Compact all-polarization-maintaining dual femtosecond fiber laser system with large repetition rate tuning ranges based on self-made fiber actuators [0.03%]
基于自制光纤执行器的大调谐范围全保偏双飞秒光纤激光系统
Ran Pan,Jing Jia,Xiaohong Hu et al.
Ran Pan et al.
We present a dual fiber laser system that comprises two compact all-polarization-maintaining fiber lasers. The main feature of this laser system is that, facilitated by self-made fiber actuators, the repetition rates of the sub lasers can b...
Mitigated multipath interference in PAM4 IM/DD optical links using instantaneous mean intensity addressing [0.03%]
利用瞬时平均强度地址法减轻PAM4直接检测光链路中的多径干扰
Yibin Li,Zixian Wei,Lihang Liu et al.
Yibin Li et al.
Multipath interference (MPI) poses a significant challenge for 4-level pulse amplitude modulation (PAM4) signals in short-reach intensity modulation and direct detection (IM/DD) interconnect systems. MPI, arising from signal reflections due...
Louis Pagot,Sébastien Merlet,Franck Pereira Dos Santos
Louis Pagot
We present numerical simulations of the impact of laser beam wavefront aberrations in cold atom interferometers. We demonstrate that to reach accuracy at the mrad level, it is insufficient to base simulations on a description of retroreflec...
Shimon Yudovich,Gregor Posnjak,Lior Shani et al.
Shimon Yudovich et al.
Super-resolution optical imaging has become a prominent tool in life and material sciences, allowing one to decipher structures at increasingly greater spatial detail. Among the utilized techniques in this field, super-resolution optical fl...
Parameter constraints and ill-conditioning in tensor tomography reconstruction: a theoretical and numerical approach [0.03%]
张量断层扫描重建中的参数约束和病态性：理论和数值方法
Ruifeng Liu,Li Zhang,Peiping Zhu et al.
Ruifeng Liu et al.
Tensor tomography is essential in material science and medical imaging for anisotropic, non-invasive internal structure analysis, especially for reconstructing anisotropic scattering properties beyond conventional tomography. It aids in stu...
High-precision interferometric measurement method for the radius of curvature with a computer-aided adjustment model [0.03%]
基于计算机辅助定标的高精度曲率半径干涉测量方法
Yongqin Wu,Xi Hou,Shuai Zhang et al.
Yongqin Wu et al.
In order to achieve high-precision measurement of the radius of curvature, this paper proposes an interferometric measurement method with a computer-aided adjustment model. This model is based on the principle of light propagation and deriv...
Fusion-spliced microbubble resonators filled with F3O4 nanoparticles achieve axial strain sensitivity enhancement [0.03%]
填充F3O4纳米颗粒的轴向应变增强型微泡谐振器
Leyao Dai,Chengfeng Xie,Gan Lv et al.
Leyao Dai et al.
In this paper, we propose an axial strain sensitivity enhancement method based on what we believe to be a novel fusion-spliced microbubble resonator filled with F3O4 nanoparticles. The fusion-spliced microbubble resonator is formed by splic...
Analysis of temperature detection performance of vibration-rotation Raman lidar based on different calibration functions [0.03%]
基于不同校正函数的温测拉曼雷达探测性能分析
Siying Chen,Yinghong Yu,Wangshu Tan et al.
Siying Chen et al.
Rotational Raman (RR) lidar is widely employed for atmospheric temperature detection, but its detection capability is constrained in cloudy or hazy conditions due to the interference of elastic scattering leakage to the pure RR channels. To...
Multi-channel optical gas imaging: quantitative detection of gas column concentration and temperature [0.03%]
多通道光学气体成像：气柱浓度及温度的定量检测
Yijie Wang,Tongtong Li,Jingdong Bai et al.
Yijie Wang et al.
Optical gas imaging (OGI) is widely used for detecting gas leaks but is limited by qualitative testing methods, lacking accurate quantitative data such as gas column concentration and temperature. For this, a multi-channel OGI (MOGI) method...
High-speed organic gas sensor using a microfiber Mach-Zehnder interferometer interrogated based on microwave photonic pulse compression [0.03%]
基于微波光子脉冲压缩的用于有机气体传感的微纳光纤Mach-Zehnder干涉仪传感器研究
Baoliang Liao,Tengxiang Li,Tiansheng Huang et al.
Baoliang Liao et al.
A high-speed fiber-optic real-time organic gas sensor based on a microfiber Mach-Zehnder interferometer (MZI) interrogated based on microwave photonic pulse compression is proposed and experimentally demonstrated. A taper-based microfiber M...