Results 111 to 120 of about 3,284,050 (252)

Phase Hologram by Acoustic Metasurfaces

Small Structures, EarlyView.
This work has achieved a breakthrough in holographic communication, realizing phase holographic imaging. The proposed phase holographic concept overcomes the limitations of traditional amplitude holographic energy attenuation. The design of its amplitude compensation method further addresses the key challenge of phase holographic imaging clarity ...
Xiao Guo, Haohan Zeng, Xinghao Hu, Youyu Mo, Xinzong Wang, Xiao Liang, Yusen Wu, Tingting Li, Haiyan Fan, Yifan Zhu, Hui Zhang, Badreddine Assouar   +11 more
wiley   +1 more source

Revisiting PSF models: Unifying framework and high‐performance implementation

Journal of Microscopy, EarlyView.
Abstract Localisation microscopy often relies on detailed models of point‐spread functions. For applications such as deconvolution or PSF engineering, accurate models for light propagation in imaging systems with a high numerical aperture are required. Different models have been proposed based on 2D Fourier transforms or 1D Bessel integrals.
Yan Liu, Vasiliki Stergiopoulou, Jonathan Chuah, Eric Bezzam, Gert‐Jan Both, Michael Unser, Daniel Sage, Jonathan Dong   +7 more
wiley   +1 more source

Modeling and Improving Geometric Accuracy in Projection Multiphoton Lithography

Advanced Optical Materials, Volume 14, Issue 6, 9 February 2026.
A numerical framework describing the optical and photochemical processes is developed to elucidate the origins of geometric deviations in projection multiphoton lithography. The results indicate that oxygen diffusion and inhibition, and DMD diffraction, lead to geometric distortions.
Anwarul Islam Akash, Jason E. Johnson, Xianfan Xu   +2 more
wiley   +1 more source

Radial canonical AdS3 gravity and T T ¯ $$ T\overline{T} $$

Journal of High Energy Physics
We employ an ADM deparametrization strategy to discuss the radial canonical formalism of asymptotically AdS3 gravity. It leads to the identification of a radial ‘time’ before quantization, which is the volume time, canonically conjugate to York time ...
Matthew J. Blacker, Nele Callebaut, Blanca Hergueta, Sirui Ning   +3 more
doaj   +1 more source

Liouville action and Holography on quasi-Fuchsian deformation spaces

, 2017
We study the Liouville action for quasi-Fuchsian groups with parabolic and elliptic elements. In particular, when the group is Fuchsian, the contribution of elliptic elements to the classical Liouville action is derived in terms of the Bloch-Wigner ...
Park, Jinsung, Teo, Lee-Peng
core   +1 more source

Local‐to‐Nonlocal Second‐Harmonic Generation from Electrically Tunable Intersubband Polaritonic Metasurfaces

Advanced Science, Volume 13, Issue 9, 13 February 2026.
A local‐to‐nonlocal SHG process is demonstrated on an electrically tunable metasurface, combining an LSPR at the FF with a TM‐GMR at the SH to achieve independent dual tunability. Through modal‐overlap engineering of the proposed scheme, a high‐χ(2) MQW meta‐atom delivers strong nonlinearity while achieving 2‐DoF SH control with minimal trade‐offs ...
Jaesung Kim, Hyeongju Chung, Seongjin Lee, Gerhard Boehm, Mikhail A. Belkin, Jongwon Lee   +5 more
wiley   +1 more source

Quantum complexity of T T ¯ $$ T\overline{T} $$ -deformation and its implications

Journal of High Energy Physics
We employ holography to calculate the quantum complexity of T T ¯ $$ T\overline{T} $$ -deformation, utilizing the complexity equals volume (CV) and the complexity equals action (CA) proposals within the bulk spacetime with a finite radius cutoff. We find
Amin Faraji Astaneh
doaj   +1 more source

Gravity from the entropy of light

, 2011
The holographic principle, considered in a semiclassical setting, is shown to have direct consequences on physics at a fundamental level. In particular, a certain relation is pointed out to be the expression of holography in basic thermodynamics.
't Hooft G, Alessandro Pesci, Bousso R, Caravelli F Modesto L, Lee J-W Kim H-C Lee J, Markopoulou F Smolin L, Misner C W, Padmanabhan T, Pesci A, Pesci A, Pesci A, Verlinde E P, Wald R M, Wald R M   +13 more
core   +1 more source

In Situ Liquid‐Cell Transmission Electron Microscopy Insights Into Lithium‐Ion Battery Materials Degradation: Challenges and Emerging Solutions

Advanced Science, Volume 13, Issue 8, 9 February 2026.
Lithium‐ion battery degradation arises from complex, localized processes during operation, limiting long‐term performance. In situ electrochemical liquid cell TEM provides unique access to these mechanisms. This review summarizes degradation phenomena revealed by liquid cell TEM, traces the evolution of the three main cell designs, compares their ...
Walid Dachraoui, Rolf Erni
wiley   +1 more source

Characterization of Volume Gratings Based on Distributed Dielectric Constant Model Using Mueller Matrix Ellipsometry

Applied Sciences, 2019
Volume grating is a key optical component due to its comprehensive applications. Other than the common grating structures, volume grating is essentially a predesigned refractive index distribution recorded in materials, which raises the challenges of ...
Hao Jiang, Zhao Ma, Honggang Gu, Xiuguo Chen, Shiyuan Liu   +4 more
doaj   +1 more source