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Relevant bibliographies by topics / SUPERLENS BEHAVIOUR

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Journal articles
Dissertations / Theses
Conference papers

Academic literature on the topic 'SUPERLENS BEHAVIOUR'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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Journal articles on the topic "SUPERLENS BEHAVIOUR"

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Li, Yonghui, Dinghao Zhang, Yunlong Liu, and Lujie Chen. "Experimental Study on the Force Characteristics of Superlong Pile Groups in Silty Sand." Advances in Civil Engineering 2022 (February 2, 2022): 1–14. http://dx.doi.org/10.1155/2022/6653537.

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Laboratory model testing of single pile and superlong pile groups in saturated silty sand was conducted to investigate the response and bearing behavior of superlong pile groups with a high or low cap under vertical loads. The load transfer mechanism and bearing behavior of the pile shaft were discussed in detail. The load-settlement curve of the loaded superlong pile groups belongs to the type of gradual descent in silty sand. The transferred load decreased along the pile length during loading, but the gradients differed in different positions of the superlong pile group foundation with a hig

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Guan, Fuxin, Xiangdong Guo, Kebo Zeng, et al. "Overcoming losses in superlenses with synthetic waves of complex frequency." Science 381, no. 6659 (2023): 766–71. http://dx.doi.org/10.1126/science.adi1267.

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Superlenses made of plasmonic materials and metamaterials can image features at the subdiffraction scale. However, intrinsic losses impose a serious restriction on imaging resolution, a problem that has hindered widespread applications of superlenses. Optical waves of complex frequency that exhibit a temporally attenuating behavior have been proposed to offset the intrinsic losses in superlenses through the introduction of virtual gain, but experimental realization has been lacking because of the difficulty of imaging measurements with temporal decay. In this work, we present a multifrequency

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3

Ghosh, Rajib, and Rajib Chakraborty. "Superlensing property of 2-D glass photonic crystal." European Physical Journal Applied Physics 92, no. 2 (2020): 20501. http://dx.doi.org/10.1051/epjap/2020200237.

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A two dimensional square lattice photonic crystal (PhC) formed by placing glass matrix in air is proposed for subwavelength imaging around 840 nm. The superlensing behavior at relatively lower wavelength compared to other reported PhC superlens is obtained by this configuration. Other advantages of using glass is that they have lower optical absorption at this wavelength and is relatively cheap. By placing the proposed PhC arrangement between the object and the objective of a conventional optical microscope, superlensing effect can be realized. Moreover, any change in radius of glass rod durin

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Liang, Xiaoyu, Ruonan Wang, Huanqi Wu, et al. "A Novel Time–Frequency Parameterization Method for Oscillations in Specific Frequency Bands and Its Application on OPM-MEG." Bioengineering 11, no. 8 (2024): 773. http://dx.doi.org/10.3390/bioengineering11080773.

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Time–frequency parameterization for oscillations in specific frequency bands reflects the dynamic changes in the brain. It is related to cognitive behavior and diseases and has received significant attention in neuroscience. However, many studies do not consider the impact of the aperiodic noise and neural activity, including their time-varying fluctuations. Some studies are limited by the low resolution of the time–frequency spectrum and parameter-solved operation. Therefore, this paper proposes super-resolution time–frequency periodic parameterization of (transient) oscillation (STPPTO). STP

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Shi, Jun, Shuangshuang Jin, Lueqin Xu, Yangqing Liu, and Ruijie Zhang. "Theoretical and Numerical Studies of Elastic Buckling and Load Resistance of a Shuttle-Shaped Double-Restrained Buckling-Restrained Brace." Buildings 13, no. 8 (2023): 1967. http://dx.doi.org/10.3390/buildings13081967.

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A new type of shuttle-shaped double-restrained buckling-restrained brace (SDR-BRB) is proposed, which adopts the form of a shuttle-shaped deformation section similar to its bending moment distribution as the external restraining system. The SDR-BRB has the advantages of superlong size, high load-carrying capacity, and lightweight components, and is suitable for use in large-span spatial structures and bridge structures with an exposed BRB. First, the calculation formula of the elastic buckling load of a pin-ended SDR-BRB is derived based on the equilibrium method, which is verified through the

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Moussa, R., S. Foteinopoulou, Lei Zhang, et al. "Negative refraction and superlens behavior in a two-dimensional photonic crystal." Physical Review B 71, no. 8 (2005). http://dx.doi.org/10.1103/physrevb.71.085106.

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Dissertations / Theses on the topic "SUPERLENS BEHAVIOUR"

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AGARWAL, ASHWINI. "ENHANCED IMAGE RESOLUTION IN PHOTONIC CRYSTAL STRUCTURE BY MODIFICATION OF THE SURFACE STRUCTURE." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15143.

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Photonic crystals are inhomogeneous dielectric media with periodic variation of the refractive index. A photonic crystal gives us new tools for the manipulation of photons and thus has received great interests in a variety of fields. Photonic crystals also have applications in imaging. A number of imaging principles were demonstrated. In this thesis we focused,enhance the image resolution of photonic crystal by modification the surface structure and used the structure as a sensor. We utilize the superlens behaviour of the photonic crystal (PhC) structure composed of hexagonal lattice arr

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Conference papers on the topic "SUPERLENS BEHAVIOUR"

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Fenerci, Aksel, Yuwang Xu, and Ole Øiseth. "NUMERICAL STUDIES ON THE DYNAMIC BEHAVIOR OF A SUPERLONG CURVED PONTOON BRIDGE UNDER WIND AND WAVE ACTIONS." In 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Methods in Structural Dynamics and Earthquake Engineering. Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2019. http://dx.doi.org/10.7712/120119.7352.19214.

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Domenikos, G. R., P. Bitsikas, and E. Rogdakis. "Thermodynamic Modelling of Superfluid Stirling Cryocoolers." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10077.

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Abstract The aim of this paper is to describe and thermodynamically model cryogenic Stirling refrigerators, using Helium in its different forms as the working medium. Helium has unique properties at cryogenic temperatures forming a superfluid. The cryogenic Stirling refrigerators with Helium at such low temperatures make use of the properties of this superfluid nature of Helium, thus they are referred to as Superfluid Stirling Refrigerators (SSR). To make use of these remarkable properties of superfluid helium a different version of Stirling refrigerator is used where superleaks are introduced

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