Metamaterial lens design software

Inverse design refers to the fact users start by describing. This melting pot of art and science has been productive for both sides. The traditional resonant structure of acoustic metamaterials used to design a super lens can be divided into four types. Then we summarize important practical applications of metasurfaces, such as plasmonic lithography, holography, and imaging. The materials are usually arranged in repeating patterns. In 2003, it was suggested that a metamaterial constructed with alternating, parallel, layers of n. By introducing a metamaterial into the design of the bilayer. Bae systems defies physics with its metamaterial antenna lens. The lens design exploits the principle of acoustic dropchannel that enables the dynamic coupling of multiple ultrasonic waveguides at selected frequencies. Ihab elkady right and charles reinke developed software based on group theory to automate design for optical metamaterials. Of course, as cocreators of the concept of spacetime transformation design 3, 4. Metamaterial lenses exhibit unique properties not shown by conventional lenses.

The theory underlying the design of a metamaterial lens is presented followed by simulation and experimental results. Jul 29, 2016 to better understand the benefits of using metamaterial structures with microstrip antennas, an antenna was designed with a unitcell metamaterial lens structure. Novel metamaterial flat lens creates 3d images in free. Metamaterial can change optical properties, become. We design and produce highly functional products that master and manipulate light. Design of lowindex metamaterial lens used for wideband. This unit cell is a type of special resonant structure, and its dimensions are optimized delicately to ensure that the metamaterial lens can enhance the antenna gain without deteriorating the circular polarization. The futures of transformations and metamaterials sciencedirect. Software tool helps engineers build optical metamaterials. Focusing and lensing components are of extreme importance because of their significant potential practical applications in biological imaging, display, and nanolithography fabrication.

We apply this technology to revolutionize everything from solar solutions to aircraft safety to wearable technology. In contrast with currently available technology, the embedded lens allows exploiting the host structure as a key component of the transducer system therefore enabling directional excitation. Three dimensional printing of metamaterial embedded. Metamaterials and imaging nano convergence full text. The lens is a metamaterial a material with completely new properties not found in nature. The lens technology was initially only applied to red, green. Nov 14, 2012 beyond the lens applications, ehrenberg says its fabrication is simple and easily replicated, allowing other scientists to investigate 3d metamaterial designs. So that once these unified properties were applied to antenna design, bae knew they were on to something completely original. The metamaterial lens is flat, reducing much of the distortion and eliminating the need for so many layers. In this way, a metasurface can be used as a planar lens,16 vortex generator,17 beam deflector, axicon and so on. Origami is widely known as the art of paper folding. Numerical simulations performed using the fem based software hfss are run to. Computation is playing a central role to optimize the large degrees of freedom enabled by thee new technologies, simulate light propagation, and reconstruct visual information from. Design of an acoustic metamaterial lens using genetic.

Lens design to demonstrate large area metasurface optics using a process that could scale to high volumes and low costs, we designed and fabricated a transmissive metasurface lens metalens 2 cm in diameter. Metamaterials lens design for microwave tamelia ali1, igor bendoym2, steve kacenjar3, andrii golovin1, and david crouse1. The antennas are designed and simulated using cst microwave studio design software. Jun 02, 2016 a lens has been built that is thinner than the waves of light it focuses. Sandia national laboratories has created the first inversedesign software for optical metamaterialsmeaning users start by describing the. From these, the complex effective refractive index of the metamaterial layer was retrieved using the formula. Threedimensional printers have revolutionized many scientific fields with its lowcost, accessibility and ease of printing.

The roughly concave lens is formed from 4,000 of these cells. Holography most of us know holograms as three dimensional pictures in which objects and scenes appear to have depth and perspective. Different nanostructures etched in the chromium film by using focused ion beam fib are employed as the imaged objects, and the polymethyl methacrylate pmma layer is used to control the spacing between the chromium film and the silver film superlens. Use of machine learning made it possible to calculate design requirements for the metamaterial in 23 hours a process that without machine learning could have taken more than 2000 years, according to the team. However, the complex systems of lenses and filters required are bulky. Freelicense software removes trial and error in metamaterial design.

They are made from assemblies of multiple elements fashioned from composite materials such as metals and plastics. A formal design study evaluates the performance of doublet and triplet lenses operating at f5 with a 100 mm focal length, a 20 half field of view, and specific geometric constraints. This chapter contains the design and simulation of dng metamaterial antennas using transmission line approach. A twodimensional structure, based on, was simulated using the 2d fetd engine and the complex coefficients of reflection and transmission r and t were measured. Origami mechanics and reprogrammable metamaterials itai. Metamaterials are artificial structures that are engineered to obtain unusual properties, 1 such as negative refraction, 2,3 perfect lensing or superlensing, 4 and invisibility cloaking. In terms of aberration theory, metamaterials present the lens designer with increased. Such an acoustic metamaterial element can be used to design and fabricate tunable gradientindex lenses, such as fundamental functional lenses, convergent lens, divergent lens, and deflection lens. Publications news features products technologies media education careers webinars events.

