supported by the National Natural Science Foundation of China(No.12122514);Zhangjiang Laboratory,Project for Young Scientists in Basic Research of the Chinese Academy of Sciences(No.YSBR-091);the Strategy Priority Research Program of the Chinese Academy of Sciences(No.XDB0530300)。
X-ray frequency combs(XFCs)are of great interest in many scientific research areas.In this study,we investigate the generation of high-power tunable XFCs at the Shanghai soft X-ray Free-Electron Laser facility(SXFEL)....
supported by NSF-BSF(Grant No.1803874/2017635);US-Israel Binational Science Foundation(Grant No.2020233)。
The generation and control of large amplitude plasma gratings and other plasma structures is of paramount importance for the realization of plasma photonics. Autoresonant excitation of such structures by means of chir...
This work was supported in part by the National Natural Science Foundation of China(No.61505113);Natural Science Foundation of Guangdong Province(No.2020A1515010541);Science and Technology Project of Shenzhen(Nos.JCYJ20180305124930169,JCYJ20190808143419622 and ZDSYS201707271014468).
Dual-chirped difference frequency generation(DFG)is an advantageous technique for generating the broadband midinfrared(IR)idler wave,which is inaccessible by a population-inversion-based laser system.In principle,the ...
supported by the National Key Research and Development Program of China(No.2017YFB1104400)
Suppression of stimulated Raman scattering(SRS)by means of chirped and tilted fiber Bragg gratings(CTFBGs)has become a key topic.However,research on high-power systems is still lacking due to two problems.Firstly,afte...
supported by the Department of Energy;National Nuclear Security Administration under Award Number DE-NA0001944;the University of Rochester;the New York State Energy Research and Development Authority;sponsored by an agency of the U.S.Government
Optical parametric chirped-pulse amplification(OPCPA) [Dubietis et al., Opt. Commun. 88, 437(1992)] implemented by multikilojoule Nd:glass pump lasers is a promising approach to produce ultraintense pulses(>1023 W/cm2...
supported by the National Natural Science Foundation of China(No.11274385)
The average power of diode-pumped fiber lasers has been developed deeply into the kW regime in the past years.However, stimulated Raman scattering(SRS) is still a major factor limiting the further power scaling. Here,...
supported by the National Natural Science Foundation of China(NSFC)(Nos.11304332,11704392,and 61705245)
We present the design and experiment of a broadband optical parametric chirped-pulse amplifier(OPCPA) which provides high conversion efficiency and good beam quality at 808 nm wavelength. Using a three-dimensional spa...
partly supported by the Consortium for Photon Science and Technology programmed by MEXT of Japan;JSPS KAKENHI(Grant No.26288013);the Joint Usage/Research Program on Zero-Emission Energy Research,Institute of Advanced Energy,Kyoto University(Grant No.ZE26B-27)
We demonstrate that the methodology of frequency-resolved optical gating(FROG) is applicable to time-resolved reflection spectroscopy of a plasma mirror in the vacuum-ultraviolet(VUV) region. Our recent study [R. Itak...
supported by the National High-Tech Committee of China;the National Nature Science Foundation of China
The dispersion of a pair of prisms is analyzed by means of a ray-tracing method operating at other than tip-to-tip propagation of the prisms, taking into consideration the limited spectral bandwidth. The variations of...
partially supported by the National Basic Research Program of China (Grant No. 2011CB808101);the National Natural Science Foundation of China (NSFC) (Grant Nos. 61221064, 61078037, 11127901, 11134010);the International S&T Cooperation Program of China (Grant No. 2011DFA11300)
We develop a splicing technology of Ti:sapphire crystals for a high-energy chirped pulse amplifier laser system that can suppress the parasitic lasing to improve the amplification efficiency compared to a large-size s...