Results 1 to 10 of about 158,708 (168)
Journal of Advanced Ceramics, 2023 Ferroelectric (FE) thin films have recently attracted renewed interest in research due to their great potential for designing novel tunable electromagnetic devices such as large intelligent surfaces (LISs). However, the mechanism of how a polar structure
Hanchi Ruan +9 more
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Optically Tunable Diffraction Efficiency in Reflection Grating Written in Photomobile Polymers
Photonics, 2022 In this work, we report the fabrication and optical characterization of a one-dimensional reflection holographic volume phase grating recorded in a recently developed holographic photomobile composite polymer mixture.
Riccardo Castagna +3 more
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Archives of Acoustics, 2022 This review article is concerned with metamaterials, i.e. specifically engineered structures with special properties for interaction with sounds. The research on and practical design of these materials have gained momentum in the last decade, when 3D ...
Bartłomiej Sztyler, Paweł Strumiłło
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Single Longitudinal Mode and Widely Tunable Er:Y2O3 Ceramic Laser at ∼ 2.7 μm
IEEE Photonics Journal, 2023 We report on single-longitudinal-mode and tunable operation of an Er:Y2O3 ceramic laser at ∼2.7 μm using intracavity Fabry-Perot etalons combined with a birefringent filter. The laser is pumped with a high brightness, narrow linewidth diode
Manman Ding +6 more
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Stimuli‐responsive active materials for dynamic control of light field
Responsive Materials, 2023 The increasing demand for the multidimensional and dynamic control of light has spurred the development of stimuli‐responsive, reconfigurable, and programmable optical systems.
Ren Zheng +7 more
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Frontiers in Physics, 2022 Tunable 2∼3-μm femtosecond lasers are of high interest in various applications, such as medical diagnostics and molecular spectroscopy. Cr:ZnSe/ZnS is extremely suited for broadband tunable femtosecond lasers due to its excellent emission bands.
Qing Wang +11 more
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Micromachines, 2021 This paper proposes a perfect metamaterial absorber based on a dielectric−dielectric−metal structure, which realizes ultra-narrowband dual-band absorption in the near-infrared band. The maximum Q factor is 484.
Bin Liu, Pinghui Wu, Hongyang Zhu, Li Lv
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Advanced Photonics Research, 2022 Vanadium dioxide (VO2) undergoes a reversible phase change, from semiconducting to metallic, with a change in temperature. Herein, plasmonic switches–based on gold nanoparticles (Au NPs) embedded between layers of VO2 films–that exhibit enhanced ...
Ajay Kumar Agrawal +4 more
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IEEE Photonics Journal, 2022 In the paper, a hybrid Mach-Zehnder interferometer (MZI) and Rayleigh backscattering (RB) injection is designed and applied in the erbium-doped fiber (EDF) ring laser configuration.
Chien-Hung Yeh +4 more
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Porous (Ba,Sr)TiO3 ceramics for tailoring dielectric and tunability properties: Modelling and experiment [PDF]
Processing and Application of Ceramics, 2017 3D Finite Element Method simulations were employed in order to describe tunability properties in anisotropic porous paraelectric structures. The simulations predicted that properties of a ceramic can be tailored by using various levels of porosity ...
Roxana E. Stanculescu +6 more
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