The intricate behavior of these novel metamaterials is interesting from both fundamental and practical point of view. To better understand the benefits of using metamaterial structures with microstrip antennas, an antenna was designed with a unitcell metamaterial lens structure. We calculated the optical properties of the metamaterial design by full wave simulations with the software cst microwave studio. It further serves to generate metamaterial unit cells which satisfy predetermined sets of material. Gaithersburg, md, the university of maryland college park, md, syracuse university syracuse, ny, and the university of british columbia kelowna, bc. Metamaterial superstrate microstrip patch antenna for 5g. This contribution focuses on the physical design of a metamaterial lens. A passively tunable acoustic metamaterial lens for. Jan 15, 2019 how to design metasurface and metamaterial in cst microwave studio. In order to produce this lensing effect, the metalens imposed a spatial profile of. Once joined, transformative optics allowed baes metamaterial lens to operate over a greatly expanded range of frequencies.

Super lens design could therefore significantly benefit from the introduction of a new, simple and light resonant structure. Schematic of the metamaterial lens system for imaging. This phenomenon is critical to the design principles behind digital. Mirage software automates design of optical metamaterials sandia. Sandia metamaterial design software now available to license. Metamaterial antennas are a class of antennas that use metamaterials to improve performance. Moreover, by changing the configuration of ptds, we can reprogram the mechanical metamaterial properties revealing that the miuraori is a form ofprogrammable matter. This lens design is promising for applications in remote sensing. Automatic inversedesign software mirage provides users a guide to making materials with advanced optical properties. Now, researchers working on government metamaterial projects can request a license at no cost. Given a surface which is not necessarily rotationally symmetric, we design a second surface such that the lens bounded between these two. Includes frequency selective surfaces, ferrite materials and more. Researchers at itmo university and the university of exeter have developed a metamaterial capable of changing its optical properties without any mecha. Abstractthe development of flat, low profile, and light weight metamaterial lens for microwave allows for small phase error, a wide frequency band of operation, wide angle scanning, and truetime delay beam forming.

In this paper, we show how stereolithography sla based 3d printers. Chinese physics b paper related content highperformance. It should run on any platform that python, wxpython and pyopengl run on. The metamaterial has an angleindependent negative refractive index, enabling it to act as a flat lens. In recent years, the development of metamaterials and metasurfaces has drawn great attention, enabling many important practical applications. The lens is produced by blocky, sshaped unit cells a few millimeters wide that refract radio waves in particular directions. Jun 06, 2016 the new metamaterial lens can be manufactured with semiconductor technology. A perfect flat lens with metamaterials the computational. Contrary to conventional optics where ray tracing and a fourier transform exactly predict light propagation, those approaches are no longer valid in the case of metasurfaces and hybrid glassmetasurface coated lenses. Nanoscale superresolution imaging via a metaldielectric. Such lenses, made from lightwarping metamaterials, might someday replace the heavier glass lenses used in everything. We describe an allanalytical approach to compensate for the finite height of subwavelength dielectric structures in the passband regime. Metamaterial enhances microstrip antenna gain microwaves.

A lens made out of identical metamaterial bytes above can be made flat by altering the composition of the bytes below. The designed antennas are useful for wireless application like wlan. Threedimensional alldielectric metamaterial solid immersion. The antennas position can remain constant, and the software will instantly adjust the electrical properties of each individual metamaterial element to optimize connectivity with the satellitein both send and receive modes. Performing mathematical operations with metamaterials. The lens design is based on qct and the quasiorthogonal meshes are obtained by solving the laplaces equation with dirichlet and neumann boundary conditions, instead of using commercial software meshing tools. Smith notes that this compact design offers significant savings in terms of cost, weight and power draw. Incident light passing through the slit object will diverge in metamaterial lens 1 ml1 and converge in metamaterial lens 2 ml2, forming an image on the top surface of ml2. The software, dubbed mirage, is the first inversedesign program for assembling for optical metamaterials.

Design of an acoustic metamaterial lens using genetic algorithms dennis li, lucian zigoneanu, bogdanioan popa, and steven a. Design of an acoustic metamaterial lens using genetic algorithms. Design and characterization of metamaterials for optical and radio. This method calculates the effective refractive index of the infiniteheight lattice from effective medium theory. Air force support for a metamaterial future wright.

