Luca Fardin,Yelyzaveta Pulnova,Tomáš Parkman et al.
Luca Fardin et al.
Ptychography is a robust lensless form of microscopy routinely used for applications spanning life and physical sciences. The most common ptychography setup consists in using a detector to record diffraction patterns in the far-field. A nea...
20 µm-core polarization maintaining endlessly single mode photonic crystal fiber for delivery of high-power single frequency lasers [0.03%]
用于高功率单频激光传输的20µm芯径保偏全_SINGLE_MODE光子晶体光纤
S Vidal,L Gibert,M Zambelli et al.
S Vidal et al.
We report on the development of a 20 µm-core polarization maintaining endlessly single-mode photonic crystal fiber for use in the delivery of high-power single-frequency lasers, especially for quantum physics experiments. A complete numeri...
Phase aberration compensation and parasitic fringes elimination in digital holographic microscopy based on polarization [0.03%]
基于偏振的数字全息显微技术中的相位误差校正与寄生条纹消除方法研究
Huan Chen,Chenhao Cao,Peng He et al.
Huan Chen et al.
In digital holographic microscopy, parasitic fringes caused by optical components and phase aberration introduced by the optical system are crucial issues that constrain measurement accuracy and reconstructed image quality. This paper prese...
Deep-ultraviolet second harmonic generation down to 150 nm in a quartz crystal with chirped dual-periodic superstructure [0.03%]
一种具有双周期级联超结构的石英晶体中的深紫外二次谐波生成（低至150nm）
Zhongmian Zhang,Yanling Cheng,Fei Liang et al.
Zhongmian Zhang et al.
Deep-ultraviolet (DUV) second harmonic generation (SHG) can realize the coherent sources for some modern equipment and optical spectroscopy measurements, however, that with nonlinear crystals is still a long-standing challenge due to the di...
Stacked double trapezium-shaped liquid prism with a ray deflection mechanism [0.03%]
一种带光线偏折装置的双梯形液体棱镜
Sandar Tun,You-Ran Zhao,Chao Liu et al.
Sandar Tun et al.
A stacked double trapezium-shaped liquid prism for ray deflection mechanisms is fabricated and investigated in this paper. The electrowetting-on-dielectric actuation method is applied to obtain the compact device. The proposed liquid prism ...
Chen Chang,Long-Kun Du,Shuai Sun et al.
Chen Chang et al.
In ghost imaging, the imaging quality can be improved to a limit by increasing the number of samplings theoretically. However, the maximum achievable image quality is typically much lower than the theoretical limit. This maximum quality val...
Focal spot diagnostic of pulsed planar anticathode accelerator with compressed streak imaging [0.03%]
基于压缩条纹相机的脉冲平面阴极加速器焦点诊断研究
Zhiming Yao,Liang Sheng,Yan Song et al.
Zhiming Yao et al.
The spatial-temporal distribution of the focal spot is a key characteristic for evaluating a pulsed accelerator. However, the small number of frames and the low frame frequency limit the accurate analysis of the focal spot evolution process...
Modulation-free laser stabilization with aided acquisition for extended locking range [0.03%]
具备辅助捕获功能的无调制激光锁频技术研究
Mohamad Hossein Idjadi,Farshid Ashtiani,Kwangwoong Kim
Mohamad Hossein Idjadi
Stable lasers are essential in precision optical systems, where noise suppression and extended locking range are critical for long-term stability. However, conventional stabilization techniques often involve trade-offs between achievable ph...
Multi-dimensional reconfigurable optical add/drop multiplexer for WDM-MDM systems [0.03%]
WDM-MDM系统中的多维可重构光分插复用器
Zilong Liu,Fangyuan Xia,Ruitao Yan et al.
Zilong Liu et al.
In the rapidly evolving fields of optical networks, the demands for increased flexibility and capacity are ever-growing, especially in the context of ultra-large data centers. To meet these demands, we propose and demonstrate a versatile mu...
Diode-pumped Tm:CALGO lasers operating on the 3H4 → 3H5 transition [0.03%]
掺Tm:CALGO激光晶体在3H4→3H5能级跃迁的二极泵浦研究
Xiaoxu Yu,Zhongben Pan,Pavel Loiko et al.
Xiaoxu Yu et al.
The performance of the diode-pumped Tm:CALGO laser operating on the 3H4 → 3H5 Tm3+ transition was studied in detail by employing the crystals with different Tm3+ doping levels in the range of 1.5 at.% to 5 at.%, and Watt-level continuous-w...