176 hasil untuk "Yu-Sheng Lin"
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Artikel Jurnal
Reconfigurable metamaterials for optoelectronic applications
In recent years, electromagnetic characteristics of metamaterials has aroused great interest because of innovative fundamental understanding as well as promising potential applications in optics, semiconductors, imaging, and sensing. We survey the state-of-the-art of spatially reconfigurable…
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Artikel Jurnal
Actively electromagnetic modulation of IHI-shaped terahertz metamaterial with high-efficiency switching characteristic
We present terahertz (THz) metamaterial with multi-configurations, which are composed of H-shaped, II-shaped, and IHI-shaped configurations, respectively. By changing the geometrical dimension of H-shaped metamaterial, the electromagnetic response exhibits switch and bandwidth modulation…
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Artikel Jurnal
Multiplexed terahertz multifocal metalens based on stretchable single-, dual-, and quad-axis synthetic rectangular optical sparse aperture
As ultrathin optical elements with subwavelength structures densely arranged, planar lens or called metalens can effectively focus incident wave. Due to the compact design and wide operating frequency of metalens, it becomes promising in applications like information encryption, imaging, and…
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Artikel Jurnal
Angular‐Dispersive Narrowband Absorption Induced by Quasi‐BIC in SiO2‐Au Metamaterial
Quasibound states in the continuum (BIC) have earned extensive attentions due to the capability to realize extremely high quality‐factor (Q‐factor) resonance. Here, a metamaterial composed of silicon dioxide (SiO2) with low refractive index (≈1.45) on gold (Au) reflection mirror is proposed to…
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Artikel Jurnal Teks lengkap
Tunable Infrared Metamaterial Emitter for Gas Sensing Application
We present an on-chip tunable infrared (IR) metamaterial emitter for gas sensing applications. The proposed emitter exhibits high electrical-thermal-optical efficiency, which can be realized by the integration of microelectromechanical system (MEMS) microheaters and IR metamaterials. According to…
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Artikel Jurnal
Tunable terahertz metamaterial with multi-resonance characteristic for refractive index sensing application
A tunable terahertz (THz) metamaterial (TTM) composed of double connected semicircle-shaped rings and two segregated metallic bars is presented. Through the manipulation of the radius of connected semicircle-shaped rings (R), the transverse electric (TE)-polarization resonance is red-shifted from…
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Artikel Jurnal Teks lengkap
Tunable Terahertz Metamaterial Using an Electric Split-Ring Resonator with Polarization-Sensitive Characteristic
We present a tunable terahertz (THz) metamaterial using an electric split-ring resonator (eSRR), which exhibits polarization-sensitive characteristics. The proposed eSRR is composed of double symmetrical semicircles and two central metal bars. By changing the lengths of two metal bars, the…
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Artikel Jurnal Teks lengkap
Polarization-Sensitive Metamaterials with Tunable Multi-Resonance in the Terahertz Frequency Range
We propose two designs of polarization-sensitive metamaterials (PSMs), which are composed of face-to-face spilt-ring resonators (SRRs) and a cut-wire resonator (CWR) sandwiched by two face-to-face SRRs. For convenient description, they are denoted as PSM_1 and PSM_2, respectively. PSM_1 and PSM_2…
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Artikel Jurnal Teks lengkap
Electromechanically Rotatable Cross-Shaped Mid-IR Metamaterial
We present an electromechanically rotatable infrared (IR) cross-shaped metamaterial (CSM) in the mid-IR wavelength range. The CSM configuration is composed of double gold layers with cross-shaped nanostructures. To investigate the fano-resonance within CSM nanostructures, the aspect ratios and…
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Artikel Jurnal Teks lengkap
Reconfigurable Terahertz Metamaterial Using Split-Ring Meta-Atoms with Multifunctional Electromagnetic Characteristics
We propose a reconfigurable terahertz (THz) metamaterial (RTM) to investigate its multifunctional electromagnetic characteristics by moving the meta-atoms of split-ring resonator (SRR) array. It shows the preferable and capable adjustability in the THz frequency range. The electromagnetic…
