Project supported by the National Natural Science Foundation of China(Grant No.62275133);the Natural Science Foundation of Zhejiang Province of China(Grant No.LY22E020002);the Natural Science Foundation of Ningbo(Grant Nos.2021J077 and 202003N4099);K.C.Wong Magna Fund in Ningbo University
By using an improved Bridgman method,0.3 mol%Tm^(3+)/0.6 mol%Tb^(3+)/y mol%Eu^(3+)(y=0,0.4,0.6,0.8)doped Na_(5)Y_(9)F_(32)single crystals were prepared.The x-ray diffraction,excitation spectra,emission spectra and flu...
This work was financially supported by the National Natural Science Foundation of China(No.51775540);the Youth Innovation Promotion Association,CAS(No.2017338);the Nature Science Foundation of Zhejiang(No.LQ19E030007);the Natural Science Foundation of Ningbo(No.2018A610114).
Given that graphene features high electrical conductivity,it is a kind of material with corrosion-promotion activity.This study aimed to inhibit the corrosion-promotion activity of graphene in coatings.Here,we report ...
Project supported by the Young Scientists Fund of the National Natural Science Foundation of China(Grant No.61605095);the Natural Science Foundation of Zhejiang Province,China(Grant No.LY19F050004);the Natural Science Foundation of Ningbo City(Grant No.2015A610038);the Open Fund of the Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices(South China University of Technology)(Grant No.2016-4);the K C Wong Magna Fund at Ningbo University
We report on a chalcogenide glass fiber doped with Pr^(3+) that can be used for commercialized 1.5-μm and 2-μm laser excitations by emitting broadband 3 μm–5.5 μm fluorescence, which is extruded into a preform an...
Project supported by the National Natural Science Foundation of China(Grant Nos.61177087 and 61435009);the National Key Basic Research Program of China(Grant No.2012CB722703);the Program for Innovative Research Team of Ningbo City,China(Grant No.2009B21007);the K.C.Wong Magna Fund in Ningbo University,the Open Fund of the State Key Laboratory of Luminescent Materials and Devices(South China University of Technology),China(Grant No.2014-skllmd-01);the Natural Science Foundation of Ningbo City,China(Grant No.2014A610125)
We report the applications of a low-cost and environmentally friendly chalcogenide glass, 75GeS2-15Ga2S3-10CsI, in building active microsphere laser oscillators. A silica fiber taper is used as the coupling mechanism....
supported by the National Natural Science Foundation of China(Nos.51272109 and 11374044);the Natural Science Foundation of Ningbo city(No.201401A6105016);K.C.Wong Magna Fund in Ningbo University
Lithium lutetium fluoride(LiLuF4) single crystals doped with different Dy3+ ion concentrations were grown by Bridgman method. The Judd-Ofelt(J-O) strength parameters(Ω2, Ω4, Ω6) of Dy3+ in LiLuF4 crystal are calcul...
supported by the National Natural Science Foundation of China(Nos.51272109 and 50972061);the Natural Science Foundation of Zhejiang Province(No.R4100364);the Natural Science Foundation of Ningbo City(No.2012A610115);the K.C.Wong Magna Fund in Ningbo University
Mid-infrared(MIR) emissions of 2.4 and 3.5 μm from Tm3+:LiYF4 single crystals attributed to3H4 →3H5 and3H5 →3F4 transitions as well as MIR emissions of 4.2,4.3,and 4.5 μm from Nd3+:LiYF4 lasers attributed to...
supported by the National Natural Science Foundation of China (Nos. 51272109 and 50972061);the Natural Science Foundation of Zhejiang Province(Nos. R4100364 and Z4110072);the Natural Science Foundation of Ningbo City (No. 2012A610115);the K. C. Wong Magna Fund in Ningbo University
A Dy3+-doped LiYF4 single crystal capable of generating white light by simultaneous blue and yellow light emission of phosphorescent centers is produced. Chromaticity coordinates and photoluminescence intensity vary ...
supported by the National Natural Science Foundation of China(No.61205181);Zhejiang Provincial Natural Science Foundation of China(No.LQ12E02003);the Natural Science Foundation of Ningbo City(No.2012A610122);the Scientific Research Fund of Zhejiang Provincial Education Department(No.Y201120457);K.C.Wong Magna Fund in Ningbo University
Bismuth (Bi)-doped materials have attracted a great deal of attention because of their broadband near- infrared (near-IR) emission around the wavelength utilized in telecommunications. In this study, broad near-IR...