Perfect conformal invisible device with feasible refractive
indexes

J 2016

Perfect conformal invisible device with feasible refractive indexes

XU, Lin, Huanyang CHEN, Tomáš TYC, Yangbo XIE, S A CUMMER et. al.

Basic information

Original name

Perfect conformal invisible device with feasible refractive indexes

Authors

XU, Lin (156 China), Huanyang CHEN (156 China), Tomáš TYC (203 Czech Republic, guarantor, belonging to the institution), Yangbo XIE (156 China) and S A CUMMER (840 United States of America)

Edition

Physical Review B, 2016, 2469-9950

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10306 Optics

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

URL

Impact factor

Impact factor: 3.836

RIV identification code

RIV/00216224:14310/16:00088700

Organization unit

Faculty of Science

DOI

http://dx.doi.org/10.1103/PhysRevB.93.041406

UT WoS

000367665400001

Keywords in English

invisible cloak; transformation optics; Riemann sheets

Abstract

ORIG CZ

V originále

Optical conformal mapping has been used to construct several isotropic devices with novel functionalities. In particular, a conformal cloak could confer omnidirectional invisibility. However, the maximum values of the refractive indexes needed for current designs are too large to implement, even in microwave experiments. Furthermore, most devices designed so far have had imperfect impedance matching and therefore incomplete invisibility functionalities. Here we describe a perfect conformal invisible device with full impedance matching everywhere. The maximum value of refractive index required by our device is just about five, which is feasible for microwave and terahertz experiments using current metamaterial techniques. To construct the device, we use a logarithmic conformal mapping and a Mikaelian lens. Our results should enable a conformal invisible device with almost perfect invisibility to be made soon.

In Czech

V článku jsme navrhli nový optický profil s prvky neviditelnosti, v němž je rozsah indexu lomu výrazně nižší než u podobných profilů se stejnou funkcí, navržených dříve. Pro konstrukci tohoto profilu indexu lomu využíváme Mikaelianovu čočku a logaritmické konformní zobrazení. Náš návrh otevírá cestu k experimentální realizaci tohoto neviditelného optického zařízení.

Links

GBP201/12/G028, research and development project

Name: Ústav Eduarda Čecha pro algebru, geometrii a matematickou fyziku

Investor: Czech Science Foundation

Citovat

XU, Lin, Huanyang CHEN, Tomáš TYC, Yangbo XIE and S A CUMMER. Perfect conformal invisible device with feasible refractive indexes. Physical Review B. 2016, vol. 93, No 4, p. "nestrankovano", 7 pp. ISSN 2469-9950. Available from: https://dx.doi.org/10.1103/PhysRevB.93.041406.

@article{1373477,
   author = {Xu, Lin and Chen, Huanyang and Tyc, Tomáš and Xie, Yangbo and Cummer, S A},
   article_number = {4},
   doi = {http://dx.doi.org/10.1103/PhysRevB.93.041406},
   keywords = {invisible cloak; transformation optics; Riemann sheets},
   language = {eng},
   issn = {2469-9950},
   journal = {Physical Review B},
   title = {Perfect conformal invisible device with feasible refractive indexes},
   url = {http://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.041406},
   volume = {93},
   year = {2016}
}

TY  - JOUR
ID  - 1373477
AU  - Xu, Lin - Chen, Huanyang - Tyc, Tomáš - Xie, Yangbo - Cummer, S A
PY  - 2016
TI  - Perfect conformal invisible device with feasible refractive indexes
JF  - Physical Review B
VL  - 93
IS  - 4
SP  - "nestrankovano"
EP  - "nestrankovano"
SN  - 24699950
KW  - invisible cloak
KW  - transformation optics
KW  - Riemann sheets
UR  - http://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.041406
N2  - Optical conformal mapping has been used to construct several isotropic devices with novel functionalities. In particular, a conformal cloak could confer omnidirectional invisibility. However, the maximum values of the refractive indexes needed for current designs are too large to implement, even in microwave experiments. Furthermore, most devices designed so far have had imperfect impedance matching and therefore incomplete invisibility functionalities. Here we describe a perfect conformal invisible device with full impedance matching everywhere. The maximum value of refractive index required by our device is just about five, which is feasible for microwave and terahertz experiments using current metamaterial techniques. To construct the device, we use a logarithmic conformal mapping and a Mikaelian lens. Our results should enable a conformal invisible device with almost perfect invisibility to be made soon.
ER  -

XU, Lin, Huanyang CHEN, Tomáš TYC, Yangbo XIE and S A CUMMER. Perfect conformal invisible device with feasible refractive indexes. \textit{Physical Review B}. 2016, vol.~93, No~4, p.~''nestrankovano'', 7 pp. ISSN~2469-9950. Available from: https://dx.doi.org/10.1103/PhysRevB.93.041406.

Detailed Information on Publication Record