003Science2003,301,:1
6Decomposition mecha-nisms of thin palladium acetate film with excimer UV radiation 显示文摘Zhang J Y Esrom H Boyd I W 1996Applied Surface Science1996,96,:1
7The exchange adsorption of ions from aqueous solutions by organic zeolitesⅡ:Kinetics显示文摘Boyd G E Adamson A W Myers L S 1947Journal of the American Chemical Society1947,69,11:1
8The effects of environmental liability on industrial real estate development 显示文摘Boyd J Harrington W Macauley M K 1996Journal of Real Estate Finance and Economics1996,12,1:1
9Depth of penetration in periodontal pockets with oral irrigation显示文摘 Ford C Boyd R 1986J Clin Periodontol1986,13,:1
10Pulsed Laser Deposited ZnO for Device Application显示文摘 Gardeniers J G E Boyd I W 1996Appl Surf Sci1996,9698,:1
11Size-fractionated primary production and nitrogen uptake during a North Atlantic phytoplankton bloom: implications for carbon export estimates 显示文摘BURY S J BOYD P W PRESTON T 2001Deep-Sea Res2001,48,3:1
12Observation of ultraslow light propagation in a ruby crystal in room temperature显示文摘BIGELOW M S LEPESHKIN N N BOYD R W 2003PHYS REV LETT2003,90,11:1
13Estuarine facies models: conceptual basis and stratigraphic implications 显示文摘Dalrmple R W Zaitlin B A Boyd R 1992Journal of Sedimentary Petrology1992,62,6:1
14The uses of passive measurement of acoustic emissions from chemical engineering processes 显示文摘Boyd J W R Varley J 2001Chemical Engineering Science2001,56,5:1
15The choice between resale price maintenance and exclus ive territories:Evidence from litigation 显示文摘Boyd D W Review of Industrial Organiza- tion0,8,6:1
16Chemical budgets for oranically fertilized fish ponds in the drytropics 显示文摘Green B W Boyd C E 1995Joum''al of the World Aquaculture Society1995,26,3:1
17Corrosion of stainless steels in supercritical water显示文摘BOYD W K PRAY H A 1957Corrosion Engineer- ing1957,13,6:1
18Iterative water-filling for Gaussian vector multiple-access channels显示文摘YU Wei RHEE W BOYD S 2004IEEE Transactions on Information Theory2004,50,:1
19McClellan Disruption of Left-Right Reciprocal Coupling in the Spinal Cord of Larval Lamprey Abolishes Brain2 Initiated Locomotor Activity 显示文摘Jackson A W Horinek D F Boyd M R 2005J Neurophysiol2005,,94:1
20Seasonal and spatial patterns of heterotrophic bacterial production, respiration, and biomass in the subarctic NE Pacific显示文摘Sherry N D Boyd P W Sugimoto K 1999Deep - Sea Research H1999,46,:1
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