Explanipedia

Enhanced terahertz radiation from nanorod array targets irradiated by ultraintense laser pulses Open

Hao Liu, J. Ruan, Zhangsen Chen, Huihui Song, Dan Wang , et al. · 2025

Ultraintense laser interactions with a metal foil offer an emerging approach toward the generation of intense terahertz (THz) radiation, and how to improve the THz generation efficiency remains an open question. Here, we report the enhance…

Kerr self-focusing of few-cycle terahertz pulses in dispersive media Open

J. Ruan, Guoqian Liao, Tingting Xi, X. Zhang, Lian‐Hua Xu , et al. · 2025

Kerr self-focusing is one of the most common and fundamental nonlinear phenomena during high-power light pulses propagating through transparent media. It occurs usually when the pulse peak power exceeds a certain critical power and the Ker…

Graphical Abstract: Angew. Chem. Int. Ed. 2/2024 Open

Anna Hartmann, Vanessa Winde, Veacheslav Vieru, Silvia Gómez‐Coca, Eliseo Ruíz , et al. · 2024

In their Communication (e202313590), Yi Zhang, Yujian Zhang,Da-Wei Fu et al. report the unusual thermal quenching of photoluminescence in an organic-inorganic [MnBr 4 ] 2À -based halide mediated by crystalline-crystalline phase transition.

A Configurable Ultra-Low Noise Current Source for Transition-Edge Sensor Characterization Open

N. Li, Guoqian Liao, Daikang Yan, Yu Xu, Ying Zhang , et al. · 2023

Transition-edge sensors (TESs) are sensitive devices for detecting photons from millimeter radiation to gamma rays. Their photon counting efficiency and collecting area benefit from large-array multiplexing scheme, and therefore the develo…

Perspectives on ultraintense laser-driven terahertz radiation from plasmas Open

Guoqian Liao, Yutong Li · 2023

High-power terahertz (THz) radiation is fundamental to numerous applications in many fields. Ultraintense laser-produced plasmas have attracted ever-increasing interest as a damage-free medium for generating high-peak-power THz pulses. Thi…

Highly efficient generation of GV/m-level terahertz pulses from intense femtosecond laser-foil interactions Open

Hong-Yi Lei, Fang-Zheng Sun, Tian-Ze Wang, Hao Chen, Dan Wang , et al. · 2022

The terahertz radiation from ultraintense laser-produced plasmas has aroused increasing attention recently as a promising approach toward strong terahertz sources. Here, we present the highly efficient production of millijoule-level terahe…

Electron deflection driven by terahertz pulses from laser-plasma interactions Open

Dan Wang, Hao Liu, Weiwu Wang, Tianze Wang, HongYi LEI , et al. · 2021

Traditional electron accelerators usually use the radio-frequency field as the driving field. In contrast, the terahertz radiation, with a shorter wavelength and a higher accelerating gradient, has the capability to work as the driver of c…

Experimental study of terahertz radiation driven by femtosecond ultraintense laser Open

Tian-Ze Wang, Hong-Yi Lei, Fang-Zheng Sun, Dan Wang, Guoqian Liao , et al. · 2021

Powerful terahertz (THz) radiation sources are crucial to the development of THz science. High-energy strong-field THz pulses have many significant applications such as in the ultrafast control of matter and the THz-driven electron acceler…

Towards Terawatt-Scale Spectrally Tunable Terahertz Pulses via Relativistic Laser-Foil Interactions Open

Guoqian Liao, Hao Liu, G. G. Scott, Yihang Zhang, Bao-Jun Zhu , et al. · 2020

An ever-increasing number of strong-field applications, such as ultrafast coherent control over matter and light, require driver light pulses that are both high power and spectrally tunable. The realization of such a source in the terahert…

Data associated with the manuscript titled “Towards terawatt-scale spectrally-tunable terahertz pulses via relativistic laser-foil interactions” Open

Guoqian Liao, Hao Liu, G. G. Scott, Yihang Zhang, Baojun Zhu , et al. · 2020

This dataset includes experimental and numerical data from the manuscript 'Towards terawatt-scale spectrally-tunable terahertz pulses via relativistic laser-foil interactions'. The experimental data are obtained in the experiment titled “I…

