Eliminating sunlight backflow in AR-HUDs using a nonreciprocal optical isolator under the constraint of étendue [0.03%]
基于étendue约束的大尺寸AR-HUD系统中消除阳光倒灌的非互易光隔离器设计方法研究
Yi Liu,Yifan Ding,Haoteng Liu et al.
Yi Liu et al.
During daylight operation, sunlight propagates in reverse along the imaging path of a head-up display (HUD) through the windshield. Sunlight is then concentrated on the display panel, thereby degrading reliability. The sunlight backflow sho...
Guillaume Baillot,Karine Tavernier,Paul Huillery et al.
Guillaume Baillot et al.
Light propagation is typically hindered by obstacles along its path. A common strategy is therefore to shape the light field so that it avoids interacting with them, an idea recently popularized by invisibility cloaks. Previous studies have...
A high-linearity, low-power 10-mm MEMS fast steering mirror with enhanced shock robustness for space laser communications [0.03%]
一种高线性度、低功耗且抗冲击性强的星上激光通信10mmMEMS偏转镜
Jiapeng Hou,Haoxiang Li,Yantao Dong et al.
Jiapeng Hou et al.
We report a high-performance electromagnetic micro-electro-mechanical-system (MEMS) fast steering mirror (FSM) designed to meet the pressing need for miniaturized laser communication terminals on small low-earth-orbit (LEO) satellites. With...
Jun Ye,Wenxuan Gu,Meng Li et al.
Jun Ye et al.
Vector vortex beams (VVBs) with simultaneous helical phase and non-uniform polarization distributions are attracting extensive research interest due to their unique properties. However, achieving arbitrary, tunable-order, and high-power VVB...
Out-of-plane symmetry breaking of terahertz metamaterials for dual-polarization quasi-BIC [0.03%]
太赫兹手性对称破缺 metamaterials 中的双线偏振准_boundstates in the continuum
Xiangfei Yuan,Ruiyan Zheng,Yongzheng Sun et al.
Xiangfei Yuan et al.
This work proposes a gap-opening double-elliptical cylinder metamaterial that achieves dual polarization multi-resonance mode synergistic excitation by introducing out-of-plane symmetric breaking. Under TE polarization, an exceptionally hig...
Resonant enhancement of sub-THz Faraday rotation in an antiferromagnetic-semiconductor metasurface [0.03%]
手性反铁磁绝缘体中超 THz 波的强法拉第旋光效应
S Yu Polevoy,A A Girich,S I Tarapov
S Yu Polevoy
We numerically demonstrate a compact hybrid metasurface enabling low-voltage and dual-field control of enhanced Faraday rotation in the sub-terahertz regime. The structure combines a thin-film antiferromagnet (MnF2), exhibiting resonance ne...
Single-shot high-aspect-ratio drilling of transparent dielectrics using an orthogonal dual-USPL configuration [0.03%]
基于正交双-USPL配置的大长径比透明介质单次飞秒激光直写技术
Takumi Koike,Naohiko Sugita,Yusuke Ito
Takumi Koike
Transparent dielectrics are essential in advanced photonic, electronic, and medical devices owing to their excellent properties, but these very properties also make efficient micromachining difficult, particularly for high-aspect-ratio deep...
Jie Wang,Yuhang Mei,Haisen Yuan et al.
Jie Wang et al.
In this Letter, a line-scan phase measuring deflectometry (LSPMD) method for online three-dimensional (3D) shape reconstruction of specular surfaces is proposed for the first time, to the best of our knowledge. Differing from conventional P...
Design methodology of broadband near-perfect thin-film absorbers based on ideal dispersion relations [0.03%]
基于理想色散关系的宽带近完美薄膜吸收体设计方法学研究
Yanling Qiu,Zhenlong Xie,Yihang Chen
Yanling Qiu
We propose a theoretical framework based on ideal dispersion to achieve broadband perfect absorption in thin-film structures with alternating lossy and dielectric layers. Using the Airy formula, the ideal dispersion relation of the lossy ma...
Drawing-induced improvement of amplification in bismuth-doped phosphosilicate fibers [0.03%]
掺磷硅酸盐铋棒状光纤中的画图增益优化效应
A Mehaboob,J Lefebvre,T Meyneng et al.
A Mehaboob et al.
This study investigates drawing-induced effects on bismuth active centers (BACs) and optical amplification in Bi-doped phosphosilicate fibers operating in E and S bands. A twofold increase in BAC-related active absorption was observed, whil...