supported by the National Natural Science Foundation of China(Nos.62061136013 and 12174445)。
The power scaling on short wavelength(SW)fiber lasers operating around 1μm are in significant demand for applications in energy,environment and industry.The challenge for performance scalability of high-power SW lase...
The publisher apologises that due to a publishing error this article was published into volume 10(2022)rather than volume 11.Unfortunately,we are unable to correct this error and so this article has now been updated t...
supported by the National Key R&D Program of China(Nos.2020YFB1805900 and 2020YFB0408300);the National Natural Science Foundation of China(No.62075226)
High-power continuous-wave single-frequency Er-doped fiber amplifiers at 1560 nm by in-band and core pumping of a 1480 nm Raman fiber laser are investigated in detail.Both co-and counter-pumping configurations are stu...
the National Natural Science Foundation of China(NSFC)(No.61905284);the National Postdoctoral Program for Innovative Talents(No.BX20190063);the Innovation Group of Hunan Province,China(No.2019JJ10005)。
The quantum defect(QD)is an important issue that demands prompt attention in high-power fiber lasers.A large QD may aggravate the thermal load in the laser,which would impact the frequency,amplitude noise and mode sta...
funded by the National Natural Science Foundation of China(NSFC)(61905226);the Youth Talent Climbing Foundation of the Research Center of Laser Fusion。
We present a theoretical study of mode evolution in high-power distributed side-coupled cladding-pumped(DSCCP)fiber amplifiers.A semi-analytical model taking the side-pumping schemes,transverse mode competition,and st...
the Aerospace Science and Technology Fund(No.KM20170269);the National Natural Science Foundation of China(No.11874322).
Considering the thermodynamical fluid mechanics in the gain medium and laser kinetic processes,a three-dimensional theoretical model of an exciplex-pumped Cs vapor laser with longitudinal and transverse gas flow is es...
supported by the National Natural Science Foundation of China(NSFC,No.61975060);the Fundamental Research Funds for the Central University(HUST,No.2016YXMS213)。
We present a 2 μm Tm:YAG disk laser multi-pass pumped by a 1 μm laser. The transitions in competition of up conversion(UC) and excited state absorption(ESA) are analyzed in detail based on a numerical model that con...
supported by the US DOE accelerator stewardship program(grant number DE-SC0018378);US DOD Office of Navy Research(ONR)DURIP(grant number N00014-17-1-2744);National Science Foundation(NSF)(grant number PHY-1707237);Air Force Office of Scientific Research(AFOSR)(grant number FA9550-18-1-0223);Integrated Electronics Engineering Center(IEEC)of Binghamton University;ERDF and the state budget(grant number CZ.02.1.01/0.0/0.0/15006/0000674);MEYS(grant number LO1602,LM2015086)of the Czech Republic;EU Horizon 2020(grant number 739573)。
We present experimental and numerical investigations of high-energy mid-infrared filamentation with multi-octavespanning supercontinuum generation(SCG), pumped by a 2.4 μm, 250 fs Cr:ZnSe chirped-pulse laser amplifie...
Ministry of Science and Technology of the People's Republic of China(MOST)(2016YFB1102402,2017YFB0405202);Key Laboratory of Opto-electronic Information Technology,Ministry of Education(Tianjin University),China(2019KFKT003);Shanghai Science and Technology Achievements Transformation and Industrialization project(18511109800).
A simple,compact,double-pass pumped Nd:YVO4 thin disk laser is demonstrated.Its continuous-wave performance with different Nd doping concentrations and thicknesses is investigated experimentally.The maximum output pow...
supported by the National Key Basic Research Program of China(No.2017YFB0405202);National Natural Science Foundation of China(NSFC)(Nos.61705174 and 11774277);Natural Science Basic Research Plan in Shaanxi Province of China(No.2018JQ6061);Open Research Fund of the State Key Laboratory of Pulsed Power Laser Technology;Electronic Engineering Institute,Hefei,China(No.SKL2017KF04)。
We report on the study of single-mode fiber-laser-pumped mode-locked Yb:CALYO lasers via using a passive saturable absorber and Kerr-lens mode-locking technique,respectively.Up to 3.1-W average power with 103-fs pulse...