Transformation optics with Fabry-Pérot resonances

Sadeghi, Mohammad Mehdi; Li, Sucheng; Xu, Lin; Hou, Bo; Chen, Huanyang

doi:10.1038/srep08680

Cited by 96 publications

(70 citation statements)

References 31 publications

(39 reference statements)

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“…If R 2 → R 3 , we shall get ε r → ∞, and μ z → 0 for R 1 ≤ r ′ ≤ R 3 1316. Such part is called optical void and is not easy to implement1517.…”

Section: Resultsmentioning

confidence: 99%

Optical Concentrators with Simple Layered Designs

Sadeghi

Nadgaran

et al. 2015

Sci Rep

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A microwave prototype of field concentrator was recently fabricated, based on the combination of transformation optics and Fabry-Pérot resonances. Perfect electric conductors used as design elements is however, impossible when the working frequencies go to infrared or optical frequencies. Here in this paper, we show that layered structure with alternating dielectrics of positive and negative permittivities can be used to design concentrators of similar function. A practical design with only two kinds of semiconductors is suggested. Theoretical analysis and numerical simulations are performed to verify the concentrating effect.

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“…If R 2 → R 3 , we shall get ε r → ∞, and μ z → 0 for R 1 ≤ r ′ ≤ R 3 1316. Such part is called optical void and is not easy to implement1517.…”

Section: Resultsmentioning

confidence: 99%

Optical Concentrators with Simple Layered Designs

Sadeghi

Nadgaran

et al. 2015

Sci Rep

Self Cite

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“…A metallic plate with fractal holes has been theoretically and experimentally demonstrated to be an ONM, with hyperlensing in a cylindrical coordinate system . A metallic slit array structure serves as an ONM for electromagnetic wave concentration at microwave frequencies when the Fabry–Pérot (FP) resonance condition is satisfied . These experimental results also show that the loss in real metals does not influence the performance of the ONM.…”

Section: New Branches From Tomentioning

confidence: 90%

“…There is a main axis of an ONM, whose relative permittivity and permeability are extremely large along the main axis and nearly zero in all orthogonal directions. ONMs have been experimentally demonstrated using different metamaterials . A metallic plate with fractal holes has been theoretically and experimentally demonstrated to be an ONM, with hyperlensing in a cylindrical coordinate system .…”

Section: New Branches From Tomentioning

confidence: 99%

Transformation Optics: From Classic Theory and Applications to its New Branches

Sun

Zheng

Chen

et al. 2017

Laser & Photonics Reviews

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In the modern world, the ability to manipulate and control electromagnetic waves has greatly changed people's lives. Novel optical and electromagnetic phenomena and devices will lead to new scientific trends and techniques in the future. The exploration of new theories of optical design and new materials for optical engineering has attracted great attention in recent years. Transformation optics (TO) provides a new way to design optical devices with extraordinary predesigned functions such as invisibility cloaks and electromagnetic wormholes. As the development of artificial electromagnetic media (e.g. metamaterials and metasurfaces) progresses, many of these novel optical devices designed by TO have been experimentally demonstrated and used in specific applications. Starting from the basic theory of transformation optics, we review its applications, extensions, new branches and recent developments in this paper.

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“…The ONM may have different main axes in different parts of the designed device, i.e., the optic-null media are the same homogeneous anisotropic material positioned with its main axis along different projecting directions in different parts. The ONM has been experimentally demonstrated at a microwave frequency through metamaterials [18,19]. An OST can greatly simplify the design process.…”

Section: Summary and Discussionmentioning

confidence: 99%

“…We should note that the ONM has been designed for many specific applications [15][16][17], and has been experimentally realized at a microwave frequency [18,19]. In this short paper, we propose the idea of using the OST function of the ONM to design optical devices without any mathematical formula.…”

Section: Methods and An Examplementioning

confidence: 99%

Surface Transformation With Homogenous Optic-Null Medium

Sun¹,

He²

2015

PIER

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Abstract-An optical surface transformation (OST) method is proposed briefly in this short paper. Compared with Transformation Optics (TO), we do not need to consider what kinds of coordinate transformation should be used when designing a novel device, but only need to choose the shapes of two end surfaces (namely, the input and output surfaces of the device), which are linked by an optic-null medium (ONM) that is a highly anisotropic homogeneous medium. All devices designed by OST can be realized by some ONM. The design process of an optical device with some pre-designed function can be converted to the simple choice of the shape and size of the optical surfaces with the OST, which will become a simple and yet innovative way to design electromagnetic/optical devices.

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Transformation optics with Fabry-Pérot resonances

Cited by 96 publications

References 31 publications

Optical Concentrators with Simple Layered Designs

Optical Concentrators with Simple Layered Designs

Transformation Optics: From Classic Theory and Applications to its New Branches

Surface Transformation With Homogenous Optic-Null Medium

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