the National Natural Science Foundation of China(Grant Nos.61805119 and 62275122);the Natural Science Foundation of Jiangsu Province(Grant Nos.BK20180469 and BK20180468);the Fundamental Research Funds for the Central Universities(Grant No.30919011275)。
Tractor beams,able to produce optical pulling forces(OPFs)on particles,are attracting increasing attention.Here,non-paraxial Bessel tractor beams are generated using polarization-insensitive metasurfaces.OPFs are foun...
Supported by the National Natural Science Foundation of China(Grant Nos.11774175,91950102,11834004,and 91850209);the National Key Research and Development Program of China(Grant No.2018YFB0504400);the Science and Technology Commission of Shanghai Municipality(Grant No.18DZ1112700);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB16030300);the Key Research Program of Frontier Sciences of Chinese Academy of Sciences(Grant No.QYZDJ-SSWSLH010)。
We propose a method to retrieve the angle-dependent strong-field ionization of highest occupied molecular orbital(HOMO)from high-order harmonic generation(HHG)of aligned molecules.This method is based on the single-mo...
Supported by the National Natural Science Foundation of China under Grant No 61735011;the Natural Science Foundation of Hebei Province under Grant Nos F2016203389 and F2018105036;the Science and Technology Research Project of College and University in Hebei Province under Grant No BJ2017108;the Open Subject of Jiangsu Key Laboratory of Meteorological Observation and Information Processing under Grant No KDXS1107;the Science and Technology Project of Tangshan City under Grant No 17130257a
We experimentally demonstrate that a tunable supercontinuum(SC) can be generated in a Yb3+-doped microstructure fiber by the concept of wavelength conversion with a Ti:sapphire femtosecond(fs) laser as the pump....
Supported by the National High-Technology Research and Development Program of China under Grant No 2014AA041901;the NSAF Foundation of National Natural Science Foundation of China under Grant No U1330134;the Opening Project of Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques under Grant No 2012ADL02;the National Natural Science Foundation of China under Grant No 61308024
The wavelength-tunable rectangular mode-locking operation is demonstrated in an all-fiber laser based on semi- conductor saturable absorber mirror. As the dissipative soliton resonance signature, the pulse duration va...
Supported by the National Natural Science Foundation of China under Grant No 11574185;the Science and Technology Development Program of Shandong Province under Grant No 2009GG10001005
We report a heptad vortex array structure in the wave fields in an extremely deep Fresnel diffraction region by asymmetrical subwavelength holes in a metal film illuminated with linearly polarized light. A Mach Zehnde...
Supported by the National Natural Science Foundation of China under Grant No 11125420
We present a typhoon-generated noise model with which the noise intensity during typhoons can be estimated accurately. The model is verified through experimental study, and the simulation results agree reasonably with...
Supported by the National Natural Science Foundation of China under Grant Nos 11105085, 11375108 and 11075097, the Excellent Youth and Middle Age Scientists Fund of Shandong Province under Grant No BS2012CL024, and the Project of Shandong Province Higher Educational Science and Technology Program under Grant No J12LA51.
Dense arrays of micro-columns are formed on the surface of Ti-AI alloy by cumulative nanosecond pulsed laser ablation in water. The fabric-like structure characterized by Ti-A1 nano-spheres absorbed on micro-duster in...
Supported by the National Basic Research Program of China under Grant No 2011CB707900;the National Natural Science Foundation of China under Grant Nos 81127901,11174141,81227004,11204144 and 11161120324;the Natural Science Foundation of Jiangsu Province under Grant Nos BE2011110 and BK2012226;the National High-Technology Research and Development Program of China under Grant No 2012AA022700;the State Key Laboratory of Acoustics of Chinese Academy Sciences.
A combined time and frequency domain method is developed for the calculation of a shock wave induced by a strong focused ultrasound transducer in the oblate spheroidal coordinate system.The spheroidal beam equation(SB...
The acoustic nonlinearity of surface waves is studied to evaluate plastic deformation in aluminum alloys.A narrow-band surface wave is successfully generated by a pulsed Nd-YAG laser system consisting of a beam expand...
Supported by the National Basic Research Program of China(2010CB732603,2011CB707903);the National Natural Science Foundation of China(30970828).
A Monte Carlo method of multiple scattered coherent light with the information of shear wave propagation in scattering media is presented.The established Monte-Carlo algorithm is mainly relative to optical phase varia...