In the arts, holograms are used to create 3d images of great originality and vividness. This platform serves to extract, from a given geometry, the bulk material properties of the corresponding metamaterial. Key research and development program of china 2017yfa0700201. Acoustic imaging with metamaterial luneburg lenses. As a result, many theoretical metamaterial structures are first tested at microwave wavelengths because the cell size is an easytofabricate 10 mm or so. The cst microwave studio software is used to model and optimize the proposed antenna. Although alldielectric metamaterials offer a lowloss alternative to current metalbased metamaterials to manipulate light at the nanoscale and may have important applications, very few have been reported to date owing to the current nanofabrication technologies. With its powerful psd algorithm, synopsys can do in one second a. Metamaterial lens is thinner than the light it bends and. Omegashaped metamaterial lens design for microstrip patch antenna performance optimization at 12 ghz. This study presents the first comprehensive investigation of metamaterial lenses using industry standard lens design software.

Metafocusing devices using ultrathin structures also known as. The electric field distributions and radiation patterns of linear array with the metamaterial lens and without the metamaterial lens the. Dec 01, 2014 metamaterials, precisely designed composite materials that have properties not found in natural ones, could be used to make lightbending invisibility cloaks, flat lenses and other otherwise. When illuminated with uv light purple a sample object of any shape placed on the flat slab of metamaterial is projected as a threedimensional image in free space on the other side of the slab. Openraytrace is an optical lens design software that performs ray tracing. Synopsys is one of the largest and most powerful lens design programs in the world, with features found nowhere else. Look for a feature article on this software in the june issue of laser focus world. Osa design of thinfilm photonic metamaterial luneburg lens.

Commercial uses of holograms include 3d security tags on upscale products and anticounterfeiting pictures on credit and cash cards. Pdf design and characterization of metamaterials for optical and. Using remcoms xfdtd software, simulations of devices containing these special materials may be performed metamaterials include such items as negative index materials, electronic band gap. Oct 29, 20 a lens with ten times the resolution of any current lens, making it a powerful new tool for the biological sciences has been developed by researchers at the university of sydney.

Pdf omegashaped metamaterial lens design for microstrip. In the last 20 years, scientists, engineers, and mathematicians have shown a steady and increasing interest in the field. A novel design for ultrathin lenses uses nanostructures to grab light and bend it to its will, and could someday find uses in microscopes and cameras. An acoustic metamaterial lens for acoustic pointtopoint. Helmholtz resonators 11, 16, 21, threecomponent resonators 15, 22, holeystructured. Mit produces new metamaterial that acts as a lens for radio waves. On one hand, quantitative and technological advances have expanded the artistic repertoire and led to software likefreeform origami. Sandia uses the design aid, called mirage, in its research and development programs and released a test version to select collaborators last year. Figure 1 shows a twodimensional 2d layout of the microstrip antenna. Numerous materials exist that have unusual or frequency dependent properties. Design of metamaterial lens for antenna array guohong du1, junqing lan1, and haoran sun1 1 school of electronic engineering, chengdu university of information technology, chengdu 610225, china abstract in this paper, a metamaterial lens is proposed to enable a linear array to possess the radiation properties of circular array in free space. Over the past decades, advances in metamaterial and metasurfaces inspired innovation in many imaging systems.

Cummera department of electrical and computer engineering, duke university, durham, north carolina 27708. In essence, a pattern of these popthrough defects ptds is the equivalent of a program that encodes the structures compressive properties. We develop a new nanosolidfluid assembly method using 15nm tio2 nanoparticles as building blocks to fabricate the first. We design an alldielectric luneburg lens as an adiabatic spacevariant lattice explicitly accounting for finite film thickness. The metal structure is fully embedded in a benzocyclobutene bcb background matrix. It is an effective medium made up of a multilayer stack, which exhibits birefringence, n 2. Metamaterials can perform similar optical processing operations but with materials that need only be a wavelength thick. Design of square split ring resonator shaped metamaterial.

For verifying dng properties of proposed metamaterial structure nicolsonrossweir nrw technique is used. High refractive index metamaterial design figure1ashows the unit cell of the proposed hrm. Pdf enhancement of microwave imaging using a metamaterial lens. Simulation and experimental results show that the 2d and 3d lenses can effectively. Sandia metamaterial design software now available to license for free. Harvard researchers develop ultrathin metamaterial lens.

With its powerful psd algorithm, synopsys can do in one second a job that takes other programs more than an hour. Mirage software automates design of optical metamaterials. To is also applied in the design of acoustic lenses for performance. Inversedesign software mirage developed at sandia national laboratories provides users a guide to making materials with advanced optical properties. Attributing to the lens placed inside the horn, the size of antenna is effectively reduced while the antenna performance, such as the directivity and the gain, is improved greatly. Molecules free fulltext metamaterial lensing devices html. New frontiers are being explored as intrinsic limitations challenge the scaling of microwave metamaterial designs to optical frequencies. Mit produces new metamaterial that acts as a lens for. Figure 2 shows a schematic diagram of the superresolution imaging structure of a silver film superlens developed by fang and coworkers. We present in this thesis the development of a bidirectional computational platform for metamaterial structural design. Metamaterial lenses yin major reference works wiley online. Sandia metamaterial design software now available to. New metamaterial lens focuses radio waves mit news.