Transport of intensity equation-based computational phase retrieval for robust quantitative phase imaging [0.03%]
一种基于传输强度方程的计算相位恢复方法及其鲁棒定量相衬显微术
Shubham Tiwari,Satish Kumar Dubey,Dalip Singh Mehta
Shubham Tiwari
A computational phase retrieval method is presented that utilizes the transport of intensity equation (TIE) and its solution as a physics-based prior in an iterative reconstruction process. TIE is a non-interferometric quantitative phase im...
Entangled two-photon states in the helical Mathieu-Gauss modes basis [0.03%]
手性Mathieu-Gauss模式下的纠缠两光子态
D Salamanca-Roldán,A A Aguilar-Cardoso,O A Ramírez-Espinosa et al.
D Salamanca-Roldán et al.
In this work, we provide a complete theoretical and experimental study of a two-photon quantum state entangled in the orbital angular momentum (OAM) degree of freedom of the helical Mathieu-Gauss (HMG) modes. The state is generated by a typ...
Lateral-scanning through-focus microscopy for high-speed three-dimensional localization of subsurface defects [0.03%]
一种用于快速三维定位亚表面缺陷的横向扫描全场焦点显微术
Mingyu Li,Xiangyu Zhao,Wenyu Chen et al.
Mingyu Li et al.
Accurate three-dimensional (3D) localization and detection of subsurface defects in transparent samples are crucial in precision manufacturing, process engineering, consumer electronics, semiconductor inspection, and related fields. However...
64-fs ultrashort pulse generation from a Kerr-lens mode-locked (Yb0.058Sc0.508Y0.434)2O3 ceramic laser [0.03%]
六氟化硫超短脉冲(Yb0.058Sc0.508Y0.434)2O3陶瓷激光器的克尔透镜模式锁定产生
Yinjie Zhuo,Yalong Liu,Peng Yu et al.
Yinjie Zhuo et al.
We have successfully used a mixed sesquioxide ceramic (Yb0.058Sc0.508Y0.434)2O3 (Yb:YScO3) as a gain medium for femtosecond laser generation via Kerr-lens mode-locked laser technology. A high-brightness diode laser has been used for pumping...
Separable Hadamard single-pixel imaging for high-resolution reconstruction [0.03%]
用于高分辨率重建的分离型Hadamard单像素成像法
Wenqing Su,Ji Tan,Zhaoshui He et al.
Wenqing Su et al.
Hadamard single-pixel imaging (HSI) is an attractive computational imaging technique. However, existing approaches suffer from prohibitive data throughput and computational time, making high-resolution image reconstruction challenging. To o...
Spectral broadening and post-compression of a high-repetition rate Yb-pumped OPA in the visible and ultraviolet [0.03%]
高重频Yb参量振荡器在可见光及紫外波段的展谱与后压缩
Brian Kaufman,Kirk A Larsen,Felix Allum et al.
Brian Kaufman et al.
We demonstrate spectral broadening and post-compression of high-repetition-rate visible and near-UV pulses from a commercial Yb-pumped optical parametric amplifier (OPA). Second-harmonic pulses from the signal of a 515 nm-pumped OPA (350-50...
Online visualization of small defects for a high-speed rotating object with single-pixel oblique detection [0.03%]
基于单像素斜向检测的高速旋转小目标缺陷在线识别技术
Sicheng Long,Yuqi Ban,Qianru Chen et al.
Sicheng Long et al.
High-speed rotating objects are widely seen in industrial applications and everyday life. The rotation speed is so high that even minor defects can lead to severe consequences. However, visualizing such small defects online is challenging f...
Hybrid fractional Fourier transform for filtering and imaging in a single digital holography workflow [0.03%]
混合分数傅里叶变换在数字全息中的滤波和成像研究
Muge Topcu,Serhat Tozburun
Muge Topcu
We propose a hybrid fractional Fourier transform (hybrid FrFT) framework for off-axis digital holographic microscopy. This framework combines optical FrFT, implemented via a novel, to the best of our knowledge, three-lens object arm design,...
Antisymmetric chirp transfer to high-energy ultraviolet pulses via gas-based chirped four-wave mixing [0.03%]
基于气体的具有啁啾四波混频的高强度极紫外脉冲中的反称chwip转移
Linshan Sun,Hao Zhang,Cameron Leary et al.
Linshan Sun et al.
Spectro-temporal shaping of high-power, femtosecond ultraviolet (UV) pulses remains a key challenge in ultrafast optics. Tailoring high-energy, ultrashort UV pulses underpins applications in ultrafast dynamics, high-precision spectroscopy, ...
High-energy, strong-field deep-ultraviolet based joule-class amplifier with distributed-faced-cooling chips [0.03%]
高能强场深紫外J焦耳量级放大器分布式面冷却模块研究
Kenichi Hirosawa,Arvydas Kausas,Vincent Yahia et al.
Kenichi Hirosawa et al.
We report on a high-energy, strong-field deep-UV (DUV) pulse system. The system is based on a diode-pumped solid-state laser and employs a distributed face-cooling (DFC) chip-based, sub-nanosecond, joule-class amplifier using Nd:YAG and sap...