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[期刊论文] 作者：Pramod R.Watekar,M.L.N.Goswami,
来源：黑龙江科技学院学报 年份：2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：PramodR.Watekar,M.L.N.Goswami,H.N.Acharya,J.C.Biswas,B.P.Pal,
来源：ChineseOpticsLetters 年份：2004
The Er-doped concentric-cores dispersion compensating fiber (EDDCF) has been demonstrated. The rare earth has been doped as a ring around the inner core. We have obtained 14-dB gain at 1550 nm (using 100-mW pump power and 980-nm wavelength)......
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