Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Gwanho Yoon"'
Publikováno v:
Sensors, Vol 24, Iss 5, p 1432 (2024)
Achieving the simultaneity of ventilation and soundproofing is a significant challenge in applied acoustics. Ventilated soundproofing relies on the interplay between local resonance and nonlocal coupling of acoustic waves within a sub-wavelength stru
Externí odkaz:
https://doaj.org/article/263d888ca2434924af41c5a06787ddc1
Autor:
Wonjoong Kim, Gwanho Yoon, Joohoon Kim, Heonyeong Jeong, Yeseul Kim, Hojung Choi, Trevon Badloe, Junsuk Rho, Heon Lee
Publikováno v:
Microsystems & Nanoengineering, Vol 8, Iss 1, Pp 1-8 (2022)
Abstract Metasurfaces consisting of artificially designed meta-atoms have been popularized recently due to their advantages of amplitude and phase of light control. However, the electron beam lithography method for metasurface fabrication has high co
Externí odkaz:
https://doaj.org/article/8552a4de71b740b7825cd6163583eebb
Publikováno v:
InfoMat, Vol 3, Iss 7, Pp 739-754 (2021)
Abstract Metasurfaces consisting of subwavelength structures, so‐called meta‐atoms, have steadily attracted considerable attention for advanced holography due to their advantages in terms of high‐resolution holographic images, large field of vi
Externí odkaz:
https://doaj.org/article/c082bf967d7e46dc956a627f06ff361b
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
Current metalenses are far from commercialization due to fabrication cost and low throughput. Here, the authors use a UV-curable resin as a matrix for direct pattern replication by the composite and TiO2 nanoparticles to increase the refractive index
Externí odkaz:
https://doaj.org/article/13449e8745714a72b3c01baac069f7c7
Publikováno v:
iScience, Vol 23, Iss 12, Pp 101877- (2020)
Summary: As technology advances, electrical devices such as smartphones have become more and more compact, leading to a demand for the continuous miniaturization of optical components. Metalenses, ultrathin flat optical elements composed of metasurfa
Externí odkaz:
https://doaj.org/article/fdcf5a8505444f7a8ee2ab85a2fc3857
Publikováno v:
Nano Convergence, Vol 4, Iss 1, Pp 1-5 (2017)
Abstract We theoretically investigate a metasurface perfect absorber based on indium-tin-oxide as active material. Our design scheme relies on conventional metal–oxide–semiconductor model and the Drude model. Inducing a voltage into the device ca
Externí odkaz:
https://doaj.org/article/1de0569028ba4388b3d909d6050373d2
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract Nanofabrication techniques are essential for exploring nanoscience and many closely related research fields such as materials, electronics, optics and photonics. Recently, three-dimensional (3D) nanofabrication techniques have been actively
Externí odkaz:
https://doaj.org/article/c8cd1f6ff1984c20985d4e7e2b56473b
Publikováno v:
Micromachines, Vol 9, Iss 11, p 560 (2018)
Metamaterials are composed of nanostructures, called artificial atoms, which can give metamaterials extraordinary properties that cannot be found in natural materials. The nanostructures themselves and their arrangements determine the metamaterials
Externí odkaz:
https://doaj.org/article/dcdd2a63d8dc4df4b8e50d78db5b46e1
Publikováno v:
Journal of Flexible and Printed Electronics. 1:101-110
Burgeoning demand on the analysis of multilayered optical thin films yields an advent of the simulation methods to calculate the optical response of structures. Machine learning ensures expedite calculation once a model has been trained. Here, we pre
Publikováno v:
InfoMat, Vol 3, Iss 7, Pp 739-754 (2021)
Metasurfaces consisting of subwavelength structures, so‐called meta‐atoms, have steadily attracted considerable attention for advanced holography due to their advantages in terms of high‐resolution holographic images, large field of view, and c