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supported by the National Natural Science Foundation of China(Grant Nos.12375244,12135009,and 12275356);the Hunan Provincial Innovation Foun-dation for Postgraduate(Grant Nos.CX20210062 and CX20230006).
Relativistic femtosecond mid-infrared pulses can be generated efficiently by laser interaction with near-criticaldensity plasmas.It is found theoretically and numerically that the radiation pressure of a circularly po...
Olbers’s paradox, known as the dark night paradox, is an argument in astrophysics that the darkness of the night sky conflicts with the assumption of an infinite and eternal static universe. Big-Bang theory was used ...
Project supported by the National Key Research and Development Program of China(2016YFA0302001);National Natural Science Foundation of China(11654005);Quantum Information Technology,Shanghai Municipal Science and Technology Major Project(2019SHZDZX01);A*Star of Singapore(A1883C0003);Natural Science Foundation of Jiangsu Province(BK20191002)。
Transparent Er:Y_(2)O_(3)ceramics with sub-micron grain size(<1μm)were fabricated by using one-step vacuum sintering followed by hot isostatic pressing(HIPing)technique.The transmission of the undoped Y_(2)O_(3)reach...
This work was supported by the National Natural Science Foundation of China(Nos.22061019,21761012,and 21861018);the Natural Science Foundation of Jiangxi Province(No.20202ACBL213001);Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry(No.20212BCD42018);the Natural Science Foundation of Tianjin(No.20JCQNJCO1680);the Youth Jinggang Scholars Program in Jiangxi Province(No.QNJG2019053);the Two Thousand Talents Program in Jiangxi Province(No.jxsq2019201068).
Luminescent metal-organic frameworks(LMOFs)have become a promising class of fluorescence sensing materials,however,the multi-responsive LMOF sensors for organic compounds are rather rare.Herein,a water stable and high...
Project supported by the National Natural Science Foundation of China(Grant No.61505023)
A theoretical study for femtosecond laser-induced ultrafast electro-absorption of bulk solids is presented.Our numerical results show that,in the case of low intensity of the pump laser where the interaction between t...
This work was financially supported in part by Grants from the National Natural Science Foundation of China (21750003,91527302,U1632133,31628004,21473237,and 31628004);the National Key Research and Development Program of China (2017YFA0503704and 2016YFA0501502);and the Key Research Program of Frontier Sciences,CAS(QYZDB-SSW- SMC032).
Fluorescent proteins(FPs) with emission wavelengths in the far-red and infrared regions of the spectrum provide powerful tools for deep-tissue and super-resolution imaging. The development of red-shifted FPs has evoke...
Nanostructured silicon plays a key role in the fidds of microelectronics, optoelectronics and photonics. Since near-infrared photolummescence(PL) was first observed in nanoporous silicon at room temperature, silicon...
Here we derive Newton’s and Einstein’s gravitational results for any mass less than or equal to a Planck mass. All of the new formulas presented in this paper give the same numerical output as the traditional formul...
Supported by the National Key R&D Program of China under Grant No 2016YFF0200200
Frequencies of frequency standards are shifted by the local static gravity red shifts and also modulated by the tidal relativistic red shifts. We compute the tidal relativistic red shifts using a time-domain method an...
The resemblance between the equation for a characteristic hypersurface through which wavefronts of light rays pass and optical metrics of general relativity has long been known. Discontinuities in the hypersurface are...