[1] ZENTENO L.High-power double-clad fiber lasers[J].Journal of Lightwave Technology,1993,11(9):1435~1446.
[2] DOMINIC V,MacCORMACK S,WAARTS R et al.110W fibre laser[J].Electron Lett,1999,35(14):1158~1160.
[3] BEDO S,LUTHY W,WEBER H P.The effective absorption coefficient in double-clad fibres[J].Opt Commun,1993,99:331~335.
[4] LIU A,UEDA K.The absorption characteristics of circular,offset,and rectangular double-clad fibers[J].Opt Commun,1996,132:511~518.
[5] DOYA V,LEGRAND O,MORTESSAGNE F.Optimized absorption in a chaotic double-clad amplifier[J].Opt Lett,2001,26(10):872~874.
[6] 吴彝尊,蒋佩璇,李铃 et al.光纤通信基础[M].北京:人民邮电出版社,1987.54~55.