Results 101 to 110 of about 3,284,050 (252)

Mid‐Infrared Integrated Photonics: Material Platforms and Emerging Applications

Laser &Photonics Reviews, EarlyView.
Mid‐infrared (MIR) integrated photonics enables advanced chemical and biological sensing through the unique absorption features of molecules in the 2–20 µm range. This review highlights recent material advances such as chalcogenide glasses, silicon, and graphene and explores MIR applications in environmental monitoring, medical diagnostics ...
Muhammad Ali Butt, Daniel Pastor Abellán, Ryszard Piramidowicz   +2 more
wiley   +1 more source

Some information theoretic aspects of de-Sitter holography

Journal of High Energy Physics, 2020
Built on our observation that entangling surfaces of the boundary field theory are great co-dimension one spheres in the context of DS/dS correspondence, we study some information theoretic quantities of the field theory dual intensively using ...
Hao Geng
doaj   +1 more source

Holographic mensuration of suspended particles in aquatic systems [PDF]

, 1995
The distribution and dynamics of aggregates in the aquatic environment play an important role in the modelling of biogeochemical processes. Previous work on aggregates in the ocean (e.g.
Hobson, PR, Krantz, EP, Lampitt, RS, Rogerson, A, Watson, J   +4 more
core  

Phase‐Retrieved High‐Throughput Multi‐Channel Simultaneous Surface Plasmon Resonance Detection

Laser &Photonics Reviews, EarlyView.
This work presents a new phase‐retrieval high‐throughput multi‐channel simultaneous SPR detection framework. By integrating an objective lens‐based coupling system with a rotation‐based ePIE (r‐ePIE) phase retrieval on the back focal planes, this framework significantly reduces the minimum required detection area to reveal localized information.
Mengqi Shen, Xiaoping Jiang, Shibiao Wei, Michael G. Somekh   +3 more
wiley   +1 more source

Coherence‐Gated Mirau Interferometry for Single‐Shot Quantitative Phase Imaging and Motion Sensing

Laser &Photonics Reviews, EarlyView.
This paper presents a compact add‐on module converting a Mirau or other on‐axis interferometer into a single‐shot quantitative phase imaging system using coherence gating and precise optical path matching. Demonstrations include time‐resolved imaging of human cells and streaming red blood cells, visualization of evaporation dynamics in liquid mixtures,
Petr Bouchal, Martin Konečný, Zdeněk Nováček, Radim Chmelík, Zdeněk Bouchal   +4 more
wiley   +1 more source

Heat engines for scale invariant systems dual to black holes

Communications Physics
According to holography, a black hole is dual to a thermal state in a strongly coupled quantum system. One of the best-known examples of holography is the Anti-de Sitter/Conformal Field Theory (AdS/CFT) correspondence.
Nikesh Lilani, Manus R. Visser
doaj   +1 more source

Signal and noise in helioseismic holography

, 2018
Helioseismic holography is an imaging technique used to study heterogeneities and flows in the solar interior from observations of solar oscillations at the surface. Holograms contain noise due to the stochastic nature of solar oscillations. We provide a
Barucq, Hélène, Birch, Aaron C., Fournier, Damien, Gizon, Laurent, Yang, Dan   +4 more
core   +1 more source

Coral‐Like Yolk–Shell‐Structured CoNi@Void@C Microspheres for Enhanced Microwave Absorption, Photothermal, Anti‐Corrosion, and Radiation Shielding Properties

Rare Metals, EarlyView.
ABSTRACT Considering the multiple challenges faced by stealth coatings in complex service environments, the development of multifunctional integrated microwave absorbing materials (MAMs) that combine efficient electromagnetic (EM) attenuation with environmental tolerance has become an urgent need. In this work, coral‐like CoNi@Void@C microparticle (MP)
Jiale Wu, Kaizhao Wang, Kaijun Wang, Hyeona Park, Jangyeon Hwang, Junkai Li, Yafei Wang, Jin Hu, Shizhao Xiong   +8 more
wiley   +1 more source

Carrier Mapping in Sub‐2nm Node Nanosheet Transistors with Scanning Spreading Resistance Microscopy

Small Methods, EarlyView.
Within this work, advancements in scanning spreading resistance microscopy (SSRM) allow charge carrier mapping within 5.5 nm‐thick nanosheet channels. Devices subjected to rapid thermal annealing at 950°C show ∼ 5 nm enhanced phosphorus diffusion, with profiles in close agreement with semi‐atomistic process simulations.
Andrea Pondini, Pierre Eyben, Lennaert Wouters, Albert Minj, Thomas Hantschel, Philippe Matagne, Jérôme Mitard, Anne Verhulst   +7 more
wiley   +1 more source

Brick Walls and AdS/CFT

, 2014
We discuss the relationship between the bulk-boundary correspondence in Rehren's algebraic holography (and in other 'fixed-background' approaches to holography) and in mainstream 'Maldacena AdS/CFT'.
Bernard S. Kay, BS Kay, BS Kay, BS Kay, BS Kay, BS Kay, D Buchholz, DG Boulware, GW Gibbons, J Dimock, JB Hartle, L. Ortíz, OW Greenberg, PD Francesco, R Haag, R Haag, RM Wald, SA Fulling, SJ Avis, SW Hawking, SW Hawking, SW Hawking, T Ortín, W Israel, WG Unruh, Y Takahashi, Y Takahashi   +26 more
core   +1 more source