Multimillijoule coherent terahertz bursts from picosecond laser-irradiated metal foils Open

Guoqian Liao, Yutong Li, Hao Liu, G. G. Scott, D. Neely , et al. · 2019

Significance Terahertz (THz) radiation, with frequencies spanning from 0.1 to 10 THz, has long been the most underdeveloped frequency band in electromagnetic waves, mainly due to the dearth of available high-power THz sources. Although the…

Data associated with the manuscript titled "Multi-millijoule coherent terahertz bursts from picosecond laser-irradiated metal foils" Open

Guoqian Liao, Yutong Li, Hao Liu, G. G. Scott, D. Neely , et al. · 2019

This dataset includes experimental and numerical data from the manuscript 'Multi-millijoule coherent terahertz bursts from picosecond laser-irradiated metal foils'. The experimental data are obtained in the experiment titled “Intense terah…

Study of backward terahertz radiation from intense picosecond laser–solid interactions using a multichannel calorimeter system Open

H. Liu, Guoqian Liao, Yuyang Zhang, Baojun Zhu, Z. Zhang , et al. · 2019

A multichannel calorimeter system is designed and constructed which is capable of delivering single-shot and broad-band spectral measurement of terahertz (THz) radiation generated in intense laser–plasma interactions. The generation mechan…

Bremsstrahlung emission profile from intense laser-solid interactions as a function of laser focal spot size Open

C. Armstrong, C. M. Brenner, Egle Zemaityte, G. G. Scott, D. Rusby , et al. · 2018

The bremsstrahlung x-ray emission profile from high intensity laser-solid interactions provides valuable insight to the internal fast electron transport. Using penumbral imaging, we characterise the spatial profile of this bremsstrahlung s…

Data used in the manuscript “Study of backward terahertz radiation from intense picosecond laser-solid interactions using a multichannel calorimeter system” Open

Hao Liu, Guoqian Liao, Yi-Hang Zhang, Baojun Zhu, Zhe Zhang , et al. · 2018

The data is from a multichannel calorimeter system, which is taken in intense laser-plasma interactions experiments. This work has been illustrated in the paper “Study of backward terahertz radiation from intense picosecond laser-solid int…

Dual Ion Species Plasma Expansion from Isotopically Layered Cryogenic Targets Open

G. G. Scott, D. C. Carroll, S. Astbury, R. J. Clarke, Cristina Hernandez–Gomez , et al. · 2018

A dual ion species plasma expansion scheme from a novel target structure is introduced, in which a nanometer-thick layer of pure deuterium exists as a buffer species at the target-vacuum interface of a hydrogen plasma. Modeling shows that …

Demonstration of laser-produced neutron diagnostic by radiative capture gamma-rays Open

Xiaopeng Zhang, Wenqing Wei, Changbo Fu, Xiaohui Yuan, Honghai An , et al. · 2018

We report a new scenario of the time-of-flight technique in which fast neutrons and delayed gamma-ray signals were both recorded in a millisecond time window in harsh environments induced by high-intensity lasers. The delayed gamma signals…

EMP control and characterization on high-power laser systems Open

P. Bradford, N. C. Woolsey, G. G. Scott, Guoqian Liao, Hao Liu , et al. · 2018

Giant electromagnetic pulses (EMP) generated during the interaction of high-power lasers with solid targets can seriously degrade electrical measurements and equipment. EMP emission is caused by the acceleration of hot electrons inside the…

Deuteron-deuteron fusion in laser-driven counter-streaming collisionless plasmas Open

Xiaopeng Zhang, Jiarui Zhao, Dawei Yuan, Changbo Fu, Jie Bao , et al. · 2017

Nuclear fusion reactions are the most important processes in nature to power\nstars and produce new elements, and lie at the center of the understanding of\nnucleosynthesis in the universe. It is critically important to study the\nreaction…

Data used in the manuscript “Cherenkov radiation-based optical fibre diagnostics of fast electrons generated in intense laser-plasma interactions” Open

Hao Liu, Guoqian Liao, Yi-Hang Zhang, Baojun Zhu, Zhe Zhang , et al. · 2017

The data is from fiber Cerenkov diagnostics, which is taken in intense laser-plasma interactions experiments. This work has been illustrated in the paper “Cherenkov radiation-based optical fibre diagnostics of fast electrons generated in i…

