Patrick Hemmer,Rafael Gattass,Daniel L Rhonehouse et al.
Patrick Hemmer et al.
High brightness laser sources in the visible and infrared (IR) are desirable for many applications. Four wave mixing (FWM) in photonic crystal fiber (PCF) with Yb-based fiber laser pumps enables generation of wavelengths into the visible wi...
Kang Liu,Hongyan Liu,Shuangxun Li et al.
Kang Liu et al.
The vortex electromagnetic (EM) wave carrying orbital angular momentum (OAM) has been developed as a new paradigm for object imaging, which exploits the dual relationship between the OAM index and the azimuthal angle to reconstruct the obje...
Multifunctional full-space origami reconfigurable metasurface for spin-decoupled wavefront manipulation [0.03%]
用于解耦自旋波前调控的多功能全空间折纸可重配置超表面
Yilin Zheng,Ke Chen,Shaojie Wang et al.
Yilin Zheng et al.
Achieving multifunctional wavefront manipulations of electromagnetic (EM) waves in a dynamic manner while maintaining low cost and high efficiency is essential for high-capacity communications and EM information processing, which neverthele...
Spatial-temporal binarization encoding basis modulation Fourier single-pixel imaging [0.03%]
时空二值化编码基底调制傅里叶单像素成像
Jiangping Zhu,Yi Shuai,Lei Liu et al.
Jiangping Zhu et al.
To overcome the limitations of slow switching rates in Fourier basis patterns and the challenges associated with maintaining binary encoding of sinusoidal features in Fourier single-pixel imaging (FSI), this paper presents what we believeto...
Optical pulse processor based on achromatic time lens assisted by compound phase modulation [0.03%]
基于复合相位调制的无色散时间透镜的光学脉冲处理器
Huabei Liu,Qijie Xie,Chunyang Ma et al.
Huabei Liu et al.
The time-lens based optical pulse processors have been widely applied in ultrafast optical processing and quantum optics. Conventionally, the time-lens systems used to adopt a sinusoidal waveform to approximate quadratic temporal phase modu...
Multispectral radiation thermometry approach based on feasible region constraints-divide and conquer optimization [0.03%]
基于可行域约束的 multispectral辐射测温方法-分而治之优化算法
Hairui Huang,Wei Zhang,Peifeng Yu et al.
Hairui Huang et al.
Multispectral radiation thermometry is a widely used non-contact temperature measurement method, particularly in extreme environments. However, accurately retrieving the true temperature remains challenging due to the unknown emissivity of ...
All-optical reconfigurable photonic crystal-microring hybrid cavities with high-efficiency tuning via the mechanical Kerr effect [0.03%]
基于机械克尔效应的高效率全光学可重构光子晶体-微环混杂腔体
Ahmet Seckin Hezarfen,Simeng Zhu,Mohanad Al-Rubaiee et al.
Ahmet Seckin Hezarfen et al.
All-optical control of silicon photonic integrated devices is crucial for on-chip applications such as signal processing, computing, and switching. A key limitation of current integrated devices is high power consumption, stemming from the ...
Advanced phase diversity method for RSA: wavefront detection and image fusion [0.03%]
一种先进的相位多样性方法：波前检测与图像融合
Yibo Li,Jiang Guo,Fuxiang Tian et al.
Yibo Li et al.
Rotating synthetic aperture (RSA) represents an emerging large-aperture imaging technology characterized by a rectangular aperture with a high aspect ratio. This configuration enables enhanced imaging resolution along the long-axis directio...
Hundred-watt-level cryogenic near diffraction-limited composite thin-disk Ho:YLF oscillator at 2 µm [0.03%]
百瓦级2 µm近衍射极限复合薄盘钬激光振荡器
Liyi Zhang,Bingying Lei,Yanshen Cheng et al.
Liyi Zhang et al.
We present a cryogenic composite thin-disk oscillator based on a holmium-doped yttrium lithium fluoride (Ho:YLF) crystal that we believe is for the first time, with a hundred-watt-level near diffraction-limited laser output. Integrating the...
Mengping Sun,Shusen Zhao,Jiabao Du et al.
Mengping Sun et al.
This study focuses on the influence of the polarization of incident light in the laser slicing of 4H-SiC wafers. The structure of longitudinal damage within the material after laser modification was measured and analyzed. The impact of lase...