OPTICS EXPRESS
LIU YP, DAI YY, FENG QC, SHAN YW, DU L, XIA YY, LU G, LIU F, DU GQ, TIAN CS, WU SW, SHI L, ZI J
JOURNAL OF APPLIED PHYSICS
SI C, LU G, CAO BY, WANG XD, FAN Z, FENG ZH