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Artikel Jurnal Teks lengkap
Design of Tunable Terahertz Metamaterial Sensor with Single- and Dual-Resonance Characteristic
We present two types of refractive index sensors by using tunable terahertz (THz) metamaterial (TTM) based on two concentric split-ring resonators (SRRs) with different splits. By modifying the distance between SRRs and substrate, TTM shows tunable single- and dual-resonance characteristic. The…
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Artikel Jurnal
Programmable terahertz metamaterial with multiple logic characteristics
We present a design of programmable terahertz (THz) metamaterial (PTM) with multiple logic characteristics. The proposed PTM device is composed of a cut-wire resonator (CWR) sandwiched two face-to-face split-ring resonators (SRRs). By moving CWR along z-axis direction to change vertical distance…
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Artikel Jurnal
Perfect meta-absorber by using pod-like nanostructures with ultra-broadband, omnidirectional, and polarization-independent characteristics
Abstract The on-chip perfect meta-absorber (PMA) is an important optical and thermal energy component in photovoltaics, thermal emitters, and energy harvesting applications. However, most reported PMAs rely on the complicated lithography techniques, which imposed a serious cost barrier on the…
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Artikel Jurnal
Enhancement of perovskite photoluminescence characterizations by using lithography-free metal nanostructures
To date, organic–inorganic metal halide perovskite material has become an emerging research topic for scientists to alternate the semiconductor material in the optoelectronic applications. However, the photoluminescence (PL) efficiency of perovskite material is quite low, which impacts the…
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Artikel Jurnal
Multi-functional terahertz metamaterial using symmetrical and asymmetrical electric split-ring resonator
We present the electromagnetic coupling effects in four types of electric split-ring resonators (eSRRs). These four designs of eSRRs are based on SRR tailored with single-, dual-, triple-, and quad-split, respectively. The near-field electromagnetic coupling responses indicate the resonance caused…
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Artikel Jurnal
Design and investigation of dual-axis electrostatic driving MEMS scanning micromirror
Micro-electro-mechanical system (MEMS) is once proposed in 1970s and evolving rapidly. Current researchers are seeking for better designs and better applications for MEMS actuators. This work presents an electrostatic driven dual-axis scanning micromirror, i.e., two-dimensional (2D) scanning…
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Artikel Jurnal
Design of tunable terahertz metamaterial for variable optical attenuation and sensing applications
In this work, an actively tunable terahertz metamaterial (TTM) is proposed to realize variable optical attenuation and sensing applications. The unit cell of TTM is composed of H-shaped resonator (HSR) and C-shaped resonator (CSR). The resonant frequency can be tuned from 0.60 THz to 0.82 THz and…
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Artikel Jurnal
Tunable perfect meta-absorber with high sensitivity for refractive index sensing application
An infrared (IR) tunable perfect meta-absorber (TPM) is presented, which is configured of metal-insulator-metal (MIM) structure. The unit cell of the TPM device is composed of two opposite T-shaped and two rod-shaped Au resonators on the reflective mirror layer. The optimized feature size of TPM…
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Artikel Jurnal
Comparative analysis of B2L genes in vaccine and wild strains of orf virus in China
Orf is highly contagious zoonoses which is caused by the orf virus (ORFV). In order to determine the characteristics of B2L genes between vaccine strain and wild strain of ORFV in China. In this study we choose the weak vaccine of ORFV produced in biological products (Shandong Taifeng, China) and…
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Artikel Jurnal
TaqMan-based real-time quantitative fluorescence PCR for detection of Orf virus
Contagious ecthyma, also known as scabby mouth or Orf, is a zoonosis, which is caused by the Orf virus (ORFV). Human contact with infected animals can cause cutaneous lesions. To prevent and control ORFV effectively, rapid detection method is very important and highly needed. Real-time quantitative…