Results 241 to 250 of about 155,284 (320)

Hole Injection Barrier‐Driven Positive Aging Mechanism in Inverted QLEDs

Advanced Optical Materials, EarlyView.
Comparing quantum dots‐light‐emitting diodes fabricated with different hole transport materials, it is discovered that the interface non‐radiative recombination process introduced by the elevated hole injection barrier can trigger the positive aging process of the device.
Yin‐Man Song, Meng‐Wei Wang, Hang Liu, Hui Bao, Ting Ding, Jing Jiang, PeiLi Gao, Long‐Jia Wu, Xiong‐Feng Lin, Hai‐Zheng Zhong, Kar Wei Ng, Shuang‐Peng Wang   +11 more
wiley   +1 more source

Terahertz Spoof Surface Plasmon Polariton Structure for High‐Precision Gas Sensor Technology

Advanced Photonics Research, EarlyView.
This study presents a high‐sensitivity THz sensor based on spoof surface plasmon polaritons, optimized for gas sensing. The multilayer structure enables placement of the sample material in the densest region of the plasmonic surface waves, enhancing interaction with THz waves and significantly improving sensitivity to small refractive index variations ...
Vahid Najafy, Bijan Abbasi‐Arand, Maryam Hesari‐Shermeh   +2 more
wiley   +1 more source

Mitigating Losses in Hyperbolic Asymptotic Eigenmodes

Advanced Photonics Research, EarlyView.
Herein, hyperbolic asymptotic eigenmodes, high‐k modes aligned with asymptotic directions in hyperbolic metamaterials, are introduced. By tuning permittivity tensors to balance loss compensation (Re(ε∥)/Re(ε⊥)=Im(ε∥)/Im(ε⊥))$\left(\right. \text{Re} \left(\right. \left(\epsilon\right)_{\parallel} \left.\right) / \text{Re} \left(\right.
Lu Song, Huaping Wang, Yingjie Wu, Tong Cai, Jiangang Liang, Lian Shen   +5 more
wiley   +1 more source

Stimulated Raman Scattering with Optical Vortex Beams

Advanced Photonics Research, EarlyView.
This study presents exact analytical expressions for stimulated Raman scattering with Laguerre‐Gaussian beams, revealing signal dependence on topological and hyperbolic momentum. The results provide a theoretical foundation for coherent Raman imaging and detecting orbital angular momentum of light via structured light in nonlinear optics.
Minhaeng Cho
wiley   +1 more source

Electrical burn injury: a five-year survey of 682 patients. [PDF]

Trauma Mon, 2014
Ghavami Y, Mobayen MR, Mobayen MR, Vaghardoost R.   +3 more
europepmc   +1 more source

Polarization Management on Anisotropic Thin‐Film Lithium Niobate Platform

Advanced Photonics Research, EarlyView.
This review focuses on x‐cut thin‐film lithium niobate (TFLN), exploring strategies to mitigate anisotropy and mode hybridization. It covers polarization beam splitters, rotators, splitter‐rotators, polarizers, and polarization‐insensitive components. Key applications include polarization‐division multiplexing, polarization‐insensitive modulation, and ...
Kaixuan Chen, Youxin Liu, Xinke Xing, Haohua Wang, Tian Gao, Weilong Ma, Fansu Zhao, Lingfeng Wu, Changjian Guo, Liu Liu   +9 more
wiley   +1 more source

In‐Hand Singulation, Scooping, and Cable Untangling with a 5‐Dof Tactile‐Reactive Gripper

Advanced Robotics Research, EarlyView.
This article presents a two‐fingered gripper with five degrees of freedom and a vision‐based tactile sensor for dexterous in‐hand manipulation. It performs complex tasks such as object singulation within granular media, scooping and precise card insertion, and cable untangling.
Yuhao Zhou, Pokuang Zhou, Shaoxiong Wang, Yu She   +3 more
wiley   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Intrinsically Soft Implantable Electronics for Long‐term Biosensing Applications

Advanced Sensor Research, EarlyView.
Intrinsically soft implantable biosensors address the mechanical mismatch of conventional rigid implants, improving biocompatibility and stability. This review explores soft encapsulation matrices, stretchable conductors, implantation strategies, and chronic fixation techniques.
Su Hyeon Lee, Hyo Jin Lee, Sohye Lee, Dae‐Hyeong Kim, Hye Jin Kim, Sung‐Hyuk Sunwoo   +5 more
wiley   +1 more source

Cervical Myelopathy after High-voltage Electrical Burn of the Head: Report of an Unusual Case.

Ann Indian Acad Neurol, 2018
Sharma SR, Hussain M, Hibong H.
europepmc   +1 more source