Spin wave Brillouin measurements in FeCo with a virtually imaged phased array spectrometer [0.03%]
具有虚拟像相阵列光谱仪的铁钴材料中的磁振子布里渊谱测量研究
Sophie Chagnon-Lessard,Michael Newburger,Michael Wolf et al.
Sophie Chagnon-Lessard et al.
We demonstrate for what we believe to be the first time the efficient acquisition of spin wave Brillouin spectra with a virtually imaged phase array-based spectrometer and an etalon-based notch filter. Thermally excited magnons in a 5 nm ep...
High-precision calibration of the DKDP modulator for polarization measurement in solar telescopes [0.03%]
用于太阳望远镜偏振测量的DKDP调制器高精度标定
Zhuangjing Xiong,Naiting Gu,Yawei Xiao et al.
Zhuangjing Xiong et al.
DKDP modulators are widely employed in polarization measurements of solar telescopes. Accurate calibration of the DKDP modulator is essential to ensure reliable polarization measurements. In this paper, we propose a method for calibrating t...
Prism-based self-calibration virtual cameras to generate rotating view fields for 6DOF pose measurement [0.03%]
基于棱镜自标定虚拟相机的六自由度位姿测量方法研究
Zhaojun Deng,Anhu Li
Zhaojun Deng
Pose measurement for the six degrees of freedom (6DOF) determination is a key task in autonomous navigation and smart manufacturing. In this paper, self-calibration virtual cameras are proposed using what we believe to be a novel rotating-p...
Study on the spectral characteristics of IF signals and its influence on the performance of heterodyne Φ-OTDR [0.03%]
关于IF信号光谱特性的研究及其对混频Φ-OTDR性能的影响研究
Chi Zhang,Chengzhen Luo,Xiyuan Zhang et al.
Chi Zhang et al.
The heterodyne phase-sensitive optical time-domain reflectometer (Φ-OTDR) is one of the most popular distributed optical fiber sensing (DOFS) technologies due to its high sensitivity, wide frequency response bandwidth, large dynamic range,...
Qiming Liao,Yin Liu,Naseer Muhammad et al.
Qiming Liao et al.
Metalenses tremendously manipulate the incident light to focus beam by carefully selecting and arranging the meta-atoms. However, their integration with optical components is a challenge. Existing approaches often involve bulky intermediary...
Phonon-coupled perfect absorption in photonic-plasmonic hybrid metasurfaces [0.03%]
光子等离激元杂化超表面中的声子耦合完美吸收
Haining Chong,Wenkang Zhang,Yuanhao Mu et al.
Haining Chong et al.
The simultaneous spectral and spatial confinement of optical modes, governed by high-Q resonances and subwavelength field localization, is critical for optimizing light-matter interactions. However, the coupling mechanisms in non-local meta...
Comprehensive investigation of longitudinal spindle-shaped Yb-doped fibers for high-power laser applications [0.03%]
用于高功率激光应用的纵向纺锤形掺Yb光纤的全面调查研究
Yun Ye,Zhiping Yan,Chunxiao Zhao et al.
Yun Ye et al.
We present a comprehensive investigation on the laser properties of longitudinal spindle-shaped Yb-doped fibers (SYDFs), focusing on transverse mode instability (TMI) and stimulated Raman scattering (SRS), by conducting theoretical and expe...
Min Liu,Tianheng Zhang,Binhang Xu et al.
Min Liu et al.
Thin-film lithium niobate (TFLN) has gained significant attention as a platform for photonic integrated circuits (PICs) due to its exceptional properties, including high nonlinear coefficients and a strong electro-optic response. However, e...
Genkei Tei,Yuto Shinbo,Yisheng Ni et al.
Genkei Tei et al.
Visible-light waveguides and thermo-optic switches were fabricated and demonstrated using Nb2O5, a material with a high refractive index in the visible spectrum, to investigate its material properties and switching performance. To the best ...
Femtosecond laser melting upconversion nanoparticles for sub-micrometer optical patterning [0.03%]
飞秒激光融化上转换纳米颗粒实现亚微米光学图案化技术
Weizhao Gu,Simone Lamon,Min Gu et al.
Weizhao Gu et al.
This study introduces a method for precise modulation of upconversion luminescence (UCL) in UCNP thin films via laser-induced melting, enabling high-resolution, sub-micrometer optical patterning. By employing a 460-nm femtosecond (fs) laser...