$Q$-Switched Performance of Diode Pumped Nd : Lu$_{x(x = 0.15)}$Y$_{1 - x}$VO$_{4}$ Lasers

Zhang, Shuaiyi; Xu, Lin; Wang, Yan; Wang, Mingjian; Peng, Haiyan; Xu, Jianqiu; Zhao, Baozhen

doi:10.1109/lpt.2010.2042710

Cited by 57 publications

(91 citation statements)

References 14 publications

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“…For the energy/force calculation in the nonlocal region, we resort to a novel QM/MM approach that was developed recently for metals [43,44]. The coupling between the QM and MM regions is achieved quantum mechanically within an OFDFT formulation.…”

Section: Qcdft Methodologymentioning

confidence: 99%

“…Note that "MM" here is actually a misnomer: the local atoms are treated by OFDFT with the Cauchy-Born rule as mentioned earlier, and we retain the designation "MM" solely to indicate the similarity to the earlier coupling scheme [43,44].…”

Section: Qcdft Methodologymentioning

confidence: 99%

“…In the present QCDFT method, we use an OFDFT-based quantum mechanical QM/MM coupling proposed by Zhang and Lu [43,44] which considers the full Coulomb, kinetic energy, and exchange-correlation interactions. More specifically, both the energy of the nonlocal atoms and the interaction energy between the nonlocal atoms and the buffer atoms are calculated by OFDFT.…”

Section: Qcdft Methodologymentioning

confidence: 99%

“…The elastic moduli of C 12 , C 44 , C 11 of Al are computed from three deformation modes, including hydrostatic, volume-conserving tetragonal and volume-conserving rhombohedral deformations. The shear modulus μ and Poisson's ratio ν are computed from the elastic moduli by a Voigt average: μ =( C 11 − C 12 + 3C 44 . The values are listed in Table ( …”

Section: Model Setupmentioning

confidence: 99%

“…The linear relation in the P − d curve is due to: (1) the elastic response of the material before the onset of plasticity and (2) the particular choice of the rectangular indenter; a spherical indenter would have given rise to a parabolic P − d curve [11,13]. The slope for the linear part of the curve is 20.8 GPa, which is less than the shear modulus and C 44 . The critical load, P cr for homogeneous dislocation nucleation is 18.4 N/m, corresponding to a hardness of 7.3 GPa.…”

Section: Quantum Mechanical Simulation Of Pure Aluminummentioning

confidence: 99%

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Functional Micro‐/Nanomaterials for Multiplexed Biodetection

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When analyzing biological phenomena and processes, multiplexed biodetection has many advantages over single-factor biodetection and is highly relevant to both human health issues and advancements in the life sciences. However, many key problems with current multiplexed biodetection strategies remain unresolved. Herein, the main issues are analyzed and summarized: 1) generating sufficient signal to label targets, 2) improving the signal-to-noise ratio to ensure total detection sensitivity, and 3) simplifying the detection process to reduce the time and labor costs of multiple target detection. Then, available solutions made possible by designing and controlling the properties of micro-and nanomaterials are introduced. The aim is to emphasize the role that micro-/nanomaterials can play in the improvement of multiplexed biodetection strategies. Through analyzing existing problems, introducing state-of-the-art developments regarding relevant materials, and discussing future directions of the field, it is hopeful to help promote necessary developments in multiplexed biodetection and associated scientific research.

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Pushing the Limits of Metasurface Cloak Using Global Inverse Design

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et al. 2023

Advanced Optical Materials

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formation optics render an object invisible by guiding the flow of light around the hidden object without disturbance to the internal region. [2][3][4][5][6] The underlying physics is attributed to the form invariance of Maxwell's equations: a coordinate transformation can squeeze normal free space from a volume into a shell, only with volumetric constitutive parameters and electromagnetic (EM) fields. Not only in electromagnetics, but transformation optics have also thus far been evolved into a fashionable tool in the realm of sound, heat flow, water waves, and so on. In theory, this method is perfect; however, in an experiment, it is hampered by the bulky material compositions with both anisotropy and inhomogeneity. Substantial efforts have been devoted to mitigating the requirements, such as bilinear transformation optics without singularities and quasi-conformal transformations for ground-plane cloak. [7][8][9][10][11][12][13] Yet, these tradeoffs also impair the cloaking performance to some extend and make the application scenario become more specific.Metasurface cloak is another kind of cloaking methodology that develops contemporaneously. [14][15][16] By adding a layer of deliberately-designed metasurfaces over a hidden region or object, the scattered field can be reconstructed to be similar to that of the pure background, as if there were no region or object. [17][18][19][20][21] Compared with a bulky metamaterial cloak, a metasurface cloak has the distinct advantages of negligible thickness, easy fabrication, and low loss, ushering it popularity in both academia and industry. [22][23][24][25][26] The last several years have seen enormous progress to demonstrate metasurface cloak across different spectra and generalize it from reflection to transmission geometries. [27] Moreover, by incorporating active components and intelligent algorithms, it is promising to transform conventional static cloaking modality to dynamic cloaking that can self-direct to ever-changing external stimuli and environment. [28,29] These advancements are highly demanded for a multitude of practical applications involving moving objects and dynamic environments.Although the current arsenal of design techniques provides enormous capability, metasurface cloak, as well as other cloaking strategies, suffers from some inherent limitations that need to be lifted or pushed, [15] as schematically illustrated in Figure 1a. First, we notice that almost all previous metasurface cloaks have been demonstrated in a convex shape. [19,22,30] The breakthroughs of transformation optics and metamaterials have kickstarted the study of modern invisibility cloak since the beginning of this century. Many cloaking methodologies have been progressively proposed for specific application scenarios, among which metasurface cloak is largely welcomed owing to its salient features of negligible thickness, easy fabrication, and low loss. Similar to other cloaking methodologies, however, metasurface cloak suffers from inherent limits that impair it to a convex shap...

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$Q$-Switched Performance of Diode Pumped Nd : Lu$_{x(x = 0.15)}$Y$_{1 - x}$VO$_{4}$ Lasers

Cited by 57 publications

References 14 publications

First-Principles Quantum Simulations

First-Principles Quantum Simulations

Functional Micro‐/Nanomaterials for Multiplexed Biodetection

Pushing the Limits of Metasurface Cloak Using Global Inverse Design

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