supported by the National Natural Science Foundation of China(No.11774427)。
Photoelectron spectroscopy is a powerful tool in characterizing the electronic structure of materials.To investigate the specific region of interest with high probing efficiency,in this work we propose a compact in si...
supported by the National Natural Science Foundation of China(No.12075306);the Natural Science Foundation of Shanghai(No.22ZR1470900);the Key Research Programs in Frontier Science(No.ZDBSLY-SLH006);the China Postdoctoral Science Foundation(No.2021M703328)。
The plasma mirror system was installed on the 1 PW laser beamline of Shanghai Superintense Ultrafast Laser Facility[SULF]for enhancing the temporal contrast of the laser pulse.About 2 orders of magnitude improvement o...
supported by the National Natural Science Foundation of China(NSFC)(No.11875203)。
In this paper,a simple theoretical model combining Monte Carlo simulation with the enthalpy method is provided to simulate the damage resistance of B4C/Si-sub mirror under X-ray free-electron laser irradiation.Two dif...
supported by the National Natural Science Foundation of China (NSFC) (Nos. 61975136, 61935014, 61775146, and 61905151);Guangdong Basic and Applied Basic Research Foundation (No. 2019A1515010699);Shenzhen Science and Technology Project (Nos. JCYJ20160520161351540, JCYJ20170817100639177,JCYJ20170302151146995, JCYJ20180305125352956,JCYJ20160328144942069,and JCYJ20190808141011530);State Key Laboratory of Information Photonics and Optical Communications (No. IPOC2019ZZ01);State Key Laboratory of Pulsed Power Laser Technology (No. SKL2018KF04)
We report on a mid-infrared fiber laser that uses a single-walled carbon nanotube saturable absorber mirror to realize the mode-locking operation.The laser generates 3.5 μm ultra-short pulses from an erbium-doped flu...
supported by the Science Foundation for the Youth Scholars of Minjiang University (No. Mj9n201602);the National Science and Technology Major Project of the Ministry of Science and Technology of China。
We demonstrate a configuration optimization process of an off-axis parabolic mirror to maximize the focused peak intensity based on a precise knowledge of the tight focusing properties by using a full vector-diffracti...
the National Natural Science Foundation of China (NSFC)(Nos. 91950207,61675171,and 61675169);Fundamental Research Funds for the Central Universities of China (Nos. 3102017-HQZZ022 and 3102017zy021)。
A polarization-insensitive plasmonic absorber is designed consisting of Au fishnet structures on a TiO2 spacer/Ag mirror. The fishnet structures excite localized surface plasmon and generate hot electrons from the abs...
supported by the National Natural Science Foundation of China(Nos.61605202 and 6180031521);Key Project of Chinese National Programs for Fundamental Research and Development(No.2016YFB0500100);Equipment Pre-research Project(No.30502010501HT01);Civil Space Pre-research Program(No.D040101)
We implemented a stitching swing arm profilometer(SSAP) test for the inner and outer regions of a large aspheric surface with a short arm. The SSAP was more capable of improving sampling density of surface and was les...
supported by the National Natural Science Foundation of China(Nos.61575004,61735001,and 61761136002);the International Cooperation Program(No.2013DFG12750)
We demonstrate a strain compensated long lifetime semiconductor saturable absorber mirror(SESAM) with a high modulation depth for fiber lasers.The SESAM was measured to have a damage threshold of 9.5 m J/cm^2, a modul...
A high-beam-quality diode-pumped neodymium-doped yttrium aluminum garnet(Nd:YAG) active mirror laser amplifier was demonstrated. The size of the Nd:YAG crystal was 48 mm × 42 mm × 11 mm with 0.6 at.% Nd doped. When ...
supported by the National Basic Research Program of China(No.2013CBA01502);the National Natural Science Foundation of China(Nos.11721091,11205100,and 11305103);the National Key Scientific Instrument Development Project(No.2012YQ030142)
The temporal profiles of high-power short-pulse lasers reflected from self-induced plasma mirrors(PMs)were measured with high temporal resolution in the sub-picosecond window.The leading front shape of the laser pulse...