Research Progress
Up to now, the output of high-power femtosecond laser facilities has grown from several terawatts (TWs) to 10 PW, which enables the creation of an ultra-intense laser field with the intensity up to 1022 W/cm2 at the focus. Such extreme conditions ...2019-09-04
Liquid crystal phased devices (LCPDs), with the advantages of high spatial resolution, compact structure and low power, can realize precise control of the beam amplitude, wavefront, polarization and steering. They have wide applications in laser f...2019-09-02
It has shown that computational imaging (CI) enjoys the rapid development of artificial intelligence, especially deep learning. However, existing learning-based CI methods usually need to experimentally collect a large number of input-output data ...2019-08-29
Pump-probe experiments are widely used to understand the dynamics of materials on the timescale of electronic, atomic and molecular motion before damage process occurs. While nowadays the required femtosecond x-rays used as probe pulses are mostly...2019-08-26
A crucial parameter of ultrashort high peak power laser systems is the temporal contrast ratio, which is defined as the intensity ratio of the main pulse to the background noise. A poor contrast ratio indicates strong pre-pulses or a pedestal befo...2019-08-26
The peak power of ultrashort laser systems has grown dramatically in the range of 1021–1022 W/cm2 owing to the rapid development in the chirped pulse amplification (CPA) and optical parametric CPA (OPCPA) techniques. Such an intense laser provide...2019-08-26
The radiation from accelerated particles and the consequent radiation-reaction (RR) effect is one of the oldest and most fundamental problems in electrodynamics, where particles lose momentum from radiation. For most problems, one can calculate th...2019-08-21
Spin-polarized particle beams are widely used in modern physics including nuclear physics, particle physics as well as material science. In particular, polarized electron beam plays an important role in electron-positron colliders, which enhances ...2019-08-19
The electromagnetic interference (EMI) shielding window is of great significance for precision aeronautic, medical, civilian, and research facilities. There are tremendous world-wide efforts in searching new structures and materials with excellent...2019-08-21
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