2015
DOI: 10.1002/adma.201501943
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A Flat Lens with Tunable Phase Gradient by Using Random Access Reconfigurable Metamaterial

Abstract: The first demonstration of an optofluidic metamaterial is reported where resonant properties of every individual metamolecule can be continuously tuned at will using a microfluidic system. This is called a random-access reconfigurable metamaterial, which is used to provide the first demonstration of a tunable flat lens with wavefront-reshaping capabilities.

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Cited by 133 publications
(106 citation statements)
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“…This technology could also create dynamic diffraction gratings for spectroscopy and wavelength division multiplexing; switchable frequency selective surfaces, reflectors, light diffusers and scatters; non-volatile reconfigurable spatial light modulators and signal distributers both for on-chip applications and space division multiplexing in telecommunication networks; tunable elements for dispersion correction; adaptive optics for aberration correction and reconfigurable near-field devices such as programmable light concentrators. Additionally, digital metamaterials 20,21,22 allow the design of powerful new functionalities and are very well suited for combination with the flexibility of reconfigurable direct writing. This combination should simplify the design process and speed up the development of the above applications.…”
Section: Resultsmentioning
confidence: 99%
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“…This technology could also create dynamic diffraction gratings for spectroscopy and wavelength division multiplexing; switchable frequency selective surfaces, reflectors, light diffusers and scatters; non-volatile reconfigurable spatial light modulators and signal distributers both for on-chip applications and space division multiplexing in telecommunication networks; tunable elements for dispersion correction; adaptive optics for aberration correction and reconfigurable near-field devices such as programmable light concentrators. Additionally, digital metamaterials 20,21,22 allow the design of powerful new functionalities and are very well suited for combination with the flexibility of reconfigurable direct writing. This combination should simplify the design process and speed up the development of the above applications.…”
Section: Resultsmentioning
confidence: 99%
“…As substantial efforts are now focused on developing metamaterials with switchable 11, 12 and reconfigurable metadevices 13 driven by thermal 14,15 , electrostatic 16 and magnetic forces 17,18 and stretching 19 , and we are witnessing the emergence of concepts of randomly accessible reconfigurable metamaterials in the microwave 20,21,22 and optical regions of the spectrum 23, 24 thus making reconfigurable photonic devices 2 controllable by external signals a realistic possibility. Here we introduce and demonstrate dynamic photonic components written into a dielectric film that can be randomly and reversibly reconfigured with light.…”
mentioning
confidence: 99%
“…Up to now, most WGM based microcavities or microlasers are made from solid state materials with engineered geometries. On the other hand, liquid has been paid increasing attention for constructing photonic devices such as passive light manipulating device2122 and microlasers23242526, given that liquid devices are compatible to biological environment.…”
mentioning
confidence: 99%
“…To obtain multifunction, there are great deals of literatures about the multifunctional metasurfaces. [ 22–46 ] The metasurfaces in these literatures can be divided into two categories—multifunctional metasurface with ingenious microstructure and tunable multifunctional metasurface. For the first category, the multifunction can be generally obtained in different frequencies or different spaces due to the fascinating and ingenious microstructures.…”
Section: Introductionmentioning
confidence: 99%
“…For the other category, much attention has been focused on the design of multifunctional and reconfigurable metasurfaces with tunable metaparticles driven based on thermal effects, electrically tuning, and mechanically stretching, etc. [ 31–39 ] Recently, a number of efforts have been devoted to the reconfigurable multifunctional metasurfaces by hybridizing metasurfaces with tunable metaparticles, such as the graphene, liquid crystal, vanadium dioxide, water droplet, microelectromechanical system (MEMS), liquid metal, light‐emitting diodes, PIN diodes, and varactor diodes. [ 47–60 ] However, these existing multifunctional metasurfaces are all metasurfaces for regulating the EM waves.…”
Section: Introductionmentioning
confidence: 99%