NLTE-based atmospheric radiance modeling for space-based 4.3μm infrared detection of rocket exhaust flames [0.03%]
基于非局部热力学平衡的建模方法在天基4.3μm红外火箭尾焰探测中的应用
Jingyu Bai,Lu Bai,Jinlu Li
Jingyu Bai
The radiance characteristics of the atmosphere background provide the basis for rocket exhaust flame detection and tracking. The traditional atmospheric radiance model uses the LTE (local thermodynamic equilibrium) model. However, at high a...
Experimental and theoretical study of phonon-assisted Raman generation in KGd(WO4)2 crystal [0.03%]
KGd(WO4)2晶体中声子辅助拉曼光生的实验与理论研究
Kaiyu Wang,Xingyu Zhang,Zhongming Yang et al.
Kaiyu Wang et al.
This paper investigated the characteristics of the phonon-assisted Raman generation in KGd(WO4)2 crystal pumped by short -band-width Q-switched pulses. The KGd(WO4)2 Raman laser pumped by 1064.15 nm pulse generates a phonon wave in the KGd(...
Speckle fields for controlling and analysis of microscopic collective motion [0.03%]
speckle场对微集体运动的调控与分析
Mohammad Hadi Sadri,Ramin Jamali,Ali-Reza Moradi
Mohammad Hadi Sadri
The advancement of light-based structures has opened up new possibilities for controlling collective motion in various fields of study. In this paper, we show that speckle patterns (SPs), on the one hand, can be employed for smart collectiv...
Independent tuning of free spectral range in thin-film lithium niobate microring resonators [0.03%]
薄膜铌酸锂微环谐振器中自由光谱率的独立调节
Jia-Lin Chen,Ji-Zhe Zhang,Guan-Zhong Huang et al.
Jia-Lin Chen et al.
In conventional traveling-wave optical cavities, the free spectral range (FSR) and the resonance frequencies are inherently linked, limiting the ability to control the FSR independently. This work presents a systematic investigation of tech...
Study on Mach-Zehnder optical isolator based on magneto-optic photonic crystal fiber [0.03%]
基于磁光光子晶体光纤的马赫-曾德尔隔离器的研究
Weilong Wang,Shengbo Li,Zejun Zhang et al.
Weilong Wang et al.
Optical isolators are important components in fiber optic communication and sensing systems. Conventional optical isolators, including bulk and in-line fiber types, mainly rely on the Faraday rotation effect and require external magnetic fi...
Polarization-separated double-imaging spectroscopy for weakly-ionized plasma diagnostics [0.03%]
弱电离等离子体诊断的偏振分离双成像光谱法
Junhwi Bak,Takuya Koiso,Richard Miles
Junhwi Bak
Laser Thomson scattering, which provides thermal properties of electrons, has been extensively utilized in plasma diagnostics. However, being a non-resonant linear light scattering technique, it often encounters several challenges in weakly...
Chenpeng Hao,Siwei Sun,Bo Liu et al.
Chenpeng Hao et al.
Entanglement-based quantum key distribution (EB-QKD) is considered an important implementation method for fully connected quantum networks. Due to practical considerations for conserving fiber resources, the demand for integrating EB-QKD in...
Carlos Jimenez,Andrea Toulouse,Alois Herkommer
Carlos Jimenez
Efficient coupling of single photons into single-mode fibers (SMFs) is critical for scaling many quantum technology applications, including quantum key distribution and quantum repeater networks. In such systems, single photons must be extr...
David Hevisov,Florian Foschum,Markus Wagner et al.
David Hevisov et al.
Accurately recreating the appearance of translucent materials poses a substantial challenge in physically based rendering, primarily due to limitations in capturing complex light transport, especially subsurface scattering. Current methods ...
Out-coupling grating for XUV frequency combs in the short wavelength region [0.03%]
短波长区域XUV频率梳的外耦合光栅
Zhengrong Xiao,Hengzhi Zhang,Mufeng Zhu et al.
Zhengrong Xiao et al.
Extreme ultraviolet (XUV) optical frequency combs are powerful tools in both precision spectroscopic measurement and ultrafast science studies. As a vital element for manipulating the generated XUV radiation in the comb setup, the grating-t...