Search Results - "Rogers, T F"

Optically reconfigurable metasurfaces and photonic devices based on phase change materials by Wang, Qian, Rogers, Edward T. F., Gholipour, Behrad, Wang, Chih-Ming, Yuan, Guanghui, Teng, Jinghua, Zheludev, Nikolay I.

“…Photonic components with adjustable parameters, such as variable-focal-length lenses or spectral filters, which can change functionality upon optical…”
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A super-oscillatory lens optical microscope for subwavelength imaging by Rogers, Edward T. F., Lindberg, Jari, Roy, Tapashree, Savo, Salvatore, Chad, John E., Dennis, Mark R., Zheludev, Nikolay I.

“…The maximum imaging resolution in classical optics is limited to approximately the wavelength of light used, and subwavelength resolution can only be achieved…”
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Planar super-oscillatory lens for sub-diffraction optical needles at violet wavelengths by Yuan, Guanghui, Rogers, Edward T. F., Roy, Tapashree, Adamo, Giorgio, Shen, Zexiang, Zheludev, Nikolay I.

“…Planar optical lenses are fundamental elements of miniaturized photonic devices. However, conventional planar optical lenses are constrained by the diffraction…”
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Two-dimensional control of light with light on metasurfaces by Papaioannou, Maria, Plum, Eric, Valente, João, Rogers, Edward TF, Zheludev, Nikolay I

“…The ability to control the wavefront of light is fundamental to focusing and redistribution of light, enabling many applications from imaging to spectroscopy…”
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Super-oscillatory optical needle by Rogers, Edward T. F., Savo, Salvatore, Lindberg, Jari, Roy, Tapashree, Dennis, Mark R., Zheludev, Nikolay I.

“…Super-oscillatory optical lenses have recently been shown to achieve subwavelength focusing and have been used for super-resolution imaging. However, the…”
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Sub-wavelength annular-slit-assisted superoscillatory lens for longitudinally-polarized super-resolution focusing by Kim, Hyuntai, Rogers, Edward T. F.

“…A binary metallic superoscillatory lens assisted with annular subwavelength slits is proposed, which generates a longitudinally-polarized super-resolution…”
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All-optical dynamic focusing of light via coherent absorption in a plasmonic metasurface by Papaioannou, Maria, Plum, Eric, Rogers, Edward TF, Zheludev, Nikolay I

“…Vision, microscopy, imaging, optical data projection and storage all depend on focusing of light. Dynamic focusing is conventionally achieved with mechanically…”
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Exploiting Routine Clinical Measures to Inform Strategies for Better Hearing Performance in Cochlear Implant Users by Sanderson, Alan P, Rogers, Edward T F, Verschuur, Carl A, Newman, Tracey A

“…Neuroprostheses designed to interface with the nervous system to replace injured or missing senses can significantly improve a patient's quality of life. The…”
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Quantum super-oscillation of a single photon by Yuan, Guang Hui, Vezzoli, Stefano, Altuzarra, Charles, Rogers, Edward TF, Couteau, Christophe, Soci, Cesare, Zheludev, Nikolay I

“…Super-oscillation is a counterintuitive phenomenon describing localized fast variations of functions and fields that happen at frequencies higher than the…”
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“Digitally” Addressable Focusing of Light into a Subwavelength Hot Spot by Kao, T. S, Rogers, E. T. F, Ou, J. Y, Zheludev, N. I

“…We show that a plasmonic metamaterial can act as a far-field to near-field transformer that focuses a free-space beam of light into a subwavelength energy hot…”
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Spatially resolved soft X-ray spectrometry from single-image diffraction by Praeger, M, de Paula, A. M, Froud, C. A, Rogers, E. T. F, Stebbings, S. L, Brocklesby, W. S, Baumberg, J. J, Hanna, D. C, Frey, J. G

“…High-harmonic generation (HHG) offers better coherence, shorter pulse durations and far greater accessibility than synchrotron sources. These factors make HHG…”
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“Plasmonics” in free space: observation of giant wavevectors, vortices, and energy backflow in superoscillatory optical fields by Yuan, Guanghui, Rogers, Edward T. F., Zheludev, Nikolay I.

“…Evanescent light can be localized at the nanoscale by resonant absorption in a plasmonic nanoparticle or taper or by transmission through a nanohole. However,…”
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Optimising superoscillatory spots for far-field super-resolution imaging by Rogers, Katrine S, Bourdakos, Konstantinos N, Yuan, Guang Hui, Mahajan, Sumeet, Rogers, Edward T F

“…Optical superoscillatory imaging, allowing unlabelled far-field super-resolution, has in recent years become reality. Instruments have been built and their…”
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Reconfigurable phase-change photomask for grayscale photolithography by Wang, Q., Yuan, G. H., Kiang, K. S., Sun, K., Gholipour, B., Rogers, E. T. F., Huang, K., Ang, S. S., Zheludev, N. I., Teng, J. H.

“…We demonstrate a grayscale photolithography technique which uses a thin phase-change film as a photomask to locally control the exposure dose and allows…”
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Far field subwavelength focusing using optical eigenmodes by Baumgartl, Jörg, Kosmeier, Sebastian, Mazilu, Michael, Rogers, Edward T. F., Zheludev, Nikolay I., Dholakia, Kishan

“…We report the focusing of light to generate a subdiffractive, subwavelength focal spot of full width half maximum 222 nm at an operating wavelength of 633 nm…”
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Achromatic super-oscillatory lenses with sub-wavelength focusing by Yuan, Guang Hui, Rogers, Edward TF, Zheludev, Nikolay I

“…Lenses are crucial to light-enabled technologies. Conventional lenses have been perfected to achieve near-diffraction-limited resolution and minimal chromatic…”
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Sub-wavelength focusing meta-lens by Roy, Tapashree, Rogers, Edward T F, Zheludev, Nikolay I

“…We show that a planar plasmonic metamaterial with spatially variable meta-atom parameters can focus transmitted light into sub-wavelength hot-spots located…”
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Invited Article: All-optical multichannel logic based on coherent perfect absorption in a plasmonic metamaterial by Papaioannou, Maria, Plum, Eric, Valente, João, Rogers, Edward T. F., Zheludev, Nikolay I.

“…The exponential growth of telecommunications bandwidth will require next generation optical networks, where multiple spatial information channels will be…”
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Coherent control of Snell's law at metasurfaces by Shi, Jinhui, Fang, Xu, Rogers, Edward T F, Plum, Eric, MacDonald, Kevin F, Zheludev, Nikolay I

“…It was recently demonstrated that the well-known Snell's law must be corrected for phase gradient metasurfaces to account for their spatially varying phase,…”
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Safeguarding Tranquility Base: why the Earth's Moon base should become a World Heritage Site by Rogers, T.F

“…The Shuttle Columbia tragedy has prompted the USA to raise fundamental questions about its civil space program. Interest in returning people to the Moon is…”
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