Bursts of terahertz radiation from relativistic laser-plasma interactions Open

Yutong Li, Guoqian Liao, Chun Li, Weimin Wang, Z. M. Sheng , et al. · 2017

Intense terahertz radiation from relativistic laser–plasma interactions Open

Guoqian Liao, Yaxuan Li, Chunzhen Li, Hao Liu, Y H Zhang , et al. · 2016

The development of tabletop intense terahertz (THz) radiation sources is extremely important for THz science and applications. This study presents our measurements of intense THz radiation from relativistic laser–plasma interactions under …

Proton radiography of magnetic fields generated with an open-ended coil driven by high power laser pulses Open

Guoqian Liao, Yutong Li, Baojun Zhu, Yan-Fei Li, Fang Li , et al. · 2016

Recently generation of strong magnetic (B) fields has been demonstrated in capacitor coils heated by high power laser pulses [S. Fujioka et al., Sci. Rep. 3, 1170 (2013)]. This paper will present a direct measurement of B field generated w…

Picosecond laser-driven terahertz radiation from large scale preplasmas of solid targets Open

Guoqian Liao, Yaxuan Li, C Li, Luning Su, Yongqiu Zheng , et al. · 2016

The terahertz (THz) radiation from the front of solid targets with a large-scale preplasma irradiated by relativistic picosecond laser pulses has been studied. The THz radiation measured at the specular direction nonlinearly increases with…

Backward terahertz radiation from intense laser-solid interactions Open

Chun Li, Guoqian Liao, Mu-Lin Zhou, Fei Du, Jinglong Ma , et al. · 2016

We report a systematic study on backward terahertz (THz) radiation generation from laser-solid interactions by changing a variety of laser/plasma parameters. We demonstrate a high-energy (with an energy flux density reaching 80 μJ/sr), bro…

Terahertz emission from two-plasmon-decay induced transient currents in laser-solid interactions Open

Guoqian Liao, Yutong Li, Chengyu Li, S. Mondal, Hassan A. Hafez , et al. · 2016

We have studied the generation of terahertz (THz) radiation via the interaction of intense femtosecond laser pulses with solid targets at a small incidence angle. It is found that preplasma with a moderate density gradient can enhance the …

MODELING SUPERSONIC-JET DEFLECTION IN THE HERBIG–HARO 110-270 SYSTEM WITH HIGH-POWER LASERS Open

Dawei Yuan, J. F. Wu, Yutong Li, Xin Lu, Jiayong Zhong , et al. · 2015

Herbig–Haro (HH) objects associated with newly born stars are typically characterized by two high Mach number jets ejected in opposite directions. However, HH 110 appears to only have a single jet instead of two. Recently, Kajdi et al. mea…

Quasi-steady-state air plasma channel produced by a femtosecond laser pulse sequence Open

Xin Lu, Shiyou Chen, Jinglong Ma, Lei Hou, Guoqian Liao , et al. · 2015

A long air plasma channel can be formed by filamentation of intense femtosecond laser pulses. However, the lifetime of the plasma channel produced by a single femtosecond laser pulse is too short (only a few nanoseconds) for many potential…

Bursts of Terahertz Radiation from Large-Scale Plasmas Irradiated by Relativistic Picosecond Laser Pulses Open

Guoqian Liao, Yang Li, Chao Li, L. N. Su, Yonghui Zheng , et al. · 2015

Powerful terahertz (THz) radiation is observed from large-scale underdense preplasmas in front of a solid target irradiated obliquely with picosecond relativistic intense laser pulses. The radiation covers an extremely broad spectrum with …

600-T Magnetic Fields due to Cold Electron Flow in a simple Cu-Coil irradiated by High Power Laser pulses Open

Baojun Zhu, Yutong Li, Dawei Yuan, Yan-Fei Li, Fang Li , et al. · 2015

A new simple mechanism due to cold electron flow to produce strong magnetic field is proposed. A 600-T strong magnetic field is generated in the free space at the laser intensity of 5.7x10^15 Wcm^-2. Theoretical analysis indicates that the…

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