Effect of current modulation on the coherence of a semiconductor laser with optical feedback [0.03%]
电流调制对光学反馈半导体激光器相干性的影响
María Duque Gijón,Cristina Masoller,Jordi Tiana-Alsina
María Duque Gijón
The use of laser light for illumination produces speckles that degrade image quality, and different strategies have been developed to mitigate speckle. Optical feedback can reduce the amount of speckle, since it can decrease the coherence o...
Jianshan Wang,Xiuwen Xia,Yubo Liang et al.
Jianshan Wang et al.
Usually, most optical diodes with high nonreciprocal transmission ratio were accompanied with high insertion loss. The diode made of the asymmetry cavity filled with two-level atoms can simultaneously possess high nonreciprocal transmission...
Referenceless, grating-based, single shot X-ray phase contrast imaging with optimized laser-driven K-α sources [0.03%]
基于光栅的参考-less衬射X射线成像对比度优化激光驱动K-α源单次成像
V Bouffetier,G Pérez-Callejo,D Stutman et al.
V Bouffetier et al.
With its ability to efficiently probe low-Z materials, X-ray phase imaging methods have recently raised high interest in multiple fields from biology and medical applications to high energy density (HED) physics. Initially developed with sy...
Bosong Li,Yahong Li,Kexian Li et al.
Bosong Li et al.
Amidst the global health crisis sparked by the coronavirus pandemic, the proliferation of respiratory illnesses has captured worldwide attention. An increasing number of individuals wear masks to mitigate the risk of viral transmission. Thi...
Multidimensional manipulation and encoding of versatile vector vortex beams empowered by phase-change metasurfaces [0.03%]
基于相变超表面的多功能矢量涡旋光束的多维度调控与编码
Shenglan Zhang,Ximin Tian,Junwei Xu et al.
Shenglan Zhang et al.
Vector vortex beams, encompassing orbital angular momentum (OAM) and polarization states, have sparked considerable interest owing to their diverse potential applications. Although existing 3D optical devices are constrained to manipulating...
Jinze Song,Zexi Chen,Xianye Li et al.
Jinze Song et al.
Recent progress in single-pixel imaging (SPI) has exhibited remarkable performance using deep neural networks, e.g., convolutional neural networks (CNNs) and vision Transformers (ViTs). Nonetheless, it is challenging for existing methods to...
Direct temporal characterization of sub-3-fs deep UV pulses generated by resonant dispersive wave emission: erratum [0.03%]
由共振色散波发射产生的小于3 fs深紫外脉冲的直接时域表征：更正
M Reduzzi,M Pini,L Mai et al.
M Reduzzi et al.
An erratum is presented to include the correct upper horizontal axis in Fig. 3 in our published manuscript ["Direct temporal characterization of sub-3-fs deep UV pulses generated by resonant dispersive wave emission" Opt. Express31, 26854 (...
Enantioselective optical trapping of chiral nanoparticles by tightly focused fractional vector beams [0.03%]
紧聚焦分数向量光束的手性纳米粒子光学操控中的对映选择性
Xiong Xiong,Yutong Zhou,Sen Lu et al.
Xiong Xiong et al.
Enantiomers exhibit markedly different chemical properties although they have the same chemical structure. The identification and separation of enantiomers have been significant issues in biomedicine and chemistry. In this work, we proposed...
Gangyi Zou,Xuewu Fan,Hui Zhao et al.
Gangyi Zou et al.
All-reflective zoom afocal telescopes can be integrated with existing imaging systems as foreoptics, enabling flexible imaging with adjustable resolution. This paper proposes an approach to designing a 5× zoom afocal telescope using deform...
Efficient completely polarization-encoded binocular structured light 3D measurement method for metallic objects [0.03%]
一种针对金属表面的高效双目偏振结构光三维测量方法
Zhenmin Zhu,Shuo Qiao,Lingjun Liu et al.
Zhenmin Zhu et al.
In practical 3D measurement applications, stereo vision assisted with phase shift patterns is intensively studied and widely used for its high precision and excellent noise resilience. While aiming to improve matching efficiency, excessive ...