Multierror learning enhanced fluorescence diffusion tomography in reflection geometry [0.03%]
基于反射几何学的多误差学习增强型荧光扩散层析成像技术
Haitao Chen,Kaixian Liu,Yuxuan Jiang et al.
Haitao Chen et al.
Accurate three-dimensional (3D) localization and sensing of intravital fluorescent probes are indispensable for elucidating neural circuit mechanisms and evaluating tumor dynamics. Fluorescence diffusion tomography in reflection geometry (r...
Octave-spanning, continuously tunable injection-seeded backward terahertz-wave parametric oscillator [0.03%]
八倍频程连续可调的种子注入宽带太赫兹参量振荡器
Joselito E Muldera,Kouji Nawata,Yuma Takida et al.
Joselito E Muldera et al.
We present an all-optical, octave-spanning, continuously tunable injection-seeded backward terahertz-wave parametric oscillator (BW-TPO) pumped with a pulsed Nd:YAG laser along with a continuous-wave seed laser. As a BW-TPO gain medium, fou...
Jiahui Ren,Yikai Xu,Lei Zhou et al.
Jiahui Ren et al.
We have developed a mirrored photonic crystal interface (MPCI) by applying a mirror operator to expanded honeycomb photonic crystals (EHPCs) exhibiting nontrivial band topology. This configuration supports a pair of interface states charact...
Xuhui Li,Yanhong Gao,Rudong Xue et al.
Xuhui Li et al.
Spectral imaging combines the advantages of spectroscopy as an analytical tool with the two-dimensional object visualization obtained by optical imaging. At present, spectral imaging systems suffer from severe scale-dependent geometric aber...
Emergent topological interfacial states in 3D photonic crystals via half-period structural shifts [0.03%]
基于半周期结构偏移的三维光子晶体拓扑界面态的研究
Mengyao Xu,Qinghua He,Wenhui Wang et al.
Mengyao Xu et al.
While higher-order two-dimensional (2D) topological photonic crystals have been extensively explored, 3D analogues remain scarce despite their potential for richer topological phenomena and applications in robust 3D photonic networks. In th...
Beam interaction and targeted optimization methods for AR waveguide design [0.03%]
AR波导设计中的光束交互及目标优化方法研究
Jeremy Goodsell,Daniel K Nikolov,A Nick Vamivakas et al.
Jeremy Goodsell et al.
Waveguide combiners for augmented reality are a popular architecture because they can remain compact while delivering a large etendue to the user. Waveguides propagate light via total internal reflection, passing light from the display engi...
Design of multifunctional tunable dual-layer metalens based on deep learning [0.03%]
基于深度学习的多功能可调双层金属透镜设计
Yu Wang,Yue Wang,Guohui Yang et al.
Yu Wang et al.
To address the challenges of complex control in individually tunable meta-atoms and the limited modulation performance of single-layer holistic tunable metalenses, we propose a dual-layer tunable multifunctional metalens that utilizes holis...
Two-decadal shifts in phytoplankton functional taxa (2002-2022) in response to extreme marine heatwaves [0.03%]
海洋极端高温事件下浮游植物功能类群的二十年变化(2002-2022)
Ronglong Chen,Deyong Sun,Shengqiang Wang et al.
Ronglong Chen et al.
Phytoplankton play a crucial role in the primary productivity of ocean ecosystems, rendering changes in their populations particularly consequential. The effects of extreme sea surface temperature (SST) on phytoplankton are noteworthy. Howe...
High-efficiency multi-spot beam generation with an all-fiber SMF-SCF structure [0.03%]
具有高效率多光斑生成的全光纤SMF-SCF结构
Yongmin Jung,Natasha Vukovic,Christophe A Codemard et al.
Yongmin Jung et al.
We propose an efficient, fully fiber-based method for generating multi-spot beam patterns using single-mode fiber (SMF) and square-core fiber (SCF) structures. This technique leverages multimode interference in the SCF to produce configurab...
Subwavelength 3D terahertz imaging with a single-pixel laser transceiver [0.03%]
基于单像素激光收发器的太赫兹三维亚波长成像技术
Jorge Silva,Martin Plöschner,Karl Bertling et al.
Jorge Silva et al.
Terahertz imaging holds great potential for non-destructive material inspection, but practical implementation has been limited by resolution constraints. In this study, we present a single-pixel THz imaging system based on a confocal micros...