High-sensitivity, low-noise, and stable fiber vibration sensor using an integrated fiber cantilever beam with surface plasmon resonance microcavities [0.03%]
一种基于表面等离激元共振微腔的集成光纤悬臂梁高灵敏低噪声稳定式振动传感器
Weiyu Kong
Weiyu Kong
Fiber-optic vibration sensors have been studied widely owing to their anti-electromagnetic interference, corrosion resistance, and ease of integration and distribution. Previous reports primarily focused on the frequency detection of vibrat...
Sellmeier equation for the refractive index of ordinary light in 5 mol.% MgO-doped congruent lithium niobate [0.03%]
5mol%氧化镁掺杂铌酸锂晶体寻常光折射率的Sellmeier公式
Bo-Wen Liu,Zhao-Qi-Zhi Han,Jin-Peng Li et al.
Bo-Wen Liu et al.
Congruent lithium niobate is a type of lithium niobate crystal with a mature growth process and is widely used in nonlinear optics research. Its refractive index accuracy will play a crucial role in the research and application of nonlinear...
Volume Bragg grating with tunable reflectivity and the bandwidth assisted Fabry-Pérot cavity [0.03%]
反射率可调的体布拉格光栅及用于辅助法布里-珀罗腔的光栅带宽研究
Hejin Wang,Jiamin Chen,Feng Wen et al.
Hejin Wang et al.
The rigid Fabry-Pérot (F-P) cavity has emerged as the preferred core sensing component for optical pressure, vibration, and acoustic sensing in harsh environments, owing to its high reliability and structural stability. However, due to the...
Multifocal near-eye display with a vari-focal lens and adjustable aperture [0.03%]
带有可变焦镜头和可调光圈的多焦点近眼显示设备
Gyu-Chan Han,Woongseob Han,Kwang-Soo Shin et al.
Gyu-Chan Han et al.
Multifocal near-eye displays present three-dimensional images by creating multiple image planes at different depths within eye integration time. The refresh rate of the usual display panel is, however, not sufficiently fast, which results i...
Displacement measurement with CCD Moiré method considering the relative rotation of gratings [0.03%]
考虑光栅相对旋转的CCD莫尔法位移测量
Zhihao Shangguan,Chen Gui,Jiaming Sun et al.
Zhihao Shangguan et al.
Utilizing the periodic pixel configuration of the CCD/CMOS imaging sensor as the reference grating and the image of the real grating formed by the lens as the specimen grating, the CCD Moiré method directly outputs amplified Moiré fringes...
Exploring electron density and terahertz polarization characteristics in inductively coupled plasmas by terahertz spectroscopy and polarimetry [0.03%]
基于太赫兹光谱及偏振测量的感应耦合等离子体电子密度和太赫兹偏振特性研究
Haitao Tao,Susu Hu,Haiqing Liu et al.
Haitao Tao et al.
As a noninvasive optical method, terahertz time-domain spectroscopy (THz-TDS) has been applied to diagnose the plasma parameters. Previous reports mainly focused on the phase and amplitude changes of THz waves induced by the plasma, while t...
MMI combiner integrated 4 × 50 Gb/s array of directly modulated 1.3 µm DFB lasers with MQW-based passive reflectors [0.03%]
一种集成直接调制分布式反馈激光器的新型MMI合路器结构
Xuyuan Zhu,Xiaobo La,Huan Li et al.
Xuyuan Zhu et al.
We report an InP-based MMI combiner integrated array of 4 channel directly modulated 1.3 µm distributed feedback (DFB) lasers. Each laser channel in the array has an active DFB section and a passive distributed Bragg reflector (DBR) sectio...
Low-loss dispersion compensation of high-speed data with integrated, concatenated gratings [0.03%]
集成级联光栅的低损耗高宽带数据色散补偿
Kenny Y K Ong,A Aadhi,George F R Chen et al.
Kenny Y K Ong et al.
Optical transceivers serve as the backbone of high-speed data transmission over optical fiber in communication systems and there is a constant challenge to keep cost and power consumption low while increasing data capacities. However, dispe...
Focusing and tight-focusing properties of radially polarized Bessel-Gaussian power-exponent-phase vortex beams [0.03%]
径向偏振的BG-P ePub光束的聚焦和紧聚焦性质研究
Honglian Liu,Yulin Zhu,Jun Liu et al.
Honglian Liu et al.
In this paper, the focusing and tight-focusing properties of radially polarized (RP) Bessel-Gaussian (BG) rotationally-symmetric power-exponent-phase vortex beam (RPVBs) were investigated theoretically and experimentally. Based on the theor...
SNR enhanced OAM mode division multiplexing with in-band noise modulation based on cascade delta-sigma modulation [0.03%]
基于级联德尔塔-西格玛调制的带内噪声调制的信噪比增强OAM模式复用技术
Sihan Wang,Fei Wang,Ran Gao et al.
Sihan Wang et al.
Due to mode coupling, a high signal-to-noise ratio (SNR) is required in orbital angular momentum (OAM) modular division multiplexing (MDM) systems to improve transmission performance. In this paper, a cascade delta-sigma modulation (CDSM) s...