Rapid fabrication of customizable periodic structures using DMD-Dammann interference lithography [0.03%]
基于DMD-Dammann干涉光刻的周期结构快速定制化加工方法
Zi-Yi Zhou,Xian-Zi Dong,Xuan-Ming Duan et al.
Zi-Yi Zhou et al.
We present a hybrid lithography approach integrating digital micromirror device (DMD) projection with multi-beam interference enabled by a Dammann grating. This approach allows for the rapid fabrication of two-dimensional complex periodic s...
Quasi-periodic vector optical field and its application in information encoding and transmission [0.03%]
准周期矢量光束及其在信息编码和传输中的应用研究
Xu-Zhen Gao,Xue-Feng Sun,Yue Pan
Xu-Zhen Gao
Quasi-periodicity has numerous applications in various fields, such as the discovery and study of quasicrystals. In the region of manipulating vector optical fields (VOFs), the periodicity is very common, but the quasi-periodicity is rarely...
Hänsch-Couillaud locking of a large Sagnac interferometer: advancing below the flicker floor [0.03%]
大型萨格纳克干涉仪的 Hänsch-Couillaud 锁频：降低闪烁噪声底限
Jannik Zenner,Karl Ulrich Schreiber,Simon Stellmer
Jannik Zenner
Large Sagnac interferometers in the form of active ring lasers have emerged as unique rotation sensors in the geosciences, where their sensitivity allows one to detect geodetic and seismological signals. The passive laser gyroscope variant,...
Photothermal microtip with "nanotrap" on a fiber-optic end-face grating for specific sensing of inert gas Xe [0.03%]
一种基于光纤端面光栅的“纳米陷阱”光热微尖结构用于惰性气体Xe的特定传感
Lingxin Kong,Wenyu Yan,Zhixin Gao et al.
Lingxin Kong et al.
This study proposes a fiber-optic xenon (Xe) sensor with photothermally tunable gas concentration sensitivity (PTGCS). A polymer microtip doped with Xe-selective material MOF-1 and photothermal material MOF-2 on the single-mode fiber (SMF) ...
Optical medical image encryption scheme based on a biological interaction system [0.03%]
基于生物交互系统的光学医学图像加密方案
Chaofeng Zhao,Xinchao He,Yaoyue Wang
Chaofeng Zhao
In optical imaging and sensing applications, reliable and efficient medical image encryption is essential for secure transmission. This work proposes a novel, to the best of our knowledge, security scheme that integrates a bio-interactive s...
Spectral division multiplexing-based region projection for 3D measurement under mutual reflection [0.03%]
基于光谱划分复用的互反光场景三维测量区域投影方法
Ji Tan,Tao Zou,Huankun Chen et al.
Ji Tan et al.
Structured-light techniques have demonstrated superior performance in 3D shape measurement. However, measuring multiple objects with diverse reflective properties remains challenging due to mutual reflection interference. This Letter propos...
Tianxiang Cheng,Zhenhua Cong,Zhaojun Liu et al.
Tianxiang Cheng et al.
An all-solid-state single-frequency 248 nm deep-ultraviolet (DUV) source with watt-level (~1.2 W) average power was realized by sum-frequency generation (SFG) between 355 nm and 827 nm lasers, which is nearly one order-of-magnitude higher t...
Multiple high-quality quasi-bound states in the continuum based on terahertz all-metallic gradient slit arrays [0.03%]
基于太赫兹全金属渐变缝隙阵列的多个高品质系留连续态
Dejun Liu,Feng Wu,Lin Chen et al.
Dejun Liu et al.
Here, we experimentally investigate multiple high-quality quasi-bound states in the continuum (BICs) in all-metal metasurfaces operating at terahertz frequencies. The metasurface integrates several slits with varying lengths, forming gradie...
Optical crosstalk reduction of InGaN micro-LED array based on a reflective wall design for display applications [0.03%]
基于反射墙设计的InGaN微LED阵列光学串扰抑制技术在显示应用中的研究
Junyuan Chen,Zhou Wang,Yijing Lin et al.
Junyuan Chen et al.
Optical crosstalk plays a key role in degrading the color accuracy and contrast of GaN-based micro-light emitting diodes (micro-LEDs) in display applications, and a comprehensive solution to this issue remains elusive. In this Letter, we pr...
Deep imaging by NIR-II multifocal structured illumination microscopy with enhanced super-resolution radial fluctuation [0.03%]
增强型超分辨率径向波动法的NIR-II多焦点结构照明显微镜深组织成像研究
Liang Feng,Jiaqi Li,Jie Zhang et al.
Liang Feng et al.
Compared to wide-field (WF) microscopy in the second near-infrared (NIR-II) window, NIR-II multifocal structured illumination microscopy (NIR-II MSIM) provides a twofold improvement in transverse spatial resolution, along with enhanced pene...